christopher/oeis · Datasets at Hugging Face

sequence_id stringlengths 7 7	sequence_name stringlengths 4 573	sequence listlengths 1 348	keywords listlengths 1 8	score int64 1 2.35k	offset_a int64 -14,827 666,262,453B	offset_b int64 0 635M ⌀	cross_references listlengths 1 128 ⌀	former_ids listlengths 1 3 ⌀	author stringlengths 7 231 ⌀	timestamp timestamp[us]date 1999-12-11 03:00:00 2025-07-19 00:40:46	filename stringlengths 29 29	hash stringlengths 32 32
A013701	Degree of variety K_{2,n}^4.	[ "1", "512", "75025", "7174454", "562110290", "39541748736", "2610763825782", "165745451110910", "10262482704258873", "625250747214775916", "37701606156514031251", "2258713106034310399852", "134810129909509070121060" ]	[ "nonn", "easy" ]	10	1	2	[ "A013698", "A013699", "A013700", "A013701", "A013702" ]	null	Joachim.Rosenthal(AT)nd.edu (Joachim Rosenthal)	2020-08-21T09:12:34	oeisdata/seq/A013/A013701.seq	1a18af9937109c278fafa23a3903fa73
A013702	Degree of variety K_{2,n}^5.	[ "1", "2048", "832040", "193710244", "34673583028", "5372862566400", "763562937059280", "102703589621825280", "13319075453502743045", "1684658996331320739600", "209381188023138094045641", "25698882980999585848747760" ]	[ "nonn", "easy" ]	10	1	2	[ "A013698", "A013699", "A013700", "A013701", "A013702" ]	null	Joachim.Rosenthal(AT)nd.edu (Joachim Rosenthal)	2020-08-21T09:12:54	oeisdata/seq/A013/A013702.seq	c27a8d37f8e36fbf5d441cd3429b35aa
A013703	Series(W(exp(1)(1+x)), x) = sum( a[ n ]/(2^(2n)*n!), n=0..infinity), where W is the Lambert W function.	[ "1", "2", "-6", "38", "-370", "4874", "-81046", "1628710", "-38393538", "1038795658", "-31730277062", "1080038539942", "-40538501660306", "1663428036271754", "-74080097240364918", "3558651343664651174", "-183423140013051563746", "10097324775041880827402", "-591270189493633774009510" ]	[ "sign" ]	33	0	2	[ "A013703", "A042977" ]	null	Robert Corless (rmc(AT)pineapple.apmaths.uwo.ca)	2024-11-24T14:00:42	oeisdata/seq/A013/A013703.seq	f2fe81c65760f7b00063334007e05144
A013704	Terms in perturbation solution of a heat transfer problem.	[ "2", "12", "44", "100", "203", "344", "558", "824", "1189", "1620", "2176", "2812" ]	[ "nonn", "nice" ]	12	1	1	[ "A013704", "A025495" ]	null	N. J. A. Sloane	2021-12-16T22:39:59	oeisdata/seq/A013/A013704.seq	c433d5434cc92647f83bf37846c9f088
A013705	Decimal expansion of 4*Sum_{k=1..500000} (-1)^(k-1)/(2k-1).	[ "3", "1", "4", "1", "5", "9", "0", "6", "5", "3", "5", "8", "9", "7", "9", "3", "2", "4", "0", "4", "6", "2", "6", "4", "3", "3", "8", "3", "2", "6", "9", "5", "0", "2", "8", "8", "4", "1", "9", "7", "2", "9", "1", "3", "9", "9", "3", "7", "5", "1", "0", "3", "0", "5", "0", "9", "7", "4", "9", "4", "4", "6", "9", "3", "3", "4", "9", "8", "1", "6", "4", "0", "0", "8", "8", "0", "6", "7", "8", "9", "9", "9", "0", "2", "6", "7", "5", "6", "7", "8", "7", "3", "0", "3", "3", "3", "4", "0", "4", "3", "6", "9", "6", "9", "5" ]	[ "cons", "nonn", "easy" ]	34	1	1	[ "A000796", "A013705", "A013706", "A195793", "A216542", "A216543", "A216544", "A216545", "A216546", "A216547", "A216548" ]	null	N. J. A. Sloane	2025-02-03T12:18:18	oeisdata/seq/A013/A013705.seq	75ab8186f128813841cf42cca42e2dbb
A013706	Decimal expansion of 2*Sum_{k=1..50000} (-1)^(k-1)/(2k-1).	[ "1", "5", "7", "0", "7", "8", "6", "3", "2", "6", "7", "9", "4", "8", "9", "7", "6", "1", "9", "2", "3", "1", "3", "2", "1", "1", "9", "1", "6", "3", "9", "7", "5", "2", "0", "5", "2", "0", "9", "8", "5", "8", "3", "3", "1", "4", "6", "8", "7", "5", "5", "7", "9", "6", "2", "5", "8", "7", "4", "4", "5", "2", "6", "8", "5", "0", "4", "1", "0", "7", "5", "6", "4", "1", "2", "2", "1", "6", "5", "3", "4", "8", "1", "2", "3", "5", "6", "6", "2", "0", "9", "0", "5", "5", "0", "9", "7", "3", "5", "2", "6", "8", "8", "4", "3", "6", "3", "2", "7", "4", "2", "5", "0", "9", "3", "7", "0", "4", "8", "2", "5", "0", "6", "1", "9", "3" ]	[ "cons", "nonn", "easy", "nice" ]	37	1	2	[ "A000796", "A013705", "A013706", "A013707", "A195793", "A216542", "A216543", "A216544", "A216545", "A216546", "A216547", "A216548" ]	null	N. J. A. Sloane	2024-04-23T11:21:09	oeisdata/seq/A013/A013706.seq	231e7db3074afa1d05e923edad12f7f3
A013707	Decimal expansion of Sum_{k=1..50000} (-1)^(k+1) / k.	[ "6", "9", "3", "1", "3", "7", "1", "8", "0", "6", "5", "9", "9", "4", "5", "3", "0", "9", "3", "9", "7", "2", "3", "2", "1", "2", "1", "4", "7", "4", "1", "7", "6", "5", "6", "8", "0", "4", "8", "3", "0", "0", "1", "3", "4", "4", "3", "9", "6", "1", "5", "2", "5", "3", "7", "6", "6", "8", "8", "8", "0", "1", "1", "7", "3", "0", "2", "1", "9", "2", "0", "2", "9", "3", "2", "1", "2", "1", "8", "0", "5", "4", "7", "1", "2", "0", "3", "3", "9", "4", "1", "0", "7", "9", "5", "6", "9", "1", "9", "3", "2", "1", "5", "1", "7" ]	[ "cons", "nonn", "easy", "nice" ]	37	0	1	[ "A013705", "A013706", "A013707" ]	null	N. J. A. Sloane	2017-07-27T17:55:49	oeisdata/seq/A013/A013707.seq	c5f0c8523b271e7b05d33b666de437d2
A013708	a(n) = 3^(2*n+1).	[ "3", "27", "243", "2187", "19683", "177147", "1594323", "14348907", "129140163", "1162261467", "10460353203", "94143178827", "847288609443", "7625597484987", "68630377364883", "617673396283947", "5559060566555523", "50031545098999707", "450283905890997363", "4052555153018976267", "36472996377170786403" ]	[ "nonn", "easy" ]	46	0	1	[ "A000244", "A013708" ]	null	N. J. A. Sloane	2024-07-12T10:17:17	oeisdata/seq/A013/A013708.seq	d345bc9aa2d3f84f1946b4f966910858
A013709	a(n) = 4^(2*n+1).	[ "4", "64", "1024", "16384", "262144", "4194304", "67108864", "1073741824", "17179869184", "274877906944", "4398046511104", "70368744177664", "1125899906842624", "18014398509481984", "288230376151711744", "4611686018427387904", "73786976294838206464", "1180591620717411303424", "18889465931478580854784" ]	[ "nonn", "easy" ]	51	0	1	[ "A000302", "A000888", "A001025", "A005408", "A013709", "A016825", "A267844", "A267987" ]	null	N. J. A. Sloane	2024-08-26T14:31:15	oeisdata/seq/A013/A013709.seq	1ac920d061d5013b0e60ed4527d4c2d0
A013710	a(n) = 5^(2*n + 1).	[ "5", "125", "3125", "78125", "1953125", "48828125", "1220703125", "30517578125", "762939453125", "19073486328125", "476837158203125", "11920928955078125", "298023223876953125", "7450580596923828125", "186264514923095703125", "4656612873077392578125", "116415321826934814453125", "2910383045673370361328125" ]	[ "nonn", "easy" ]	31	0	1	[ "A000351", "A005408", "A009969", "A013710" ]	null	N. J. A. Sloane	2024-08-26T15:21:32	oeisdata/seq/A013/A013710.seq	71238a4b1e18a6c7f1737495998c7fdc
A013711	a(n) = 6^(2*n+1).	[ "6", "216", "7776", "279936", "10077696", "362797056", "13060694016", "470184984576", "16926659444736", "609359740010496", "21936950640377856", "789730223053602816", "28430288029929701376", "1023490369077469249536", "36845653286788892983296", "1326443518324400147398656", "47751966659678405306351616" ]	[ "nonn", "easy" ]	26	0	1	[ "A000400", "A004171", "A005408", "A009980", "A013708", "A013711" ]	null	N. J. A. Sloane	2024-08-26T17:36:34	oeisdata/seq/A013/A013711.seq	12c2b100c8f4f4b1ae67863b4b45403d
A013712	a(n) = 7^(2*n + 1).	[ "7", "343", "16807", "823543", "40353607", "1977326743", "96889010407", "4747561509943", "232630513987207", "11398895185373143", "558545864083284007", "27368747340080916343", "1341068619663964900807", "65712362363534280139543", "3219905755813179726837607", "157775382034845806615042743" ]	[ "nonn", "easy" ]	26	0	1	[ "A000420", "A005408", "A013712", "A087752" ]	null	N. J. A. Sloane	2024-08-27T18:02:31	oeisdata/seq/A013/A013712.seq	e4b2929f5be17048a24bdbc6e123d618
A013713	a(n) = 8^(2n+1).	[ "8", "512", "32768", "2097152", "134217728", "8589934592", "549755813888", "35184372088832", "2251799813685248", "144115188075855872", "9223372036854775808", "590295810358705651712", "37778931862957161709568", "2417851639229258349412352" ]	[ "nonn", "easy", "changed" ]	33	0	1	[ "A001018", "A013713", "A013734", "A013735", "A089357" ]	null	N. J. A. Sloane	2025-07-08T02:50:45	oeisdata/seq/A013/A013713.seq	517db5bcd015b7ffdb1db2c9256a9a1c
A013714	a(n) = 9^(2*n + 1).	[ "9", "729", "59049", "4782969", "387420489", "31381059609", "2541865828329", "205891132094649", "16677181699666569", "1350851717672992089", "109418989131512359209", "8862938119652501095929", "717897987691852588770249", "58149737003040059690390169", "4710128697246244834921603689" ]	[ "nonn", "easy" ]	26	0	1	[ "A001019", "A005408", "A013714", "A013778" ]	null	N. J. A. Sloane	2024-08-26T20:18:03	oeisdata/seq/A013/A013714.seq	a2589ebf333db5e7e6364a3e3140f72a
A013715	a(n) = 10^(2*n+1).	[ "10", "1000", "100000", "10000000", "1000000000", "100000000000", "10000000000000", "1000000000000000", "100000000000000000", "10000000000000000000", "1000000000000000000000", "100000000000000000000000", "10000000000000000000000000", "1000000000000000000000000000", "100000000000000000000000000000" ]	[ "nonn", "easy" ]	34	0	1	[ "A005408", "A011557", "A013708", "A013714", "A013715", "A013716", "A013729", "A013747", "A098608" ]	null	N. J. A. Sloane	2024-08-26T16:53:42	oeisdata/seq/A013/A013715.seq	0e47f0a494b288fd5dfa5b92c29ff46f
A013716	a(n) = 11^(2*n + 1).	[ "11", "1331", "161051", "19487171", "2357947691", "285311670611", "34522712143931", "4177248169415651", "505447028499293771", "61159090448414546291", "7400249944258160101211", "895430243255237372246531" ]	[ "nonn", "easy" ]	24	0	1	[ "A001020", "A013708", "A013715", "A013716", "A013717", "A013729" ]	null	N. J. A. Sloane	2024-06-21T16:20:30	oeisdata/seq/A013/A013716.seq	5b4691277e3f27a7a79321157f90d933
A013717	a(n) = 12^(2*n + 1).	[ "12", "1728", "248832", "35831808", "5159780352", "743008370688", "106993205379072", "15407021574586368", "2218611106740436992", "319479999370622926848", "46005119909369701466112", "6624737266949237011120128" ]	[ "nonn", "easy" ]	22	0	1	[ "A001021", "A013708", "A013716", "A013717", "A013718", "A013729" ]	null	N. J. A. Sloane	2022-09-08T08:44:38	oeisdata/seq/A013/A013717.seq	f4dd952275e1ae37de578a9ed320ed03
A013718	a(n) = 13^(2*n + 1).	[ "13", "2197", "371293", "62748517", "10604499373", "1792160394037", "302875106592253", "51185893014090757", "8650415919381337933", "1461920290375446110677", "247064529073450392704413", "41753905413413116367045797" ]	[ "nonn", "easy" ]	22	0	1	[ "A001022", "A013708", "A013717", "A013718", "A013719", "A013729" ]	null	N. J. A. Sloane	2022-09-08T08:44:38	oeisdata/seq/A013/A013718.seq	3eec543ded598d90fd742119ea9818da
A013719	a(n) = 14^(2*n + 1).	[ "14", "2744", "537824", "105413504", "20661046784", "4049565169664", "793714773254144", "155568095557812224", "30491346729331195904", "5976303958948914397184", "1171355575953987221848064", "229585692886981495482220544" ]	[ "nonn", "easy" ]	22	0	1	[ "A001023", "A013708", "A013718", "A013719", "A013720", "A013729" ]	null	N. J. A. Sloane	2022-09-08T08:44:38	oeisdata/seq/A013/A013719.seq	34f1340ce56570e5142a8ffdeb0da27a
A013720	a(n) = 15^(2*n + 1).	[ "15", "3375", "759375", "170859375", "38443359375", "8649755859375", "1946195068359375", "437893890380859375", "98526125335693359375", "22168378200531005859375", "4987885095119476318359375", "1122274146401882171630859375" ]	[ "nonn", "easy" ]	25	0	1	[ "A001024", "A013720" ]	null	N. J. A. Sloane	2022-09-08T08:44:38	oeisdata/seq/A013/A013720.seq	c5c15f817ae45a45f219f74e767a2122
A013721	a(n) = 16^(2*n + 1).	[ "16", "4096", "1048576", "268435456", "68719476736", "17592186044416", "4503599627370496", "1152921504606846976", "295147905179352825856", "75557863725914323419136", "19342813113834066795298816", "4951760157141521099596496896" ]	[ "nonn", "easy" ]	21	0	1	null	null	N. J. A. Sloane	2022-09-08T08:44:38	oeisdata/seq/A013/A013721.seq	3737655d7849f03b3e5a9297766da7a9
