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
A013101
Expansion of sec(arcsinh(x) + tan(x)) (coefficients of even powers only).
[ "1", "4", "88", "5014", "527624", "89331514", "22153827556", "7576868616438", "3416549387012336", "1964348168375260594", "1402481265951220466076", "1217416473808119071396046", "1262628491065344385303595816" ]
[ "nonn" ]
15
0
2
null
null
Patrick Demichel (patrick.demichel(AT)hp.com)
2017-11-28T11:48:56
oeisdata/seq/A013/A013101.seq
3d747065d3a3d2ae8b306bb1638435a2
A013102
Expansion of e.g.f: sech(arcsinh(x)+tan(x)).
[ "1", "-4", "72", "-3414", "304696", "-43757114", "9229955724", "-2685455642198", "1030584093889104", "-504321546504212914", "306492028524272596724", "-226465717137080425353646", "199935485865217931345463224" ]
[ "sign" ]
12
0
2
null
null
Patrick Demichel (patrick.demichel(AT)hp.com)
2024-12-10T05:45:07
oeisdata/seq/A013/A013102.seq
455d60a322a48fe7defaf78b61e46a4e
A013103
exp(arcsinh(x)+arctan(x))=1+2*x+4/2!*x^2+5/3!*x^3-8/4!*x^4-55/5!*x^5...
[ "1", "2", "4", "5", "-8", "-55", "70", "1535", "-920", "-80695", "-28550", "6860075", "10642900", "-859242475", "-2554095050", "148907237375", "685535422000", "-34123911391375", "-219648785612750", "9992873727945875", "84602550046787500" ]
[ "sign" ]
4
0
2
null
null
Patrick Demichel (patrick.demichel(AT)hp.com)
2012-02-24T12:51:19
oeisdata/seq/A013/A013103.seq
c04d860972a7eaf40217a42410385e4a
A013104
sin(arcsinh(x)+arctan(x))=2*x-11/3!*x^3+185/5!*x^5-6785/7!*x^7...
[ "2", "-11", "185", "-6785", "438425", "-44098925", "6375156125", "-1253044612625", "321457635604625", "-104323833636303125", "41784590833455153125", "-20245593926258507665625", "11671970082146320158265625" ]
[ "sign" ]
4
0
1
null
null
Patrick Demichel (patrick.demichel(AT)hp.com)
2012-02-24T12:51:19
oeisdata/seq/A013/A013104.seq
277e9e1509fd8a1c86ca51193783d5d6
A013105
E.g.f.: arcsin(arcsinh(x)+arctan(x)) = 2*x + 5/3!*x^3 + 201/5!*x^5 + 16767/7!*x^7 +...
[ "2", "5", "201", "16767", "2966985", "843657003", "360874106901", "214962711675327", "170540233765256817", "173705883261260614803", "220988408403985490684493", "343398031722161543448485703", "640041489411864479945549850537" ]
[ "nonn" ]
8
1
1
null
null
Patrick Demichel (patrick.demichel(AT)hp.com)
2012-05-24T13:23:34
oeisdata/seq/A013/A013105.seq
e680fec7a95bdfed7bb45986e6969899
A013106
tan(arcsinh(x)+arctan(x))=2*x+13/3!*x^3+305/5!*x^5+15055/7!*x^7...
[ "2", "13", "305", "15055", "1273025", "164517175", "30146073425", "7436961751375", "2376178127194625", "954639310366870375", "470988100516584340625", "279956419390270100749375", "197317558974617657009890625" ]
[ "nonn" ]
7
0
1
null
null
Patrick Demichel (patrick.demichel(AT)hp.com)
2015-02-07T06:19:45
oeisdata/seq/A013/A013106.seq
2c01ba71f027acd0e9698f6c9e1ad094
A013107
arctan(arcsinh(x)+arctan(x))=2*x-19/3!*x^3+1041/5!*x^5-141489/7!*x^7...
[ "2", "-19", "1041", "-141489", "35842401", "-14587836921", "8707393003617", "-7166002987401489", "7776862795242656577", "-10760731866324884664297", "18490186709158886988610113", "-38627726709262739118225523137" ]
[ "sign" ]
6
0
1
null
null
Patrick Demichel (patrick.demichel(AT)hp.com)
2016-11-29T08:30:28
oeisdata/seq/A013/A013107.seq
019050de4a740b6c2bf6a0028bfe9fdc
A013108
cos(arcsinh(x)+arctan(x))=1-4/2!*x^2+40/4!*x^4-1030/6!*x^6+51160/8!*x^8...
[ "1", "-4", "40", "-1030", "51160", "-4176250", "507867100", "-86130937750", "19429666282000", "-5626346310003250", "2034312191276462500", "-898279284686285368750", "475692945053706430375000", "-297573010648301986578906250" ]
[ "sign" ]
6
0
2
null
null
Patrick Demichel (patrick.demichel(AT)hp.com)
2013-04-26T18:10:44
oeisdata/seq/A013/A013108.seq
e5f0654cc60c843a1fd9f8ebe96423a0
A013109
arcsinh(arcsinh(x)+arctan(x))=2*x-11/3!*x^3+441/5!*x^5-48897/7!*x^7...