A013722	a(n) = 17^(2*n + 1).	[ "17", "4913", "1419857", "410338673", "118587876497", "34271896307633", "9904578032905937", "2862423051509815793", "827240261886336764177", "239072435685151324847153", "69091933913008732880827217" ]	[ "nonn", "easy" ]	28	0	1	[ "A001026", "A013708", "A013721", "A013722", "A013723", "A013729" ]	null	N. J. A. Sloane	2022-09-08T08:44:38	oeisdata/seq/A013/A013722.seq	a29dfae8982f7aad3cc7fdb05b2a4c6e
A013723	a(n) = 18^(2*n + 1).	[ "18", "5832", "1889568", "612220032", "198359290368", "64268410079232", "20822964865671168", "6746640616477458432", "2185911559738696531968", "708235345355337676357632", "229468251895129407139872768" ]	[ "nonn", "easy" ]	24	0	1	[ "A001027", "A013708", "A013722", "A013723", "A013724", "A013729" ]	null	N. J. A. Sloane	2022-09-08T08:44:38	oeisdata/seq/A013/A013723.seq	8b2ba730f6a002479ac82b4a1f304a61
A013724	a(n) = 19^(2*n + 1).	[ "19", "6859", "2476099", "893871739", "322687697779", "116490258898219", "42052983462257059", "15181127029874798299", "5480386857784802185939", "1978419655660313589123979", "714209495693373205673756419" ]	[ "nonn", "easy" ]	24	0	1	[ "A001029", "A013708", "A013723", "A013724", "A013725", "A013729" ]	null	N. J. A. Sloane	2022-09-08T08:44:38	oeisdata/seq/A013/A013724.seq	f693f36f2b641cdb3fc63b50246658d6
A013725	a(n) = 20^(2*n + 1).	[ "20", "8000", "3200000", "1280000000", "512000000000", "204800000000000", "81920000000000000", "32768000000000000000", "13107200000000000000000", "5242880000000000000000000", "2097152000000000000000000000", "838860800000000000000000000000", "335544320000000000000000000000000" ]	[ "nonn", "easy", "changed" ]	32	0	1	[ "A004171", "A005408", "A009964", "A013708", "A013724", "A013725", "A013726", "A013729" ]	null	N. J. A. Sloane	2025-07-12T16:09:38	oeisdata/seq/A013/A013725.seq	50a34d8579fcc9bfbb128965c51bab34
A013726	a(n) = 21^(2*n + 1).	[ "21", "9261", "4084101", "1801088541", "794280046581", "350277500542221", "154472377739119461", "68122318582951682301", "30041942495081691894741", "13248496640331026125580781", "5842587018385982521381124421", "2576580875108218291929075869661", "1136272165922724266740722458520501" ]	[ "nonn", "easy", "changed" ]	30	0	1	[ "A005408", "A009965", "A013708", "A013725", "A013726", "A013727", "A013729" ]	null	N. J. A. Sloane	2025-07-11T10:13:40	oeisdata/seq/A013/A013726.seq	a1611db293208895e9206b636b00bd08
A013727	a(n) = 22^(2*n + 1).	[ "22", "10648", "5153632", "2494357888", "1207269217792", "584318301411328", "282810057883082752", "136880068015412051968", "66249952919459433152512", "32064977213018365645815808", "15519448971100888972574851072", "7511413302012830262726227918848", "3635524038174209847159494312722432" ]	[ "nonn", "easy", "changed" ]	31	0	1	[ "A004171", "A005408", "A009966", "A013708", "A013726", "A013727", "A013728", "A013729" ]	null	N. J. A. Sloane	2025-07-12T08:38:57	oeisdata/seq/A013/A013727.seq	50ed5841e15457d6339e3077f6cf6393
A013728	a(n) = 23^(2*n + 1).	[ "23", "12167", "6436343", "3404825447", "1801152661463", "952809757913927", "504036361936467383", "266635235464391245607", "141050039560662968926103", "74615470927590710561908487", "39471584120695485887249589623" ]	[ "nonn", "easy" ]	24	0	1	[ "A013708", "A013727", "A013728", "A013729" ]	null	N. J. A. Sloane	2022-09-08T08:44:38	oeisdata/seq/A013/A013728.seq	b0067de45d6e6e79c310b5883649a52f
A013729	a(n) = 24^(2*n + 1).	[ "24", "13824", "7962624", "4586471424", "2641807540224", "1521681143169024", "876488338465357824", "504857282956046106624", "290797794982682557415424", "167499529910025153071284224", "96479729228174488169059713024" ]	[ "nonn", "easy" ]	26	0	1	[ "A013708", "A013728", "A013729" ]	null	N. J. A. Sloane	2024-02-21T08:23:13	oeisdata/seq/A013/A013729.seq	e3758d48b151f3a2306ec0011f80e141
A013730	a(n) = 2^(3*n+1).	[ "2", "16", "128", "1024", "8192", "65536", "524288", "4194304", "33554432", "268435456", "2147483648", "17179869184", "137438953472", "1099511627776", "8796093022208", "70368744177664", "562949953421312", "4503599627370496", "36028797018963968", "288230376151711744", "2305843009213693952", "18446744073709551616" ]	[ "nonn", "easy" ]	53	0	1	[ "A013730", "A013731", "A016921", "A016933", "A132024", "A157176" ]	null	N. J. A. Sloane	2024-11-03T12:24:44	oeisdata/seq/A013/A013730.seq	4810caf3caec6c554983a3b245b85b0a
A013731	a(n) = 2^(3*n+2).	[ "4", "32", "256", "2048", "16384", "131072", "1048576", "8388608", "67108864", "536870912", "4294967296", "34359738368", "274877906944", "2199023255552", "17592186044416", "140737488355328", "1125899906842624", "9007199254740992", "72057594037927936", "576460752303423488", "4611686018427387904" ]	[ "nonn", "easy" ]	56	0	1	[ "A001018", "A013730", "A013731", "A092811", "A198852" ]	null	N. J. A. Sloane	2025-02-16T08:32:32	oeisdata/seq/A013/A013731.seq	57fa81169da713b9aa59544274bfa208
A013732	a(n) = 3^(3*n + 1).	[ "3", "81", "2187", "59049", "1594323", "43046721", "1162261467", "31381059609", "847288609443", "22876792454961", "617673396283947", "16677181699666569", "450283905890997363", "12157665459056928801", "328256967394537077627", "8862938119652501095929" ]	[ "nonn", "easy" ]	24	0	1	[ "A013730", "A013732", "A013733", "A013734" ]	null	N. J. A. Sloane	2022-09-08T08:44:38	oeisdata/seq/A013/A013732.seq	f1321f22f8ce1e8dcce3c932195e9558
A013733	a(n) = 3^(3n+2).	[ "9", "243", "6561", "177147", "4782969", "129140163", "3486784401", "94143178827", "2541865828329", "68630377364883", "1853020188851841", "50031545098999707", "1350851717672992089", "36472996377170786403", "984770902183611232881", "26588814358957503287787" ]	[ "nonn", "easy" ]	35	0	1	[ "A013731", "A013732", "A013733", "A013735", "A013737" ]	null	N. J. A. Sloane	2022-09-08T08:44:38	oeisdata/seq/A013/A013733.seq	f42aee9900909d9eaf0fe40325af31c7
A013734	a(n) = 4^(3*n+1).	[ "4", "256", "16384", "1048576", "67108864", "4294967296", "274877906944", "17592186044416", "1125899906842624", "72057594037927936", "4611686018427387904", "295147905179352825856", "18889465931478580854784", "1208925819614629174706176" ]	[ "nonn", "easy", "changed" ]	41	0	1	[ "A013734", "A013735" ]	null	N. J. A. Sloane	2025-07-08T02:50:52	oeisdata/seq/A013/A013734.seq	394619fd19a6af0be1412425fb11e60f
A013735	a(n) = 4^(3*n+2).	[ "16", "1024", "65536", "4194304", "268435456", "17179869184", "1099511627776", "70368744177664", "4503599627370496", "288230376151711744", "18446744073709551616", "1180591620717411303424", "75557863725914323419136", "4835703278458516698824704" ]	[ "nonn", "easy" ]	37	0	1	[ "A013713", "A013734", "A013735", "A089357" ]	null	N. J. A. Sloane	2022-09-08T08:44:38	oeisdata/seq/A013/A013735.seq	bfe8ee368f734974b8be64e9ebc8b71c
A013736	a(n) = 5^(3*n + 1).	[ "5", "625", "78125", "9765625", "1220703125", "152587890625", "19073486328125", "2384185791015625", "298023223876953125", "37252902984619140625", "4656612873077392578125", "582076609134674072265625", "72759576141834259033203125" ]	[ "nonn", "easy" ]	29	0	1	[ "A013736", "A013737" ]	null	N. J. A. Sloane	2022-09-08T08:44:38	oeisdata/seq/A013/A013736.seq	4162602fdf8fd644bc20bd6f02697e01
A013737	a(n) = 5^(3*n + 2).	[ "25", "3125", "390625", "48828125", "6103515625", "762939453125", "95367431640625", "11920928955078125", "1490116119384765625", "186264514923095703125", "23283064365386962890625", "2910383045673370361328125", "363797880709171295166015625", "45474735088646411895751953125", "5684341886080801486968994140625" ]	[ "nonn", "easy", "changed" ]	27	0	1	[ "A000351", "A013736", "A013737", "A016789" ]	null	N. J. A. Sloane	2025-07-08T07:51:03	oeisdata/seq/A013/A013737.seq	1da49e1393531d79497f5a51359206b0
A013738	a(n) = 6^(3*n + 1).	[ "6", "1296", "279936", "60466176", "13060694016", "2821109907456", "609359740010496", "131621703842267136", "28430288029929701376", "6140942214464815497216", "1326443518324400147398656", "286511799958070431838109696" ]	[ "nonn", "easy" ]	25	0	1	[ "A013738", "A013739" ]	null	N. J. A. Sloane	2022-09-08T08:44:38	oeisdata/seq/A013/A013738.seq	fda8359952b265c4e4b00e3a68d1ee8f
A013739	a(n) = 6^(3*n + 2).	[ "36", "7776", "1679616", "362797056", "78364164096", "16926659444736", "3656158440062976", "789730223053602816", "170581728179578208256", "36845653286788892983296", "7958661109946400884391936", "1719070799748422591028658176" ]	[ "nonn", "easy" ]	24	0	1	[ "A013738", "A013739" ]	null	N. J. A. Sloane	2022-09-08T08:44:38	oeisdata/seq/A013/A013739.seq	7638ec1a971769ca12f999b02ce6b21a
A013740	a(n) = 7^(3*n + 1).	[ "7", "2401", "823543", "282475249", "96889010407", "33232930569601", "11398895185373143", "3909821048582988049", "1341068619663964900807", "459986536544739960976801", "157775382034845806615042743", "54116956037952111668959660849" ]	[ "nonn", "easy" ]	25	0	1	[ "A013740", "A013741" ]	null	N. J. A. Sloane	2022-09-08T08:44:38	oeisdata/seq/A013/A013740.seq	b908001daa3632387c0fe84b3cdae0cc
A013741	a(n) = 7^(3*n + 2).	[ "49", "16807", "5764801", "1977326743", "678223072849", "232630513987207", "79792266297612001", "27368747340080916343", "9387480337647754305649", "3219905755813179726837607", "1104427674243920646305299201", "378818692265664781682717625943" ]	[ "nonn", "easy" ]	24	0	1	[ "A013740", "A013741" ]	null	N. J. A. Sloane	2022-09-08T08:44:38	oeisdata/seq/A013/A013741.seq	ceca9f5b56d1a1ed7ddab61d5c35fa39
A013742	a(n) = 8^(3*n + 1).	[ "8", "4096", "2097152", "1073741824", "549755813888", "281474976710656", "144115188075855872", "73786976294838206464", "37778931862957161709568", "19342813113834066795298816", "9903520314283042199192993792", "5070602400912917605986812821504" ]	[ "nonn", "easy" ]	22	0	1	[ "A013742", "A013743" ]	null	N. J. A. Sloane	2022-09-08T08:44:38	oeisdata/seq/A013/A013742.seq	cf02f96124fb5205eb3cea003275b2da
A013743	a(n) = 8^(3*n + 2).	[ "64", "32768", "16777216", "8589934592", "4398046511104", "2251799813685248", "1152921504606846976", "590295810358705651712", "302231454903657293676544", "154742504910672534362390528", "79228162514264337593543950336", "40564819207303340847894502572032" ]	[ "nonn", "easy" ]	24	0	1	[ "A013742", "A013743" ]	null	N. J. A. Sloane	2022-09-08T08:44:38	oeisdata/seq/A013/A013743.seq	cefb852424637f5717e573269c73ef71
A013744	a(n) = 9^(3*n + 1).	[ "9", "6561", "4782969", "3486784401", "2541865828329", "1853020188851841", "1350851717672992089", "984770902183611232881", "717897987691852588770249", "523347633027360537213511521", "381520424476945831628649898809" ]	[ "nonn", "easy" ]	23	0	1	[ "A001019", "A013744" ]	null	N. J. A. Sloane	2022-09-08T08:44:38	oeisdata/seq/A013/A013744.seq	43e6e5d14c8b4ee68e14a0bd9acaef77
A013745	a(n) = 9^(3*n + 2).	[ "81", "59049", "43046721", "31381059609", "22876792454961", "16677181699666569", "12157665459056928801", "8862938119652501095929", "6461081889226673298932241", "4710128697246244834921603689", "3433683820292512484657849089281" ]	[ "nonn", "easy" ]	24	0	1	[ "A001019", "A013745" ]	null	N. J. A. Sloane	2022-09-08T08:44:38	oeisdata/seq/A013/A013745.seq	d3255e1050a2debfdd8fc3bf97d39909
A013746	a(n) = 10^(3*n + 1).	[ "10", "10000", "10000000", "10000000000", "10000000000000", "10000000000000000", "10000000000000000000", "10000000000000000000000", "10000000000000000000000000", "10000000000000000000000000000", "10000000000000000000000000000000", "10000000000000000000000000000000000" ]	[ "nonn", "easy", "changed" ]	27	0	1	[ "A011557", "A013730", "A013736", "A013746", "A013747", "A016777" ]	null	N. J. A. Sloane	2025-07-08T10:00:39	oeisdata/seq/A013/A013746.seq	006cb93c1a3e3ee65baaedaac827e31a
A013747	a(n) = 10^(3*n + 2).	[ "100", "100000", "100000000", "100000000000", "100000000000000", "100000000000000000", "100000000000000000000", "100000000000000000000000", "100000000000000000000000000", "100000000000000000000000000000", "100000000000000000000000000000000", "100000000000000000000000000000000000" ]	[ "nonn", "easy", "changed" ]	25	0	1	[ "A011557", "A013731", "A013737", "A013746", "A013747", "A016789" ]	null	N. J. A. Sloane	2025-07-08T10:01:14	oeisdata/seq/A013/A013747.seq	5019dbb80c1a51635374cb1552b2bdd8
A013748	a(n) = 11^(3*n + 1).	[ "11", "14641", "19487171", "25937424601", "34522712143931", "45949729863572161", "61159090448414546291", "81402749386839761113321", "108347059433883722041830251", "144209936106499234037676064081", "191943424957750480504146841291811" ]	[ "nonn", "easy" ]	22	0	1	[ "A013748", "A013749" ]	null	N. J. A. Sloane	2022-09-08T08:44:38	oeisdata/seq/A013/A013748.seq	197106f550252cae174a5eab4f2fb239
A013749	a(n) = 11^(3*n + 2).	[ "121", "161051", "214358881", "285311670611", "379749833583241", "505447028499293771", "672749994932560009201", "895430243255237372246531", "1191817653772720942460132761", "1586309297171491574414436704891", "2111377674535255285545615254209921" ]	[ "nonn", "easy" ]	24	0	1	[ "A013748", "A013749" ]	null	N. J. A. Sloane	2022-09-08T08:44:38	oeisdata/seq/A013/A013749.seq	c0bccd93a95fe363e8ca7b836fd8de81
A013750	a(n) = 12^(3*n + 1).	[ "12", "20736", "35831808", "61917364224", "106993205379072", "184884258895036416", "319479999370622926848", "552061438912436417593344", "953962166440690129601298432", "1648446623609512543951043690496" ]	[ "nonn", "easy" ]	25	0	1	[ "A001021", "A013750" ]	null	N. J. A. Sloane	2022-09-08T08:44:38	oeisdata/seq/A013/A013750.seq	619c0af6e83fec42946339881094903a
A013751	a(n) = 12^(3*n + 2).	[ "144", "248832", "429981696", "743008370688", "1283918464548864", "2218611106740436992", "3833759992447475122176", "6624737266949237011120128", "11447545997288281555215581184" ]	[ "nonn", "easy" ]	25	0	1	[ "A001021", "A013751" ]	null	N. J. A. Sloane	2022-09-08T08:44:38	oeisdata/seq/A013/A013751.seq	81476e3afc77d101d4c15173f7860727
A013752	a(n) = 13^(3*n + 1).	[ "13", "28561", "62748517", "137858491849", "302875106592253", "665416609183179841", "1461920290375446110677", "3211838877954855105157369", "7056410014866816666030739693", "15502932802662396215269535105521", "34059943367449284484947168626829637", "74829695578286078013428929473144712489" ]	[ "nonn", "easy" ]	42	0	1	[ "A001022", "A013752", "A013753" ]	null	N. J. A. Sloane	2024-08-30T14:31:17	oeisdata/seq/A013/A013752.seq	156d9d6e8f88ed00482a54f0dbd9bd13
A013753	a(n) = 13^(3*n + 2).	[ "169", "371293", "815730721", "1792160394037", "3937376385699289", "8650415919381337933", "19004963774880799438801", "41753905413413116367045797", "91733330193268616658399616009", "201538126434611150798503956371773", "442779263776840698304313192148785281", "972786042517719014174576083150881262357" ]	[ "nonn", "easy" ]	29	0	1	[ "A001022", "A013753" ]	null	N. J. A. Sloane	2022-09-08T08:44:38	oeisdata/seq/A013/A013753.seq	5bf6a3c3d448e5b4f81f98cb9d8be697
A013754	a(n) = 14^(3*n + 1).	[ "14", "38416", "105413504", "289254654976", "793714773254144", "2177953337809371136", "5976303958948914397184", "16398978063355821105872896", "44998795805848373114515226624", "123476695691247935826229781856256", "338820052976784335907174521413566464", "929722225368296217729286886758826377216" ]	[ "nonn", "easy" ]	27	0	1	[ "A001023", "A013754" ]	null	N. J. A. Sloane	2022-09-08T08:44:38	oeisdata/seq/A013/A013754.seq	c9cc6a2da82ea48e48573ac46b5fefc6
A013755	a(n) = 14^(3*n + 2).	[ "196", "537824", "1475789056", "4049565169664", "11112006825558016", "30491346729331195904", "83668255425284801560576", "229585692886981495482220544", "629983141281877223603213172736", "1728673739677471101567216945987584", "4743480741674980702700443299789930496" ]	[ "nonn", "easy" ]	27	0	1	[ "A001023", "A013755" ]	null	N. J. A. Sloane	2022-09-08T08:44:38	oeisdata/seq/A013/A013755.seq	ce52501cfc2b52bb46d17a08ba6dac01
A013756	a(n) = 15^(3*n + 1).	[ "15", "50625", "170859375", "576650390625", "1946195068359375", "6568408355712890625", "22168378200531005859375", "74818276426792144775390625", "252511682940423488616943359375", "852226929923929274082183837890625", "2876265888493261300027370452880859375" ]	[ "nonn", "easy" ]	24	0	1	[ "A001024", "A013756" ]	null	N. J. A. Sloane	2023-09-06T14:34:07	oeisdata/seq/A013/A013756.seq	89a98d241acca586ed595951add1f4f2
A013757	a(n) = 15^(3*n + 2).	[ "225", "759375", "2562890625", "8649755859375", "29192926025390625", "98526125335693359375", "332525673007965087890625", "1122274146401882171630859375", "3787675244106352329254150390625", "12783403948858939111232757568359375" ]	[ "nonn", "easy" ]	30	0	1	[ "A001024", "A013757" ]	null	N. J. A. Sloane	2022-09-08T08:44:38	oeisdata/seq/A013/A013757.seq	9117f66d98771204625240fc65d39b42
A013758	a(n) = 16^(3n+1).	[ "16", "65536", "268435456", "1099511627776", "4503599627370496", "18446744073709551616", "75557863725914323419136", "309485009821345068724781056", "1267650600228229401496703205376", "5192296858534827628530496329220096" ]	[ "nonn", "easy" ]	32	0	1	[ "A013758", "A013788" ]	null	N. J. A. Sloane	2022-09-08T08:44:38	oeisdata/seq/A013/A013758.seq	76f511f1856dcc5939e1ef2895b90887
A013759	a(n) = 16^(3n + 2).	[ "256", "1048576", "4294967296", "17592186044416", "72057594037927936", "295147905179352825856", "1208925819614629174706176", "4951760157141521099596496896" ]	[ "nonn", "easy" ]	21	0	1	null	null	N. J. A. Sloane	2023-12-04T13:48:58	oeisdata/seq/A013/A013759.seq	ca6353d1cf502b5ea293c9101cc694e7
A013760	a(n) = 17^(3*n + 1).	[ "17", "83521", "410338673", "2015993900449", "9904578032905937", "48661191875666868481", "239072435685151324847153", "1174562876521148458974062689" ]	[ "nonn", "easy" ]	23	0	1	null	null	N. J. A. Sloane	2022-09-08T08:44:38	oeisdata/seq/A013/A013760.seq	ed1af20d944d13f670e3ab9d3b7b964c
A013761	a(n) = 17^(3*n + 2).	[ "289", "1419857", "6975757441", "34271896307633", "168377826559400929", "827240261886336764177", "4064231406647572522401601", "19967568900859523802559065713", "98100666009922840441972689847969", "481968572106750915091411825223071697" ]	[ "nonn", "easy" ]	19	0	1	null	null	N. J. A. Sloane	2022-09-08T08:44:38	oeisdata/seq/A013/A013761.seq	baa84d46a045bcb743ca045a94cd1da1
A013762	a(n) = 18^(3*n + 1).	[ "18", "104976", "612220032", "3570467226624", "20822964865671168", "121439531096594251776", "708235345355337676357632", "4130428534112329328517709824", "24088659210943104643915283693568" ]	[ "nonn", "easy" ]	20	0	1	null	null	N. J. A. Sloane	2022-09-08T08:44:38	oeisdata/seq/A013/A013762.seq	bbe21df8f99f492778cae17b8bc51caa
A013763	a(n) = 18^(3*n + 2).	[ "324", "1889568", "11019960576", "64268410079232", "374813367582081024", "2185911559738696531968", "12748236216396078174437376", "74347713614021927913318776832", "433595865796975883590475106484224" ]	[ "nonn", "easy" ]	24	0	1	null	null	N. J. A. Sloane	2023-03-01T09:02:34	oeisdata/seq/A013/A013763.seq	0dcfe9e92da3e4fc4fea418e63f7af89
A013764	a(n) = 19^(3*n + 1).	[ "19", "130321", "893871739", "6131066257801", "42052983462257059", "288441413567621167681", "1978419655660313589123979", "13569980418174090907801371961", "93076495688256089536609610280499" ]	[ "nonn", "easy" ]	20	0	1	null	null	N. J. A. Sloane	2022-09-08T08:44:38	oeisdata/seq/A013/A013764.seq	f99b1979f7ac84c85ba2cbfd76210f94
A013765	a(n) = 19^(3*n + 2).	[ "361", "2476099", "16983563041", "116490258898219", "799006685782884121", "5480386857784802185939", "37589973457545958193355601", "257829627945307727248226067259", "1768453418076865701195582595329481" ]	[ "nonn", "easy" ]	19	0	1	null	null	N. J. A. Sloane	2022-09-08T08:44:38	oeisdata/seq/A013/A013765.seq	114392bad480ab4610dca02704dd6f76
A013766	a(n) = 20^(3*n + 1).	[ "20", "160000", "1280000000", "10240000000000", "81920000000000000", "655360000000000000000", "5242880000000000000000000", "41943040000000000000000000000", "335544320000000000000000000000000", "2684354560000000000000000000000000000", "21474836480000000000000000000000000000000" ]	[ "nonn", "easy" ]	27	0	1	[ "A009964", "A013730", "A013746", "A013766", "A016777" ]	null	N. J. A. Sloane	2025-03-01T23:23:35	oeisdata/seq/A013/A013766.seq	e140c84157a8170ed37fbc441b28e03b
A013767	a(n) = 20^(3*n + 2).	[ "400", "3200000", "25600000000", "204800000000000", "1638400000000000000", "13107200000000000000000", "104857600000000000000000000", "838860800000000000000000000000", "6710886400000000000000000000000000", "53687091200000000000000000000000000000", "429496729600000000000000000000000000000000" ]	[ "nonn", "easy" ]	28	0	1	[ "A009964", "A013731", "A013747", "A013767", "A016789" ]	null	N. J. A. Sloane	2025-02-27T15:16:45	oeisdata/seq/A013/A013767.seq	5ae2ed0f519962b1395ead4b85b8b389
A013768	a(n) = 21^(3*n + 1).	[ "21", "194481", "1801088541", "16679880978201", "154472377739119461", "1430568690241985328321", "13248496640331026125580781", "122694327386105632949003612841", "1136272165922724266740722458520501", "10523016528610349434285830688358359761" ]	[ "nonn", "easy" ]	21	0	1	[ "A009965", "A013768" ]	null	N. J. A. Sloane	2022-09-08T08:44:38	oeisdata/seq/A013/A013768.seq	d6c208750bf403eef1f17919f5a57c7c
A013769	a(n) = 21^(3*n + 2).	[ "441", "4084101", "37822859361", "350277500542221", "3243919932521508681", "30041942495081691894741", "278218429446951548637196401", "2576580875108218291929075869661", "23861715484377209601555171628930521", "220983347100817338120002444455525554981" ]	[ "nonn", "easy" ]	20	0	1	null	null	N. J. A. Sloane	2022-09-08T08:44:38	oeisdata/seq/A013/A013769.seq	8fedbd497b6c8a7cfa22c7e89d0f13e9
A013770	a(n) = 22^(3*n + 1).	[ "22", "234256", "2494357888", "26559922791424", "282810057883082752", "3011361496339065143296", "32064977213018365645815808", "341427877364219557396646723584", "3635524038174209847159494312722432", "38711059958478986452554295441868455936" ]	[ "nonn", "easy" ]	19	0	1	[ "A009966", "A013770" ]	null	N. J. A. Sloane	2022-09-08T08:44:38	oeisdata/seq/A013/A013770.seq	2931c77067fc891afeff7d2db7cdb98f
A013771	a(n) = 22^(3*n + 2).	[ "484", "5153632", "54875873536", "584318301411328", "6221821273427820544", "66249952919459433152512", "705429498686404044207947776", "7511413302012830262726227918848", "79981528839832616637508874879893504", "851643319086537701956194499721106030592" ]	[ "nonn", "easy" ]	17	0	1	[ "A009966", "A013771" ]	null	N. J. A. Sloane	2022-09-08T08:44:38	oeisdata/seq/A013/A013771.seq	cafe7edece96a832bc972b12b8cd386a
A013772	a(n) = 23^(3*n + 1).	[ "23", "279841", "3404825447", "41426511213649", "504036361936467383", "6132610415680998648961", "74615470927590710561908487", "907846434775996175406740561329", "11045767571919545466173812409689943", "134393854047545109686936775588697536481" ]	[ "nonn", "easy" ]	20	0	1	null	null	N. J. A. Sloane	2022-09-08T08:44:38	oeisdata/seq/A013/A013772.seq	db919a87e78ea21ae2d95fba7b120efb
A013773	a(n) = 23^(3*n + 2).	[ "529", "6436343", "78310985281", "952809757913927", "11592836324538749809", "141050039560662968926103", "1716155831334586342923895201", "20880467999847912034355032910567", "254052654154149545721997685422868689" ]	[ "nonn", "easy" ]	19	0	1	[ "A009967", "A013773" ]	null	N. J. A. Sloane	2022-09-08T08:44:38	oeisdata/seq/A013/A013773.seq	fe9dbdd2337860be063100608a09835d
A013774	a(n) = 24^(3*n + 1).	[ "24", "331776", "4586471424", "63403380965376", "876488338465357824", "12116574790945106558976", "167499529910025153071284224", "2315513501476187716057433112576", "32009658644406818986777955348250624" ]	[ "nonn", "easy" ]	19	0	1	[ "A009968", "A013774" ]	null	N. J. A. Sloane	2024-01-20T14:47:27	oeisdata/seq/A013/A013774.seq	a4706a4001b6151163184a914080755c
A013775	a(n) = 24^(3*n + 2).	[ "576", "7962624", "110075314176", "1521681143169024", "21035720123168587776", "290797794982682557415424", "4019988717840603673710821376", "55572324035428505185378394701824" ]	[ "nonn", "easy" ]	20	0	1	null	null	N. J. A. Sloane	2024-02-22T18:37:58	oeisdata/seq/A013/A013775.seq	75f4c6b9b7814aa964ed2c4232b3e0e7
A013776	a(n) = 2^(4*n+1).	[ "2", "32", "512", "8192", "131072", "2097152", "33554432", "536870912", "8589934592", "137438953472", "2199023255552", "35184372088832", "562949953421312", "9007199254740992", "144115188075855872", "2305843009213693952" ]	[ "nonn", "easy" ]	73	0	1	[ "A000010", "A000079", "A004171", "A013776", "A016813", "A078164", "A264960", "A307690" ]	null	N. J. A. Sloane	2022-04-17T09:22:51	oeisdata/seq/A013/A013776.seq	91b1591180f4fe7f39f39c4475f621a8
A013777	a(n) = 2^(4*n + 3).	[ "8", "128", "2048", "32768", "524288", "8388608", "134217728", "2147483648", "34359738368", "549755813888", "8796093022208", "140737488355328", "2251799813685248", "36028797018963968", "576460752303423488", "9223372036854775808", "147573952589676412928", "2361183241434822606848", "37778931862957161709568" ]	[ "nonn", "easy" ]	32	0	1	[ "A000079", "A004767", "A013777" ]	null	N. J. A. Sloane	2025-02-19T23:31:55	oeisdata/seq/A013/A013777.seq	5065ef20bc3a2f53d82a1c6d49ba7f0b
A013778	a(n) = 3^(4*n + 1).	[ "3", "243", "19683", "1594323", "129140163", "10460353203", "847288609443", "68630377364883", "5559060566555523", "450283905890997363", "36472996377170786403", "2954312706550833698643", "239299329230617529590083", "19383245667680019896796723" ]	[ "nonn", "easy" ]	32	0	1	null	null	N. J. A. Sloane	2023-02-26T14:46:31	oeisdata/seq/A013/A013778.seq	10a105050789463ca114f4cf19f85023
A013779	a(n) = 3^(4*n + 3).	[ "27", "2187", "177147", "14348907", "1162261467", "94143178827", "7625597484987", "617673396283947", "50031545098999707", "4052555153018976267", "328256967394537077627", "26588814358957503287787", "2153693963075557766310747" ]	[ "nonn", "easy" ]	22	0	1	[ "A000244", "A013779" ]	null	N. J. A. Sloane	2022-09-08T08:44:38	oeisdata/seq/A013/A013779.seq	9f7a9703235f30f45bb12fbbf913e2d8
A013780	a(n) = 4^(4*n + 1).	[ "4", "1024", "262144", "67108864", "17179869184", "4398046511104", "1125899906842624", "288230376151711744", "73786976294838206464", "18889465931478580854784", "4835703278458516698824704", "1237940039285380274899124224" ]	[ "nonn", "easy" ]	21	0	1	null	null	N. J. A. Sloane	2022-09-08T08:44:38	oeisdata/seq/A013/A013780.seq	1d19b33a28dc99555838683e8c3a2db9
A013781	a(n) = 4^(4*n + 3).	[ "64", "16384", "4194304", "1073741824", "274877906944", "70368744177664", "18014398509481984", "4611686018427387904", "1180591620717411303424", "302231454903657293676544", "77371252455336267181195264", "19807040628566084398385987584" ]	[ "nonn" ]	24	0	1	[ "A013721", "A013781" ]	null	N. J. A. Sloane	2022-09-08T08:44:38	oeisdata/seq/A013/A013781.seq	1beb3dccfa128dbb3d9d29cf864ff440
A013782	a(n) = 5^(4*n + 1).	[ "5", "3125", "1953125", "1220703125", "762939453125", "476837158203125", "298023223876953125", "186264514923095703125", "116415321826934814453125", "72759576141834259033203125", "45474735088646411895751953125" ]	[ "nonn", "easy" ]	23	0	1	[ "A000351", "A013782" ]	null	N. J. A. Sloane	2022-09-08T08:44:38	oeisdata/seq/A013/A013782.seq	155a00aafd477724b180385582aa2be2
A013783	a(n) = 5^(4*n + 3).	[ "125", "78125", "48828125", "30517578125", "19073486328125", "11920928955078125", "7450580596923828125", "4656612873077392578125", "2910383045673370361328125", "1818989403545856475830078125", "1136868377216160297393798828125" ]	[ "nonn", "easy" ]	21	0	1	[ "A000351", "A013783" ]	null	N. J. A. Sloane	2022-09-08T08:44:38	oeisdata/seq/A013/A013783.seq	9c8750e7408d0540c9907f9766428350
A013784	a(n) = 6^(4*n + 1).	[ "6", "7776", "10077696", "13060694016", "16926659444736", "21936950640377856", "28430288029929701376", "36845653286788892983296", "47751966659678405306351616", "61886548790943213277031694336", "80204967233062404407033075859456" ]	[ "nonn", "easy" ]	24	0	1	null	null	N. J. A. Sloane	2022-09-08T08:44:38	oeisdata/seq/A013/A013784.seq	9cb0ff3673d56e3c6cfb7304c1e43719
A013785	a(n) = 6^(4n+3).	[ "216", "279936", "362797056", "470184984576", "609359740010496", "789730223053602816", "1023490369077469249536", "1326443518324400147398656", "1719070799748422591028658176", "2227915756473955677973140996096", "2887378820390246558653190730940416" ]	[ "nonn", "easy" ]	19	0	1	null	null	N. J. A. Sloane	2022-09-08T08:44:38	oeisdata/seq/A013/A013785.seq	dc17846272a037929b64f14002ff2f91
A013786	a(n) = 7^(4*n + 1).	[ "7", "16807", "40353607", "96889010407", "232630513987207", "558545864083284007", "1341068619663964900807", "3219905755813179726837607", "7730993719707444524137094407", "18562115921017574302453163671207", "44567640326363195900190045974568007" ]	[ "nonn", "easy" ]	25	0	1	[ "A000420", "A013786" ]	null	N. J. A. Sloane	2024-10-04T19:08:44	oeisdata/seq/A013/A013786.seq	c35944b0186f8c7e5183a6613c091fb5
A013787	a(n) = 7^(4*n + 3).	[ "343", "823543", "1977326743", "4747561509943", "11398895185373143", "27368747340080916343", "65712362363534280139543", "157775382034845806615042743", "378818692265664781682717625943", "909543680129861140820205019889143", "2183814375991796599109312252753832343" ]	[ "nonn", "easy" ]	27	0	1	null	null	N. J. A. Sloane	2022-09-08T08:44:38	oeisdata/seq/A013/A013787.seq	d8fdb917686cfb59774821d2ce9bf444
A013788	a(n) = 8^(4*n + 1).	[ "8", "32768", "134217728", "549755813888", "2251799813685248", "9223372036854775808", "37778931862957161709568", "154742504910672534362390528", "633825300114114700748351602688", "2596148429267413814265248164610048", "10633823966279326983230456482242756608" ]	[ "nonn", "easy" ]	24	0	1	[ "A001018", "A013788" ]	null	N. J. A. Sloane	2022-09-08T08:44:38	oeisdata/seq/A013/A013788.seq	a6e2712cf090c36647450ea33988488a
A013789	a(n) = 8^(4*n + 3).	[ "512", "2097152", "8589934592", "35184372088832", "144115188075855872", "590295810358705651712", "2417851639229258349412352", "9903520314283042199192993792", "40564819207303340847894502572032", "166153499473114484112975882535043072" ]	[ "nonn", "easy" ]	19	0	1	[ "A001018", "A013789" ]	null	N. J. A. Sloane	2022-09-08T08:44:38	oeisdata/seq/A013/A013789.seq	29cfc11d47876b3bb3f174d2d15c8735
A013790	a(n) = 9^(4*n + 1).	[ "9", "59049", "387420489", "2541865828329", "16677181699666569", "109418989131512359209", "717897987691852588770249", "4710128697246244834921603689", "30903154382632612361920641803529", "202755595904452569706561330872953769" ]	[ "nonn", "easy" ]	23	0	1	null	null	N. J. A. Sloane	2022-09-08T08:44:38	oeisdata/seq/A013/A013790.seq	a2ebef1838abe0adeab3d13903bd58a5
A013791	a(n) = 9^(4*n + 3).	[ "729", "4782969", "31381059609", "205891132094649", "1350851717672992089", "8862938119652501095929", "58149737003040059690390169", "381520424476945831628649898809", "2503155504993241601315571986085849", "16423203268260658146231467800709255289" ]	[ "nonn", "easy" ]	23	0	1	[ "A001019", "A013791" ]	null	N. J. A. Sloane	2022-09-08T08:44:38	oeisdata/seq/A013/A013791.seq	5cb17361eff815368399c279077d26e7
A013792	a(n) = 10^(4*n + 1).	[ "10", "100000", "1000000000", "10000000000000", "100000000000000000", "1000000000000000000000", "10000000000000000000000000", "100000000000000000000000000000", "1000000000000000000000000000000000", "10000000000000000000000000000000000000", "100000000000000000000000000000000000000000" ]	[ "nonn", "easy" ]	24	0	1	[ "A011557", "A013715", "A013776", "A013782", "A013792", "A016813", "A098608" ]	null	N. J. A. Sloane	2024-09-07T03:22:44	oeisdata/seq/A013/A013792.seq	95a670dda78f3561174ffb81ec8806f0
A013793	a(n) = 10^(4*n + 3).	[ "1000", "10000000", "100000000000", "1000000000000000", "10000000000000000000", "100000000000000000000000", "1000000000000000000000000000", "10000000000000000000000000000000", "100000000000000000000000000000000000", "1000000000000000000000000000000000000000" ]	[ "nonn", "easy" ]	24	0	1	[ "A004767", "A011557", "A013715", "A013777", "A013783", "A013793", "A098608" ]	null	N. J. A. Sloane	2024-09-07T03:22:28	oeisdata/seq/A013/A013793.seq	6ec9253e463bd0c3edbc726085dafe00
A013794	a(n) = 11^(4n+1).	[ "11", "161051", "2357947691", "34522712143931", "505447028499293771", "7400249944258160101211", "108347059433883722041830251", "1586309297171491574414436704891", "23225154419887808141001767796309131", "340039485861577398992406882305761986971" ]	[ "nonn", "easy", "changed" ]	19	0	1	null	null	N. J. A. Sloane	2025-07-08T02:50:57	oeisdata/seq/A013/A013794.seq	40bf694c346306fb70403ed04ec56b71
A013795	a(n) = 11^(4*n+3).	[ "1331", "19487171", "285311670611", "4177248169415651", "61159090448414546291", "895430243255237372246531", "13109994191499930367061460371", "191943424957750480504146841291811", "2810243684806424785061213903353404851" ]	[ "nonn", "easy" ]	23	0	1	[ "A001020", "A013795" ]	null	N. J. A. Sloane	2022-09-08T08:44:38	oeisdata/seq/A013/A013795.seq	7998dd9be7bfea4c3b315eb7a4f51297
A013796	a(n) = 12^(4*n + 1).	[ "12", "248832", "5159780352", "106993205379072", "2218611106740436992", "46005119909369701466112", "953962166440690129601298432", "19781359483314150527412524285952", "410186270246002225336426103593500672", "8505622499821102144576131684114829934592" ]	[ "nonn", "easy" ]	22	0	1	null	null	N. J. A. Sloane	2022-09-08T08:44:38	oeisdata/seq/A013/A013796.seq	5105fc976ce6c0078b8372e78f30d7fe
A013797	a(n) = 12^(4*n + 3).	[ "1728", "35831808", "743008370688", "15407021574586368", "319479999370622926848", "6624737266949237011120128", "137370551967459378662586974208", "2848515765597237675947403497177088", "59066822915424320448445358917464096768" ]	[ "nonn", "easy" ]	19	0	1	[ "A001021", "A013797" ]	null	N. J. A. Sloane	2022-09-08T08:44:38	oeisdata/seq/A013/A013797.seq	94bd86d7be1ed5d308fa0e5f5a70e505
A013798	a(n) = 13^(4*n + 1).	[ "13", "371293", "10604499373", "302875106592253", "8650415919381337933", "247064529073450392704413", "7056410014866816666030739693", "201538126434611150798503956371773", "5756130429098929077956071497934208653" ]	[ "nonn", "easy" ]	16	0	1	[ "A001022", "A013798" ]	null	N. J. A. Sloane	2022-09-08T08:44:38	oeisdata/seq/A013/A013798.seq	53e0b0e076d01e4c28ab3528fb310283
A013799	a(n) = 13^(4*n + 3).	[ "2197", "62748517", "1792160394037", "51185893014090757", "1461920290375446110677", "41753905413413116367045797", "1192533292512492016559195008117", "34059943367449284484947168626829637", "972786042517719014174576083150881262357" ]	[ "nonn", "easy" ]	22	0	1	null	null	N. J. A. Sloane	2022-09-08T08:44:38	oeisdata/seq/A013/A013799.seq	f10da2c85a420c53b6a076ec8355cf87
A013800	a(n) = 14^(4*n+1).	[ "14", "537824", "20661046784", "793714773254144", "30491346729331195904", "1171355575953987221848064", "44998795805848373114515226624", "1728673739677471101567216945987584", "66408730383449729837806206197059026944" ]	[ "nonn", "easy" ]	14	0	1	null	null	N. J. A. Sloane	2022-09-08T08:44:38	oeisdata/seq/A013/A013800.seq	f857eda5d1a6c0f3fcd31209c37e2aa2

A013701

Degree of variety K_{2,n}^4.

[ "1", "512", "75025", "7174454", "562110290", "39541748736", "2610763825782", "165745451110910", "10262482704258873", "625250747214775916", "37701606156514031251", "2258713106034310399852", "134810129909509070121060" ]

[ "nonn", "easy" ]

10

1

2

[ "A013698", "A013699", "A013700", "A013701", "A013702" ]

null

Joachim.Rosenthal(AT)nd.edu (Joachim Rosenthal)

2020-08-21T09:12:34

oeisdata/seq/A013/A013701.seq

1a18af9937109c278fafa23a3903fa73

A013702

Degree of variety K_{2,n}^5.

[ "1", "2048", "832040", "193710244", "34673583028", "5372862566400", "763562937059280", "102703589621825280", "13319075453502743045", "1684658996331320739600", "209381188023138094045641", "25698882980999585848747760" ]

[ "nonn", "easy" ]

10

1

2

[ "A013698", "A013699", "A013700", "A013701", "A013702" ]

null

Joachim.Rosenthal(AT)nd.edu (Joachim Rosenthal)

2020-08-21T09:12:54

oeisdata/seq/A013/A013702.seq

c27a8d37f8e36fbf5d441cd3429b35aa

A013703

Series(W(exp(1)*(1+x)), x) = sum( a[ n ]/(2^(2*n)*n!), n=0..infinity), where W is the Lambert W function.

[ "1", "2", "-6", "38", "-370", "4874", "-81046", "1628710", "-38393538", "1038795658", "-31730277062", "1080038539942", "-40538501660306", "1663428036271754", "-74080097240364918", "3558651343664651174", "-183423140013051563746", "10097324775041880827402", "-591270189493633774009510" ]

[ "sign" ]

33

0

2

[ "A013703", "A042977" ]

null

Robert Corless (rmc(AT)pineapple.apmaths.uwo.ca)

2024-11-24T14:00:42

oeisdata/seq/A013/A013703.seq

f2fe81c65760f7b00063334007e05144

A013704

Terms in perturbation solution of a heat transfer problem.

[ "2", "12", "44", "100", "203", "344", "558", "824", "1189", "1620", "2176", "2812" ]

[ "nonn", "nice" ]

12

1

[ "A013704", "A025495" ]

null

N. J. A. Sloane

2021-12-16T22:39:59

oeisdata/seq/A013/A013704.seq

c433d5434cc92647f83bf37846c9f088

A013705

Decimal expansion of 4*Sum_{k=1..500000} (-1)^(k-1)/(2k-1).

[ "3", "1", "4", "1", "5", "9", "0", "6", "5", "3", "5", "8", "9", "7", "9", "3", "2", "4", "0", "4", "6", "2", "6", "4", "3", "3", "8", "3", "2", "6", "9", "5", "0", "2", "8", "8", "4", "1", "9", "7", "2", "9", "1", "3", "9", "9", "3", "7", "5", "1", "0", "3", "0", "5", "0", "9", "7", "4", "9", "4", "4", "6", "9", "3", "3", "4", "9", "8", "1", "6", "4", "0", "0", "8", "8", "0", "6", "7", "8", "9", "9", "9", "0", "2", "6", "7", "5", "6", "7", "8", "7", "3", "0", "3", "3", "3", "4", "0", "4", "3", "6", "9", "6", "9", "5" ]

[ "cons", "nonn", "easy" ]

34

1

[ "A000796", "A013705", "A013706", "A195793", "A216542", "A216543", "A216544", "A216545", "A216546", "A216547", "A216548" ]

null

N. J. A. Sloane

2025-02-03T12:18:18

oeisdata/seq/A013/A013705.seq

75ab8186f128813841cf42cca42e2dbb

A013706

Decimal expansion of 2*Sum_{k=1..50000} (-1)^(k-1)/(2k-1).

[ "1", "5", "7", "0", "7", "8", "6", "3", "2", "6", "7", "9", "4", "8", "9", "7", "6", "1", "9", "2", "3", "1", "3", "2", "1", "1", "9", "1", "6", "3", "9", "7", "5", "2", "0", "5", "2", "0", "9", "8", "5", "8", "3", "3", "1", "4", "6", "8", "7", "5", "5", "7", "9", "6", "2", "5", "8", "7", "4", "4", "5", "2", "6", "8", "5", "0", "4", "1", "0", "7", "5", "6", "4", "1", "2", "2", "1", "6", "5", "3", "4", "8", "1", "2", "3", "5", "6", "6", "2", "0", "9", "0", "5", "5", "0", "9", "7", "3", "5", "2", "6", "8", "8", "4", "3", "6", "3", "2", "7", "4", "2", "5", "0", "9", "3", "7", "0", "4", "8", "2", "5", "0", "6", "1", "9", "3" ]

[ "cons", "nonn", "easy", "nice" ]

37

1

2

[ "A000796", "A013705", "A013706", "A013707", "A195793", "A216542", "A216543", "A216544", "A216545", "A216546", "A216547", "A216548" ]

null

N. J. A. Sloane

2024-04-23T11:21:09

oeisdata/seq/A013/A013706.seq

231e7db3074afa1d05e923edad12f7f3

A013707

Decimal expansion of Sum_{k=1..50000} (-1)^(k+1) / k.

[ "6", "9", "3", "1", "3", "7", "1", "8", "0", "6", "5", "9", "9", "4", "5", "3", "0", "9", "3", "9", "7", "2", "3", "2", "1", "2", "1", "4", "7", "4", "1", "7", "6", "5", "6", "8", "0", "4", "8", "3", "0", "0", "1", "3", "4", "4", "3", "9", "6", "1", "5", "2", "5", "3", "7", "6", "6", "8", "8", "8", "0", "1", "1", "7", "3", "0", "2", "1", "9", "2", "0", "2", "9", "3", "2", "1", "2", "1", "8", "0", "5", "4", "7", "1", "2", "0", "3", "3", "9", "4", "1", "0", "7", "9", "5", "6", "9", "1", "9", "3", "2", "1", "5", "1", "7" ]

[ "cons", "nonn", "easy", "nice" ]

37

0

1

[ "A013705", "A013706", "A013707" ]

null

N. J. A. Sloane

2017-07-27T17:55:49

oeisdata/seq/A013/A013707.seq

c5f0c8523b271e7b05d33b666de437d2

A013708

a(n) = 3^(2*n+1).

[ "3", "27", "243", "2187", "19683", "177147", "1594323", "14348907", "129140163", "1162261467", "10460353203", "94143178827", "847288609443", "7625597484987", "68630377364883", "617673396283947", "5559060566555523", "50031545098999707", "450283905890997363", "4052555153018976267", "36472996377170786403" ]

[ "nonn", "easy" ]

46

0

1

[ "A000244", "A013708" ]

null

N. J. A. Sloane

2024-07-12T10:17:17

oeisdata/seq/A013/A013708.seq

d345bc9aa2d3f84f1946b4f966910858

A013709

a(n) = 4^(2*n+1).

[ "4", "64", "1024", "16384", "262144", "4194304", "67108864", "1073741824", "17179869184", "274877906944", "4398046511104", "70368744177664", "1125899906842624", "18014398509481984", "288230376151711744", "4611686018427387904", "73786976294838206464", "1180591620717411303424", "18889465931478580854784" ]

[ "nonn", "easy" ]

51

0

1

[ "A000302", "A000888", "A001025", "A005408", "A013709", "A016825", "A267844", "A267987" ]

null

N. J. A. Sloane

2024-08-26T14:31:15

oeisdata/seq/A013/A013709.seq

1ac920d061d5013b0e60ed4527d4c2d0

A013710

a(n) = 5^(2*n + 1).

[ "5", "125", "3125", "78125", "1953125", "48828125", "1220703125", "30517578125", "762939453125", "19073486328125", "476837158203125", "11920928955078125", "298023223876953125", "7450580596923828125", "186264514923095703125", "4656612873077392578125", "116415321826934814453125", "2910383045673370361328125" ]

[ "nonn", "easy" ]

31

0

1

[ "A000351", "A005408", "A009969", "A013710" ]

null

N. J. A. Sloane

2024-08-26T15:21:32

oeisdata/seq/A013/A013710.seq

71238a4b1e18a6c7f1737495998c7fdc

A013711

a(n) = 6^(2*n+1).

[ "6", "216", "7776", "279936", "10077696", "362797056", "13060694016", "470184984576", "16926659444736", "609359740010496", "21936950640377856", "789730223053602816", "28430288029929701376", "1023490369077469249536", "36845653286788892983296", "1326443518324400147398656", "47751966659678405306351616" ]

[ "nonn", "easy" ]

26

0

1

[ "A000400", "A004171", "A005408", "A009980", "A013708", "A013711" ]

null

N. J. A. Sloane

2024-08-26T17:36:34

oeisdata/seq/A013/A013711.seq

12c2b100c8f4f4b1ae67863b4b45403d

A013712

a(n) = 7^(2*n + 1).

[ "7", "343", "16807", "823543", "40353607", "1977326743", "96889010407", "4747561509943", "232630513987207", "11398895185373143", "558545864083284007", "27368747340080916343", "1341068619663964900807", "65712362363534280139543", "3219905755813179726837607", "157775382034845806615042743" ]

[ "nonn", "easy" ]

26

0

1

[ "A000420", "A005408", "A013712", "A087752" ]

null

N. J. A. Sloane

2024-08-27T18:02:31

oeisdata/seq/A013/A013712.seq

e4b2929f5be17048a24bdbc6e123d618

A013713

a(n) = 8^(2n+1).

[ "8", "512", "32768", "2097152", "134217728", "8589934592", "549755813888", "35184372088832", "2251799813685248", "144115188075855872", "9223372036854775808", "590295810358705651712", "37778931862957161709568", "2417851639229258349412352" ]

[ "nonn", "easy", "changed" ]

33

0

1

[ "A001018", "A013713", "A013734", "A013735", "A089357" ]

null

N. J. A. Sloane

2025-07-08T02:50:45

oeisdata/seq/A013/A013713.seq

517db5bcd015b7ffdb1db2c9256a9a1c

A013714

a(n) = 9^(2*n + 1).

[ "9", "729", "59049", "4782969", "387420489", "31381059609", "2541865828329", "205891132094649", "16677181699666569", "1350851717672992089", "109418989131512359209", "8862938119652501095929", "717897987691852588770249", "58149737003040059690390169", "4710128697246244834921603689" ]

[ "nonn", "easy" ]

26

0

1

[ "A001019", "A005408", "A013714", "A013778" ]

null

N. J. A. Sloane

2024-08-26T20:18:03

oeisdata/seq/A013/A013714.seq

a2589ebf333db5e7e6364a3e3140f72a

A013715

a(n) = 10^(2*n+1).

[ "10", "1000", "100000", "10000000", "1000000000", "100000000000", "10000000000000", "1000000000000000", "100000000000000000", "10000000000000000000", "1000000000000000000000", "100000000000000000000000", "10000000000000000000000000", "1000000000000000000000000000", "100000000000000000000000000000" ]

[ "nonn", "easy" ]

34

0

1

[ "A005408", "A011557", "A013708", "A013714", "A013715", "A013716", "A013729", "A013747", "A098608" ]

null

N. J. A. Sloane

2024-08-26T16:53:42

oeisdata/seq/A013/A013715.seq

0e47f0a494b288fd5dfa5b92c29ff46f

A013716

a(n) = 11^(2*n + 1).

[ "11", "1331", "161051", "19487171", "2357947691", "285311670611", "34522712143931", "4177248169415651", "505447028499293771", "61159090448414546291", "7400249944258160101211", "895430243255237372246531" ]

[ "nonn", "easy" ]

24

0

1

[ "A001020", "A013708", "A013715", "A013716", "A013717", "A013729" ]

null

N. J. A. Sloane

2024-06-21T16:20:30

oeisdata/seq/A013/A013716.seq

5b4691277e3f27a7a79321157f90d933

A013717

a(n) = 12^(2*n + 1).

[ "12", "1728", "248832", "35831808", "5159780352", "743008370688", "106993205379072", "15407021574586368", "2218611106740436992", "319479999370622926848", "46005119909369701466112", "6624737266949237011120128" ]

[ "nonn", "easy" ]

22

0

1

[ "A001021", "A013708", "A013716", "A013717", "A013718", "A013729" ]

null

N. J. A. Sloane

2022-09-08T08:44:38

oeisdata/seq/A013/A013717.seq

f4dd952275e1ae37de578a9ed320ed03

A013718

a(n) = 13^(2*n + 1).

[ "13", "2197", "371293", "62748517", "10604499373", "1792160394037", "302875106592253", "51185893014090757", "8650415919381337933", "1461920290375446110677", "247064529073450392704413", "41753905413413116367045797" ]

[ "nonn", "easy" ]

22

0

1

[ "A001022", "A013708", "A013717", "A013718", "A013719", "A013729" ]

null

N. J. A. Sloane

2022-09-08T08:44:38

oeisdata/seq/A013/A013718.seq

3eec543ded598d90fd742119ea9818da

A013719

a(n) = 14^(2*n + 1).

[ "14", "2744", "537824", "105413504", "20661046784", "4049565169664", "793714773254144", "155568095557812224", "30491346729331195904", "5976303958948914397184", "1171355575953987221848064", "229585692886981495482220544" ]

[ "nonn", "easy" ]

22

0

1

[ "A001023", "A013708", "A013718", "A013719", "A013720", "A013729" ]

null

N. J. A. Sloane

2022-09-08T08:44:38

oeisdata/seq/A013/A013719.seq

34f1340ce56570e5142a8ffdeb0da27a

A013720

a(n) = 15^(2*n + 1).

[ "15", "3375", "759375", "170859375", "38443359375", "8649755859375", "1946195068359375", "437893890380859375", "98526125335693359375", "22168378200531005859375", "4987885095119476318359375", "1122274146401882171630859375" ]

[ "nonn", "easy" ]

25

0

1

[ "A001024", "A013720" ]

null

N. J. A. Sloane

2022-09-08T08:44:38

oeisdata/seq/A013/A013720.seq

c5c15f817ae45a45f219f74e767a2122

A013721

a(n) = 16^(2*n + 1).

[ "16", "4096", "1048576", "268435456", "68719476736", "17592186044416", "4503599627370496", "1152921504606846976", "295147905179352825856", "75557863725914323419136", "19342813113834066795298816", "4951760157141521099596496896" ]

[ "nonn", "easy" ]

21

0

1

null

N. J. A. Sloane

2022-09-08T08:44:38

oeisdata/seq/A013/A013721.seq

3737655d7849f03b3e5a9297766da7a9

A013722

a(n) = 17^(2*n + 1).

[ "17", "4913", "1419857", "410338673", "118587876497", "34271896307633", "9904578032905937", "2862423051509815793", "827240261886336764177", "239072435685151324847153", "69091933913008732880827217" ]

[ "nonn", "easy" ]

28

0

1

[ "A001026", "A013708", "A013721", "A013722", "A013723", "A013729" ]

null

N. J. A. Sloane

2022-09-08T08:44:38

oeisdata/seq/A013/A013722.seq

a29dfae8982f7aad3cc7fdb05b2a4c6e

A013723

a(n) = 18^(2*n + 1).

[ "18", "5832", "1889568", "612220032", "198359290368", "64268410079232", "20822964865671168", "6746640616477458432", "2185911559738696531968", "708235345355337676357632", "229468251895129407139872768" ]

[ "nonn", "easy" ]

24

0

1

[ "A001027", "A013708", "A013722", "A013723", "A013724", "A013729" ]

null

N. J. A. Sloane

2022-09-08T08:44:38

oeisdata/seq/A013/A013723.seq

8b2ba730f6a002479ac82b4a1f304a61

A013724

a(n) = 19^(2*n + 1).

[ "19", "6859", "2476099", "893871739", "322687697779", "116490258898219", "42052983462257059", "15181127029874798299", "5480386857784802185939", "1978419655660313589123979", "714209495693373205673756419" ]

[ "nonn", "easy" ]

24

0

1

[ "A001029", "A013708", "A013723", "A013724", "A013725", "A013729" ]

null

N. J. A. Sloane

2022-09-08T08:44:38

oeisdata/seq/A013/A013724.seq

f693f36f2b641cdb3fc63b50246658d6

A013725

a(n) = 20^(2*n + 1).

[ "20", "8000", "3200000", "1280000000", "512000000000", "204800000000000", "81920000000000000", "32768000000000000000", "13107200000000000000000", "5242880000000000000000000", "2097152000000000000000000000", "838860800000000000000000000000", "335544320000000000000000000000000" ]

[ "nonn", "easy", "changed" ]

32

0

1

[ "A004171", "A005408", "A009964", "A013708", "A013724", "A013725", "A013726", "A013729" ]

null

N. J. A. Sloane

2025-07-12T16:09:38

oeisdata/seq/A013/A013725.seq

50a34d8579fcc9bfbb128965c51bab34

A013726

a(n) = 21^(2*n + 1).

[ "21", "9261", "4084101", "1801088541", "794280046581", "350277500542221", "154472377739119461", "68122318582951682301", "30041942495081691894741", "13248496640331026125580781", "5842587018385982521381124421", "2576580875108218291929075869661", "1136272165922724266740722458520501" ]

[ "nonn", "easy", "changed" ]

30

0

1

[ "A005408", "A009965", "A013708", "A013725", "A013726", "A013727", "A013729" ]

null

N. J. A. Sloane

2025-07-11T10:13:40

oeisdata/seq/A013/A013726.seq

a1611db293208895e9206b636b00bd08

A013727

a(n) = 22^(2*n + 1).

[ "22", "10648", "5153632", "2494357888", "1207269217792", "584318301411328", "282810057883082752", "136880068015412051968", "66249952919459433152512", "32064977213018365645815808", "15519448971100888972574851072", "7511413302012830262726227918848", "3635524038174209847159494312722432" ]

[ "nonn", "easy", "changed" ]

31

0

1

[ "A004171", "A005408", "A009966", "A013708", "A013726", "A013727", "A013728", "A013729" ]

null

N. J. A. Sloane

2025-07-12T08:38:57

oeisdata/seq/A013/A013727.seq

50ed5841e15457d6339e3077f6cf6393

A013728

a(n) = 23^(2*n + 1).

[ "23", "12167", "6436343", "3404825447", "1801152661463", "952809757913927", "504036361936467383", "266635235464391245607", "141050039560662968926103", "74615470927590710561908487", "39471584120695485887249589623" ]

[ "nonn", "easy" ]

24

0

1

[ "A013708", "A013727", "A013728", "A013729" ]

null

N. J. A. Sloane

2022-09-08T08:44:38

oeisdata/seq/A013/A013728.seq

b0067de45d6e6e79c310b5883649a52f

A013729

a(n) = 24^(2*n + 1).

[ "24", "13824", "7962624", "4586471424", "2641807540224", "1521681143169024", "876488338465357824", "504857282956046106624", "290797794982682557415424", "167499529910025153071284224", "96479729228174488169059713024" ]

[ "nonn", "easy" ]

26

0

1

[ "A013708", "A013728", "A013729" ]

null

N. J. A. Sloane

2024-02-21T08:23:13

oeisdata/seq/A013/A013729.seq

e3758d48b151f3a2306ec0011f80e141

A013730

a(n) = 2^(3*n+1).

[ "2", "16", "128", "1024", "8192", "65536", "524288", "4194304", "33554432", "268435456", "2147483648", "17179869184", "137438953472", "1099511627776", "8796093022208", "70368744177664", "562949953421312", "4503599627370496", "36028797018963968", "288230376151711744", "2305843009213693952", "18446744073709551616" ]

[ "nonn", "easy" ]

53

0

1

[ "A013730", "A013731", "A016921", "A016933", "A132024", "A157176" ]

null

N. J. A. Sloane

2024-11-03T12:24:44

oeisdata/seq/A013/A013730.seq

4810caf3caec6c554983a3b245b85b0a

A013731

a(n) = 2^(3*n+2).

[ "4", "32", "256", "2048", "16384", "131072", "1048576", "8388608", "67108864", "536870912", "4294967296", "34359738368", "274877906944", "2199023255552", "17592186044416", "140737488355328", "1125899906842624", "9007199254740992", "72057594037927936", "576460752303423488", "4611686018427387904" ]

[ "nonn", "easy" ]

56

0

1

[ "A001018", "A013730", "A013731", "A092811", "A198852" ]

null

N. J. A. Sloane

2025-02-16T08:32:32

oeisdata/seq/A013/A013731.seq

57fa81169da713b9aa59544274bfa208

A013732

a(n) = 3^(3*n + 1).

[ "3", "81", "2187", "59049", "1594323", "43046721", "1162261467", "31381059609", "847288609443", "22876792454961", "617673396283947", "16677181699666569", "450283905890997363", "12157665459056928801", "328256967394537077627", "8862938119652501095929" ]

[ "nonn", "easy" ]

24

0

1

[ "A013730", "A013732", "A013733", "A013734" ]

null

N. J. A. Sloane

2022-09-08T08:44:38

oeisdata/seq/A013/A013732.seq

f1321f22f8ce1e8dcce3c932195e9558

A013733

a(n) = 3^(3n+2).

[ "9", "243", "6561", "177147", "4782969", "129140163", "3486784401", "94143178827", "2541865828329", "68630377364883", "1853020188851841", "50031545098999707", "1350851717672992089", "36472996377170786403", "984770902183611232881", "26588814358957503287787" ]

[ "nonn", "easy" ]

35

0

1

[ "A013731", "A013732", "A013733", "A013735", "A013737" ]

null

N. J. A. Sloane

2022-09-08T08:44:38

oeisdata/seq/A013/A013733.seq

f42aee9900909d9eaf0fe40325af31c7

A013734

a(n) = 4^(3*n+1).

[ "4", "256", "16384", "1048576", "67108864", "4294967296", "274877906944", "17592186044416", "1125899906842624", "72057594037927936", "4611686018427387904", "295147905179352825856", "18889465931478580854784", "1208925819614629174706176" ]

[ "nonn", "easy", "changed" ]

41

0

1

[ "A013734", "A013735" ]

null

N. J. A. Sloane

2025-07-08T02:50:52

oeisdata/seq/A013/A013734.seq

394619fd19a6af0be1412425fb11e60f

A013735

a(n) = 4^(3*n+2).

[ "16", "1024", "65536", "4194304", "268435456", "17179869184", "1099511627776", "70368744177664", "4503599627370496", "288230376151711744", "18446744073709551616", "1180591620717411303424", "75557863725914323419136", "4835703278458516698824704" ]

[ "nonn", "easy" ]

37

0

1

[ "A013713", "A013734", "A013735", "A089357" ]

null

N. J. A. Sloane

2022-09-08T08:44:38

oeisdata/seq/A013/A013735.seq

bfe8ee368f734974b8be64e9ebc8b71c

A013736

a(n) = 5^(3*n + 1).

[ "5", "625", "78125", "9765625", "1220703125", "152587890625", "19073486328125", "2384185791015625", "298023223876953125", "37252902984619140625", "4656612873077392578125", "582076609134674072265625", "72759576141834259033203125" ]

[ "nonn", "easy" ]

29

0

1

[ "A013736", "A013737" ]

null

N. J. A. Sloane

2022-09-08T08:44:38

oeisdata/seq/A013/A013736.seq

4162602fdf8fd644bc20bd6f02697e01

A013737

a(n) = 5^(3*n + 2).

[ "25", "3125", "390625", "48828125", "6103515625", "762939453125", "95367431640625", "11920928955078125", "1490116119384765625", "186264514923095703125", "23283064365386962890625", "2910383045673370361328125", "363797880709171295166015625", "45474735088646411895751953125", "5684341886080801486968994140625" ]

[ "nonn", "easy", "changed" ]

27

0

1

[ "A000351", "A013736", "A013737", "A016789" ]

null

N. J. A. Sloane

2025-07-08T07:51:03

oeisdata/seq/A013/A013737.seq

1da49e1393531d79497f5a51359206b0

A013738

a(n) = 6^(3*n + 1).

[ "6", "1296", "279936", "60466176", "13060694016", "2821109907456", "609359740010496", "131621703842267136", "28430288029929701376", "6140942214464815497216", "1326443518324400147398656", "286511799958070431838109696" ]

[ "nonn", "easy" ]

25

0

1

[ "A013738", "A013739" ]

null

N. J. A. Sloane

2022-09-08T08:44:38

oeisdata/seq/A013/A013738.seq

fda8359952b265c4e4b00e3a68d1ee8f

A013739

a(n) = 6^(3*n + 2).

[ "36", "7776", "1679616", "362797056", "78364164096", "16926659444736", "3656158440062976", "789730223053602816", "170581728179578208256", "36845653286788892983296", "7958661109946400884391936", "1719070799748422591028658176" ]

[ "nonn", "easy" ]

24

0

1

[ "A013738", "A013739" ]

null

N. J. A. Sloane

2022-09-08T08:44:38

oeisdata/seq/A013/A013739.seq

7638ec1a971769ca12f999b02ce6b21a

A013740

a(n) = 7^(3*n + 1).

[ "7", "2401", "823543", "282475249", "96889010407", "33232930569601", "11398895185373143", "3909821048582988049", "1341068619663964900807", "459986536544739960976801", "157775382034845806615042743", "54116956037952111668959660849" ]

[ "nonn", "easy" ]

25

0

1

[ "A013740", "A013741" ]

null

N. J. A. Sloane

2022-09-08T08:44:38

oeisdata/seq/A013/A013740.seq

b908001daa3632387c0fe84b3cdae0cc

A013741

a(n) = 7^(3*n + 2).

[ "49", "16807", "5764801", "1977326743", "678223072849", "232630513987207", "79792266297612001", "27368747340080916343", "9387480337647754305649", "3219905755813179726837607", "1104427674243920646305299201", "378818692265664781682717625943" ]

[ "nonn", "easy" ]

24

0

1

[ "A013740", "A013741" ]

null

N. J. A. Sloane

2022-09-08T08:44:38

oeisdata/seq/A013/A013741.seq

ceca9f5b56d1a1ed7ddab61d5c35fa39

A013742

a(n) = 8^(3*n + 1).

[ "8", "4096", "2097152", "1073741824", "549755813888", "281474976710656", "144115188075855872", "73786976294838206464", "37778931862957161709568", "19342813113834066795298816", "9903520314283042199192993792", "5070602400912917605986812821504" ]

[ "nonn", "easy" ]

22

0

1

[ "A013742", "A013743" ]

null

N. J. A. Sloane

2022-09-08T08:44:38

oeisdata/seq/A013/A013742.seq

cf02f96124fb5205eb3cea003275b2da

A013743

a(n) = 8^(3*n + 2).

[ "64", "32768", "16777216", "8589934592", "4398046511104", "2251799813685248", "1152921504606846976", "590295810358705651712", "302231454903657293676544", "154742504910672534362390528", "79228162514264337593543950336", "40564819207303340847894502572032" ]

[ "nonn", "easy" ]

24

0

1

[ "A013742", "A013743" ]

null

N. J. A. Sloane

2022-09-08T08:44:38

oeisdata/seq/A013/A013743.seq

cefb852424637f5717e573269c73ef71

A013744

a(n) = 9^(3*n + 1).

[ "9", "6561", "4782969", "3486784401", "2541865828329", "1853020188851841", "1350851717672992089", "984770902183611232881", "717897987691852588770249", "523347633027360537213511521", "381520424476945831628649898809" ]

[ "nonn", "easy" ]

23

0

1

[ "A001019", "A013744" ]

null

N. J. A. Sloane

2022-09-08T08:44:38

oeisdata/seq/A013/A013744.seq

43e6e5d14c8b4ee68e14a0bd9acaef77

A013745

a(n) = 9^(3*n + 2).

[ "81", "59049", "43046721", "31381059609", "22876792454961", "16677181699666569", "12157665459056928801", "8862938119652501095929", "6461081889226673298932241", "4710128697246244834921603689", "3433683820292512484657849089281" ]

[ "nonn", "easy" ]

24

0

1

[ "A001019", "A013745" ]

null

N. J. A. Sloane

2022-09-08T08:44:38

oeisdata/seq/A013/A013745.seq

d3255e1050a2debfdd8fc3bf97d39909

A013746

a(n) = 10^(3*n + 1).

[ "10", "10000", "10000000", "10000000000", "10000000000000", "10000000000000000", "10000000000000000000", "10000000000000000000000", "10000000000000000000000000", "10000000000000000000000000000", "10000000000000000000000000000000", "10000000000000000000000000000000000" ]

[ "nonn", "easy", "changed" ]

27

0

1

[ "A011557", "A013730", "A013736", "A013746", "A013747", "A016777" ]

null

N. J. A. Sloane

2025-07-08T10:00:39

oeisdata/seq/A013/A013746.seq

006cb93c1a3e3ee65baaedaac827e31a

A013747

a(n) = 10^(3*n + 2).

[ "100", "100000", "100000000", "100000000000", "100000000000000", "100000000000000000", "100000000000000000000", "100000000000000000000000", "100000000000000000000000000", "100000000000000000000000000000", "100000000000000000000000000000000", "100000000000000000000000000000000000" ]

[ "nonn", "easy", "changed" ]

25

0

1

[ "A011557", "A013731", "A013737", "A013746", "A013747", "A016789" ]

null

N. J. A. Sloane

2025-07-08T10:01:14

oeisdata/seq/A013/A013747.seq

5019dbb80c1a51635374cb1552b2bdd8

A013748

a(n) = 11^(3*n + 1).

[ "11", "14641", "19487171", "25937424601", "34522712143931", "45949729863572161", "61159090448414546291", "81402749386839761113321", "108347059433883722041830251", "144209936106499234037676064081", "191943424957750480504146841291811" ]

[ "nonn", "easy" ]

22

0

1

[ "A013748", "A013749" ]

null

N. J. A. Sloane

2022-09-08T08:44:38

oeisdata/seq/A013/A013748.seq

197106f550252cae174a5eab4f2fb239

A013749

a(n) = 11^(3*n + 2).

[ "121", "161051", "214358881", "285311670611", "379749833583241", "505447028499293771", "672749994932560009201", "895430243255237372246531", "1191817653772720942460132761", "1586309297171491574414436704891", "2111377674535255285545615254209921" ]

[ "nonn", "easy" ]

24

0

1

[ "A013748", "A013749" ]

null

N. J. A. Sloane

2022-09-08T08:44:38

oeisdata/seq/A013/A013749.seq

c0bccd93a95fe363e8ca7b836fd8de81

A013750

a(n) = 12^(3*n + 1).

[ "12", "20736", "35831808", "61917364224", "106993205379072", "184884258895036416", "319479999370622926848", "552061438912436417593344", "953962166440690129601298432", "1648446623609512543951043690496" ]

[ "nonn", "easy" ]

25

0

1

[ "A001021", "A013750" ]

null

N. J. A. Sloane

2022-09-08T08:44:38

oeisdata/seq/A013/A013750.seq

619c0af6e83fec42946339881094903a

A013751

a(n) = 12^(3*n + 2).

[ "144", "248832", "429981696", "743008370688", "1283918464548864", "2218611106740436992", "3833759992447475122176", "6624737266949237011120128", "11447545997288281555215581184" ]

[ "nonn", "easy" ]

25

0

1

[ "A001021", "A013751" ]

null

N. J. A. Sloane

2022-09-08T08:44:38

oeisdata/seq/A013/A013751.seq

81476e3afc77d101d4c15173f7860727

A013752

a(n) = 13^(3*n + 1).

[ "13", "28561", "62748517", "137858491849", "302875106592253", "665416609183179841", "1461920290375446110677", "3211838877954855105157369", "7056410014866816666030739693", "15502932802662396215269535105521", "34059943367449284484947168626829637", "74829695578286078013428929473144712489" ]

[ "nonn", "easy" ]

42

0

1

[ "A001022", "A013752", "A013753" ]

null

N. J. A. Sloane

2024-08-30T14:31:17

oeisdata/seq/A013/A013752.seq

156d9d6e8f88ed00482a54f0dbd9bd13

A013753

a(n) = 13^(3*n + 2).

[ "169", "371293", "815730721", "1792160394037", "3937376385699289", "8650415919381337933", "19004963774880799438801", "41753905413413116367045797", "91733330193268616658399616009", "201538126434611150798503956371773", "442779263776840698304313192148785281", "972786042517719014174576083150881262357" ]

[ "nonn", "easy" ]

29

0

1

[ "A001022", "A013753" ]

null

N. J. A. Sloane

2022-09-08T08:44:38

oeisdata/seq/A013/A013753.seq

5bf6a3c3d448e5b4f81f98cb9d8be697

A013754

a(n) = 14^(3*n + 1).

[ "14", "38416", "105413504", "289254654976", "793714773254144", "2177953337809371136", "5976303958948914397184", "16398978063355821105872896", "44998795805848373114515226624", "123476695691247935826229781856256", "338820052976784335907174521413566464", "929722225368296217729286886758826377216" ]

[ "nonn", "easy" ]

27

0

1

[ "A001023", "A013754" ]

null

N. J. A. Sloane

2022-09-08T08:44:38

oeisdata/seq/A013/A013754.seq

c9cc6a2da82ea48e48573ac46b5fefc6

A013755

a(n) = 14^(3*n + 2).

[ "196", "537824", "1475789056", "4049565169664", "11112006825558016", "30491346729331195904", "83668255425284801560576", "229585692886981495482220544", "629983141281877223603213172736", "1728673739677471101567216945987584", "4743480741674980702700443299789930496" ]

[ "nonn", "easy" ]

27

0

1

[ "A001023", "A013755" ]

null

N. J. A. Sloane

2022-09-08T08:44:38

oeisdata/seq/A013/A013755.seq

ce52501cfc2b52bb46d17a08ba6dac01

A013756

a(n) = 15^(3*n + 1).

[ "15", "50625", "170859375", "576650390625", "1946195068359375", "6568408355712890625", "22168378200531005859375", "74818276426792144775390625", "252511682940423488616943359375", "852226929923929274082183837890625", "2876265888493261300027370452880859375" ]

[ "nonn", "easy" ]

24

0

1

[ "A001024", "A013756" ]

null

N. J. A. Sloane

2023-09-06T14:34:07

oeisdata/seq/A013/A013756.seq

89a98d241acca586ed595951add1f4f2

A013757

a(n) = 15^(3*n + 2).

[ "225", "759375", "2562890625", "8649755859375", "29192926025390625", "98526125335693359375", "332525673007965087890625", "1122274146401882171630859375", "3787675244106352329254150390625", "12783403948858939111232757568359375" ]

[ "nonn", "easy" ]

30

0

1

[ "A001024", "A013757" ]

null

N. J. A. Sloane

2022-09-08T08:44:38

oeisdata/seq/A013/A013757.seq

9117f66d98771204625240fc65d39b42

A013758

a(n) = 16^(3n+1).

[ "16", "65536", "268435456", "1099511627776", "4503599627370496", "18446744073709551616", "75557863725914323419136", "309485009821345068724781056", "1267650600228229401496703205376", "5192296858534827628530496329220096" ]

[ "nonn", "easy" ]

32

0

1

[ "A013758", "A013788" ]

null

N. J. A. Sloane

2022-09-08T08:44:38

oeisdata/seq/A013/A013758.seq

76f511f1856dcc5939e1ef2895b90887

A013759

a(n) = 16^(3n + 2).

[ "256", "1048576", "4294967296", "17592186044416", "72057594037927936", "295147905179352825856", "1208925819614629174706176", "4951760157141521099596496896" ]

[ "nonn", "easy" ]

21

0

1

null

N. J. A. Sloane

2023-12-04T13:48:58

oeisdata/seq/A013/A013759.seq

ca6353d1cf502b5ea293c9101cc694e7

A013760

a(n) = 17^(3*n + 1).

[ "17", "83521", "410338673", "2015993900449", "9904578032905937", "48661191875666868481", "239072435685151324847153", "1174562876521148458974062689" ]

[ "nonn", "easy" ]

23

0

1

null

N. J. A. Sloane

2022-09-08T08:44:38

oeisdata/seq/A013/A013760.seq

ed1af20d944d13f670e3ab9d3b7b964c

A013761

a(n) = 17^(3*n + 2).

[ "289", "1419857", "6975757441", "34271896307633", "168377826559400929", "827240261886336764177", "4064231406647572522401601", "19967568900859523802559065713", "98100666009922840441972689847969", "481968572106750915091411825223071697" ]

[ "nonn", "easy" ]

19

0

1

null

N. J. A. Sloane

2022-09-08T08:44:38

oeisdata/seq/A013/A013761.seq

baa84d46a045bcb743ca045a94cd1da1

A013762

a(n) = 18^(3*n + 1).

[ "18", "104976", "612220032", "3570467226624", "20822964865671168", "121439531096594251776", "708235345355337676357632", "4130428534112329328517709824", "24088659210943104643915283693568" ]

[ "nonn", "easy" ]

20

0

1

null

N. J. A. Sloane

2022-09-08T08:44:38

oeisdata/seq/A013/A013762.seq

bbe21df8f99f492778cae17b8bc51caa

A013763

a(n) = 18^(3*n + 2).

[ "324", "1889568", "11019960576", "64268410079232", "374813367582081024", "2185911559738696531968", "12748236216396078174437376", "74347713614021927913318776832", "433595865796975883590475106484224" ]

[ "nonn", "easy" ]

24

0

1

null

N. J. A. Sloane

2023-03-01T09:02:34

oeisdata/seq/A013/A013763.seq

0dcfe9e92da3e4fc4fea418e63f7af89

A013764

a(n) = 19^(3*n + 1).

[ "19", "130321", "893871739", "6131066257801", "42052983462257059", "288441413567621167681", "1978419655660313589123979", "13569980418174090907801371961", "93076495688256089536609610280499" ]

[ "nonn", "easy" ]

20

0

1

null

N. J. A. Sloane

2022-09-08T08:44:38

oeisdata/seq/A013/A013764.seq

f99b1979f7ac84c85ba2cbfd76210f94

A013765

a(n) = 19^(3*n + 2).

[ "361", "2476099", "16983563041", "116490258898219", "799006685782884121", "5480386857784802185939", "37589973457545958193355601", "257829627945307727248226067259", "1768453418076865701195582595329481" ]

[ "nonn", "easy" ]

19

0

1

null

N. J. A. Sloane

2022-09-08T08:44:38

oeisdata/seq/A013/A013765.seq

114392bad480ab4610dca02704dd6f76

A013766

a(n) = 20^(3*n + 1).

[ "20", "160000", "1280000000", "10240000000000", "81920000000000000", "655360000000000000000", "5242880000000000000000000", "41943040000000000000000000000", "335544320000000000000000000000000", "2684354560000000000000000000000000000", "21474836480000000000000000000000000000000" ]

[ "nonn", "easy" ]

27

0

1

[ "A009964", "A013730", "A013746", "A013766", "A016777" ]

null

N. J. A. Sloane

2025-03-01T23:23:35

oeisdata/seq/A013/A013766.seq

e140c84157a8170ed37fbc441b28e03b

A013767

a(n) = 20^(3*n + 2).

[ "400", "3200000", "25600000000", "204800000000000", "1638400000000000000", "13107200000000000000000", "104857600000000000000000000", "838860800000000000000000000000", "6710886400000000000000000000000000", "53687091200000000000000000000000000000", "429496729600000000000000000000000000000000" ]

[ "nonn", "easy" ]

28

0

1

[ "A009964", "A013731", "A013747", "A013767", "A016789" ]

null

N. J. A. Sloane

2025-02-27T15:16:45

oeisdata/seq/A013/A013767.seq

5ae2ed0f519962b1395ead4b85b8b389

A013768

a(n) = 21^(3*n + 1).

[ "21", "194481", "1801088541", "16679880978201", "154472377739119461", "1430568690241985328321", "13248496640331026125580781", "122694327386105632949003612841", "1136272165922724266740722458520501", "10523016528610349434285830688358359761" ]

[ "nonn", "easy" ]

21

0

1

[ "A009965", "A013768" ]

null

N. J. A. Sloane

2022-09-08T08:44:38

oeisdata/seq/A013/A013768.seq

d6c208750bf403eef1f17919f5a57c7c

A013769

a(n) = 21^(3*n + 2).

[ "441", "4084101", "37822859361", "350277500542221", "3243919932521508681", "30041942495081691894741", "278218429446951548637196401", "2576580875108218291929075869661", "23861715484377209601555171628930521", "220983347100817338120002444455525554981" ]

[ "nonn", "easy" ]

20

0

1

null

N. J. A. Sloane

2022-09-08T08:44:38

oeisdata/seq/A013/A013769.seq

8fedbd497b6c8a7cfa22c7e89d0f13e9

A013770

a(n) = 22^(3*n + 1).

[ "22", "234256", "2494357888", "26559922791424", "282810057883082752", "3011361496339065143296", "32064977213018365645815808", "341427877364219557396646723584", "3635524038174209847159494312722432", "38711059958478986452554295441868455936" ]

[ "nonn", "easy" ]

19

0

1

[ "A009966", "A013770" ]

null

N. J. A. Sloane

2022-09-08T08:44:38

oeisdata/seq/A013/A013770.seq

2931c77067fc891afeff7d2db7cdb98f

A013771

a(n) = 22^(3*n + 2).

[ "484", "5153632", "54875873536", "584318301411328", "6221821273427820544", "66249952919459433152512", "705429498686404044207947776", "7511413302012830262726227918848", "79981528839832616637508874879893504", "851643319086537701956194499721106030592" ]

[ "nonn", "easy" ]

17

0

1

[ "A009966", "A013771" ]

null

N. J. A. Sloane

2022-09-08T08:44:38

oeisdata/seq/A013/A013771.seq

cafe7edece96a832bc972b12b8cd386a

A013772

a(n) = 23^(3*n + 1).

[ "23", "279841", "3404825447", "41426511213649", "504036361936467383", "6132610415680998648961", "74615470927590710561908487", "907846434775996175406740561329", "11045767571919545466173812409689943", "134393854047545109686936775588697536481" ]

[ "nonn", "easy" ]

20

0

1

null

N. J. A. Sloane

2022-09-08T08:44:38

oeisdata/seq/A013/A013772.seq

db919a87e78ea21ae2d95fba7b120efb

A013773

a(n) = 23^(3*n + 2).

[ "529", "6436343", "78310985281", "952809757913927", "11592836324538749809", "141050039560662968926103", "1716155831334586342923895201", "20880467999847912034355032910567", "254052654154149545721997685422868689" ]

[ "nonn", "easy" ]

19

0

1

[ "A009967", "A013773" ]

null

N. J. A. Sloane

2022-09-08T08:44:38

oeisdata/seq/A013/A013773.seq

fe9dbdd2337860be063100608a09835d

A013774

a(n) = 24^(3*n + 1).

[ "24", "331776", "4586471424", "63403380965376", "876488338465357824", "12116574790945106558976", "167499529910025153071284224", "2315513501476187716057433112576", "32009658644406818986777955348250624" ]

[ "nonn", "easy" ]

19

0

1

[ "A009968", "A013774" ]

null

N. J. A. Sloane

2024-01-20T14:47:27

oeisdata/seq/A013/A013774.seq

a4706a4001b6151163184a914080755c

A013775

a(n) = 24^(3*n + 2).

[ "576", "7962624", "110075314176", "1521681143169024", "21035720123168587776", "290797794982682557415424", "4019988717840603673710821376", "55572324035428505185378394701824" ]

[ "nonn", "easy" ]

20

0

1

null

N. J. A. Sloane

2024-02-22T18:37:58

oeisdata/seq/A013/A013775.seq

75f4c6b9b7814aa964ed2c4232b3e0e7

A013776

a(n) = 2^(4*n+1).

[ "2", "32", "512", "8192", "131072", "2097152", "33554432", "536870912", "8589934592", "137438953472", "2199023255552", "35184372088832", "562949953421312", "9007199254740992", "144115188075855872", "2305843009213693952" ]

[ "nonn", "easy" ]

73

0

1

[ "A000010", "A000079", "A004171", "A013776", "A016813", "A078164", "A264960", "A307690" ]

null

N. J. A. Sloane

2022-04-17T09:22:51

oeisdata/seq/A013/A013776.seq

91b1591180f4fe7f39f39c4475f621a8

A013777

a(n) = 2^(4*n + 3).

[ "8", "128", "2048", "32768", "524288", "8388608", "134217728", "2147483648", "34359738368", "549755813888", "8796093022208", "140737488355328", "2251799813685248", "36028797018963968", "576460752303423488", "9223372036854775808", "147573952589676412928", "2361183241434822606848", "37778931862957161709568" ]

[ "nonn", "easy" ]

32

0

1

[ "A000079", "A004767", "A013777" ]

null

N. J. A. Sloane

2025-02-19T23:31:55

oeisdata/seq/A013/A013777.seq

5065ef20bc3a2f53d82a1c6d49ba7f0b

A013778

a(n) = 3^(4*n + 1).

[ "3", "243", "19683", "1594323", "129140163", "10460353203", "847288609443", "68630377364883", "5559060566555523", "450283905890997363", "36472996377170786403", "2954312706550833698643", "239299329230617529590083", "19383245667680019896796723" ]

[ "nonn", "easy" ]

32

0

1

null

N. J. A. Sloane

2023-02-26T14:46:31

oeisdata/seq/A013/A013778.seq

10a105050789463ca114f4cf19f85023

A013779

a(n) = 3^(4*n + 3).

[ "27", "2187", "177147", "14348907", "1162261467", "94143178827", "7625597484987", "617673396283947", "50031545098999707", "4052555153018976267", "328256967394537077627", "26588814358957503287787", "2153693963075557766310747" ]

[ "nonn", "easy" ]

22

0

1

[ "A000244", "A013779" ]

null

N. J. A. Sloane

2022-09-08T08:44:38

oeisdata/seq/A013/A013779.seq

9f7a9703235f30f45bb12fbbf913e2d8

A013780

a(n) = 4^(4*n + 1).

[ "4", "1024", "262144", "67108864", "17179869184", "4398046511104", "1125899906842624", "288230376151711744", "73786976294838206464", "18889465931478580854784", "4835703278458516698824704", "1237940039285380274899124224" ]

[ "nonn", "easy" ]

21

0

1

null

N. J. A. Sloane

2022-09-08T08:44:38

oeisdata/seq/A013/A013780.seq

1d19b33a28dc99555838683e8c3a2db9

A013781

a(n) = 4^(4*n + 3).

[ "64", "16384", "4194304", "1073741824", "274877906944", "70368744177664", "18014398509481984", "4611686018427387904", "1180591620717411303424", "302231454903657293676544", "77371252455336267181195264", "19807040628566084398385987584" ]

[ "nonn" ]

24

0

1

[ "A013721", "A013781" ]

null

N. J. A. Sloane

2022-09-08T08:44:38

oeisdata/seq/A013/A013781.seq

1beb3dccfa128dbb3d9d29cf864ff440

A013782

a(n) = 5^(4*n + 1).

[ "5", "3125", "1953125", "1220703125", "762939453125", "476837158203125", "298023223876953125", "186264514923095703125", "116415321826934814453125", "72759576141834259033203125", "45474735088646411895751953125" ]

[ "nonn", "easy" ]

23

0

1

[ "A000351", "A013782" ]

null

N. J. A. Sloane

2022-09-08T08:44:38

oeisdata/seq/A013/A013782.seq

155a00aafd477724b180385582aa2be2

A013783

a(n) = 5^(4*n + 3).

[ "125", "78125", "48828125", "30517578125", "19073486328125", "11920928955078125", "7450580596923828125", "4656612873077392578125", "2910383045673370361328125", "1818989403545856475830078125", "1136868377216160297393798828125" ]

[ "nonn", "easy" ]

21

0

1

[ "A000351", "A013783" ]

null

N. J. A. Sloane

2022-09-08T08:44:38

oeisdata/seq/A013/A013783.seq

9c8750e7408d0540c9907f9766428350

A013784

a(n) = 6^(4*n + 1).

[ "6", "7776", "10077696", "13060694016", "16926659444736", "21936950640377856", "28430288029929701376", "36845653286788892983296", "47751966659678405306351616", "61886548790943213277031694336", "80204967233062404407033075859456" ]

[ "nonn", "easy" ]

24

0

1

null

N. J. A. Sloane

2022-09-08T08:44:38

oeisdata/seq/A013/A013784.seq

9cb0ff3673d56e3c6cfb7304c1e43719

A013785

a(n) = 6^(4n+3).

[ "216", "279936", "362797056", "470184984576", "609359740010496", "789730223053602816", "1023490369077469249536", "1326443518324400147398656", "1719070799748422591028658176", "2227915756473955677973140996096", "2887378820390246558653190730940416" ]

[ "nonn", "easy" ]

19

0

1

null

N. J. A. Sloane

2022-09-08T08:44:38

oeisdata/seq/A013/A013785.seq

dc17846272a037929b64f14002ff2f91

A013786

a(n) = 7^(4*n + 1).

[ "7", "16807", "40353607", "96889010407", "232630513987207", "558545864083284007", "1341068619663964900807", "3219905755813179726837607", "7730993719707444524137094407", "18562115921017574302453163671207", "44567640326363195900190045974568007" ]

[ "nonn", "easy" ]

25

0

1

[ "A000420", "A013786" ]

null

N. J. A. Sloane

2024-10-04T19:08:44

oeisdata/seq/A013/A013786.seq

c35944b0186f8c7e5183a6613c091fb5

A013787

a(n) = 7^(4*n + 3).

[ "343", "823543", "1977326743", "4747561509943", "11398895185373143", "27368747340080916343", "65712362363534280139543", "157775382034845806615042743", "378818692265664781682717625943", "909543680129861140820205019889143", "2183814375991796599109312252753832343" ]

[ "nonn", "easy" ]

27

0

1

null

N. J. A. Sloane

2022-09-08T08:44:38

oeisdata/seq/A013/A013787.seq

d8fdb917686cfb59774821d2ce9bf444

A013788

a(n) = 8^(4*n + 1).

[ "8", "32768", "134217728", "549755813888", "2251799813685248", "9223372036854775808", "37778931862957161709568", "154742504910672534362390528", "633825300114114700748351602688", "2596148429267413814265248164610048", "10633823966279326983230456482242756608" ]

[ "nonn", "easy" ]

24

0

1

[ "A001018", "A013788" ]

null

N. J. A. Sloane

2022-09-08T08:44:38

oeisdata/seq/A013/A013788.seq

a6e2712cf090c36647450ea33988488a

A013789

a(n) = 8^(4*n + 3).

[ "512", "2097152", "8589934592", "35184372088832", "144115188075855872", "590295810358705651712", "2417851639229258349412352", "9903520314283042199192993792", "40564819207303340847894502572032", "166153499473114484112975882535043072" ]

[ "nonn", "easy" ]

19

0

1

[ "A001018", "A013789" ]

null

N. J. A. Sloane

2022-09-08T08:44:38

oeisdata/seq/A013/A013789.seq

29cfc11d47876b3bb3f174d2d15c8735

A013790

a(n) = 9^(4*n + 1).

[ "9", "59049", "387420489", "2541865828329", "16677181699666569", "109418989131512359209", "717897987691852588770249", "4710128697246244834921603689", "30903154382632612361920641803529", "202755595904452569706561330872953769" ]

[ "nonn", "easy" ]

23

0

1

null

N. J. A. Sloane

2022-09-08T08:44:38

oeisdata/seq/A013/A013790.seq

a2ebef1838abe0adeab3d13903bd58a5

A013791

a(n) = 9^(4*n + 3).

[ "729", "4782969", "31381059609", "205891132094649", "1350851717672992089", "8862938119652501095929", "58149737003040059690390169", "381520424476945831628649898809", "2503155504993241601315571986085849", "16423203268260658146231467800709255289" ]

[ "nonn", "easy" ]

23

0

1

[ "A001019", "A013791" ]

null

N. J. A. Sloane

2022-09-08T08:44:38

oeisdata/seq/A013/A013791.seq

5cb17361eff815368399c279077d26e7

A013792

a(n) = 10^(4*n + 1).

[ "10", "100000", "1000000000", "10000000000000", "100000000000000000", "1000000000000000000000", "10000000000000000000000000", "100000000000000000000000000000", "1000000000000000000000000000000000", "10000000000000000000000000000000000000", "100000000000000000000000000000000000000000" ]

[ "nonn", "easy" ]

24

0

1

[ "A011557", "A013715", "A013776", "A013782", "A013792", "A016813", "A098608" ]

null

N. J. A. Sloane

2024-09-07T03:22:44

oeisdata/seq/A013/A013792.seq

95a670dda78f3561174ffb81ec8806f0

A013793

a(n) = 10^(4*n + 3).

[ "1000", "10000000", "100000000000", "1000000000000000", "10000000000000000000", "100000000000000000000000", "1000000000000000000000000000", "10000000000000000000000000000000", "100000000000000000000000000000000000", "1000000000000000000000000000000000000000" ]

[ "nonn", "easy" ]

24

0

1

[ "A004767", "A011557", "A013715", "A013777", "A013783", "A013793", "A098608" ]

null

N. J. A. Sloane

2024-09-07T03:22:28

oeisdata/seq/A013/A013793.seq

6ec9253e463bd0c3edbc726085dafe00

A013794

a(n) = 11^(4n+1).

[ "11", "161051", "2357947691", "34522712143931", "505447028499293771", "7400249944258160101211", "108347059433883722041830251", "1586309297171491574414436704891", "23225154419887808141001767796309131", "340039485861577398992406882305761986971" ]

[ "nonn", "easy", "changed" ]

19

0

1

null

N. J. A. Sloane

2025-07-08T02:50:57

oeisdata/seq/A013/A013794.seq

40bf694c346306fb70403ed04ec56b71

A013795

a(n) = 11^(4*n+3).

[ "1331", "19487171", "285311670611", "4177248169415651", "61159090448414546291", "895430243255237372246531", "13109994191499930367061460371", "191943424957750480504146841291811", "2810243684806424785061213903353404851" ]

[ "nonn", "easy" ]

23

0

1

[ "A001020", "A013795" ]

null

N. J. A. Sloane

2022-09-08T08:44:38

oeisdata/seq/A013/A013795.seq

7998dd9be7bfea4c3b315eb7a4f51297

A013796

a(n) = 12^(4*n + 1).

[ "12", "248832", "5159780352", "106993205379072", "2218611106740436992", "46005119909369701466112", "953962166440690129601298432", "19781359483314150527412524285952", "410186270246002225336426103593500672", "8505622499821102144576131684114829934592" ]

[ "nonn", "easy" ]

22

0

1

null

N. J. A. Sloane

2022-09-08T08:44:38

oeisdata/seq/A013/A013796.seq

5105fc976ce6c0078b8372e78f30d7fe

A013797

a(n) = 12^(4*n + 3).

[ "1728", "35831808", "743008370688", "15407021574586368", "319479999370622926848", "6624737266949237011120128", "137370551967459378662586974208", "2848515765597237675947403497177088", "59066822915424320448445358917464096768" ]

[ "nonn", "easy" ]

19

0

1

[ "A001021", "A013797" ]

null

N. J. A. Sloane

2022-09-08T08:44:38

oeisdata/seq/A013/A013797.seq

94bd86d7be1ed5d308fa0e5f5a70e505

A013798

a(n) = 13^(4*n + 1).

[ "13", "371293", "10604499373", "302875106592253", "8650415919381337933", "247064529073450392704413", "7056410014866816666030739693", "201538126434611150798503956371773", "5756130429098929077956071497934208653" ]

[ "nonn", "easy" ]

16

0

1

[ "A001022", "A013798" ]

null

N. J. A. Sloane

2022-09-08T08:44:38

oeisdata/seq/A013/A013798.seq

53e0b0e076d01e4c28ab3528fb310283

A013799

a(n) = 13^(4*n + 3).

[ "2197", "62748517", "1792160394037", "51185893014090757", "1461920290375446110677", "41753905413413116367045797", "1192533292512492016559195008117", "34059943367449284484947168626829637", "972786042517719014174576083150881262357" ]

[ "nonn", "easy" ]

22

0

1

null

N. J. A. Sloane

2022-09-08T08:44:38

oeisdata/seq/A013/A013799.seq

f10da2c85a420c53b6a076ec8355cf87

A013800

a(n) = 14^(4*n+1).

[ "14", "537824", "20661046784", "793714773254144", "30491346729331195904", "1171355575953987221848064", "44998795805848373114515226624", "1728673739677471101567216945987584", "66408730383449729837806206197059026944" ]

[ "nonn", "easy" ]

14

0

1

null

N. J. A. Sloane

2022-09-08T08:44:38

oeisdata/seq/A013/A013800.seq

f857eda5d1a6c0f3fcd31209c37e2aa2