[ "2", "-11", "441", "-48897", "10711449", "-3898352493", "2124846180765", "-1619764201737297", "1645104402411921297", "-2147066174256624128277", "3501336873746919748187493", "-6976563529004472877778185497" ]
[ "sign" ]
6
0
1
null
null
Patrick Demichel (patrick.demichel(AT)hp.com)
2014-07-19T18:16:11
oeisdata/seq/A013/A013109.seq
26b723b07fa1667c5d5ccc2c49986c72
A013110
tanh(arcsinh(x)+arctan(x))=2*x-19/3!*x^3+785/5!*x^5-70705/7!*x^7...
[ "2", "-19", "785", "-70705", "11020385", "-2631928825", "892329853025", "-407413940220625", "240968321541442625", "-179211927264110235625", "163684517256281564050625", "-180116677926822557970570625", "235018935742557547408645390625" ]
[ "sign" ]
4
0
1
null
null
Patrick Demichel (patrick.demichel(AT)hp.com)
2012-02-24T12:51:19
oeisdata/seq/A013/A013110.seq
7f97c33b5992b99ea0fdb388697d3df9
A013111
arctanh(arcsinh(x)+arctan(x))=2*x+13/3!*x^3+561/5!*x^5+58959/7!*x^7...
[ "2", "13", "561", "58959", "11644353", "3689490231", "1715357184849", "1099472915829519", "929329108531548417", "1001522171480774224743", "1340339793936610136490513", "2180857643900986608848041983", "4239717441519601414508854360257" ]
[ "nonn" ]
11
0
1
null
null
Patrick Demichel (patrick.demichel(AT)hp.com)
2016-11-29T08:31:27
oeisdata/seq/A013/A013111.seq
2c39f41d07203831eb88a3ae24713807
A013112
cosh(arcsinh(x)+arctan(x))=1+4/2!*x^2-8/4!*x^4+70/6!*x^6-920/8!*x^8...
[ "1", "4", "-8", "70", "-920", "-28550", "10642900", "-2554095050", "685535422000", "-219648785612750", "84602550046787500", "-38917136125065331250", "21166653214210218325000", "-13470291608750677967093750" ]
[ "sign" ]
6
0
2
null
null
Patrick Demichel (patrick.demichel(AT)hp.com)
2012-11-27T09:03:04
oeisdata/seq/A013/A013112.seq
1f6c02cfd0bc0243f34264c19bd73c39
A013113
sec(arcsinh(x)+arctan(x))=1+4/2!*x^2+56/4!*x^4+1990/6!*x^6...
[ "1", "4", "56", "1990", "130280", "13814650", "2137954100", "457685029750", "128915903246000", "46370152422675250", "20689120752785127500", "11232151174947132868750", "7281395066161326989645000", "5560840304175437693730906250" ]
[ "nonn" ]
6
0
2
null
null
Patrick Demichel (patrick.demichel(AT)hp.com)
2024-12-05T15:12:07
oeisdata/seq/A013/A013113.seq
c3a637db5591716abcbf720e6c90dfa7
A013114
sech(arcsinh(x)+arctan(x))=1-4/2!*x^2+104/4!*x^4-6790/6!*x^6...
[ "1", "-4", "104", "-6790", "827480", "-162019450", "46518314300", "-18413421592150", "9610889961530000", "-6395770003655763250", "5285420552751908562500", "-5310341702734086669088750", "6374725468204682712703775000" ]
[ "sign" ]
6
0
2
null
null
Patrick Demichel (patrick.demichel(AT)hp.com)
2020-03-21T14:48:13
oeisdata/seq/A013/A013114.seq
d7871c3d4419eb2461d472ce76fb14b7
A013115
log(arcsinh(x)+cos(x)) = x-2/2!*x^2+4/3!*x^3-16/4!*x^4+88/5!*x^5...
[ "0", "1", "-2", "4", "-16", "88", "-560", "4184", "-37952", "398848", "-4613632", "58835456", "-835257344", "12993783424", "-217535518720", "3911934210560", "-75654182936576", "1562951627091968", "-34235182359642112", "793328025614454784" ]
[ "sign" ]
10
0
3
null
null
Patrick Demichel (patrick.demichel(AT)hp.com)
2013-11-01T15:26:23
oeisdata/seq/A013/A013115.seq
68f2703f7db5d256b77ff23664553474
A013116
exp(arcsinh(x)+sinh(x))=1+2*x+4/2!*x^2+8/3!*x^3+16/4!*x^4+42/5!*x^5...
[ "1", "2", "4", "8", "16", "42", "184", "744", "1152", "-558", "99744", "924904", "-5133696", "-83024966", "906195840", "14896602184", "-171321409536", "-3277450732382", "44275226644992", "942900995465032", "-14354506519279616", "-338298547449554102" ]
[ "sign" ]
9
0
2
null
null
Patrick Demichel (patrick.demichel(AT)hp.com)
2013-11-01T14:16:23
oeisdata/seq/A013/A013116.seq
90d8751507d2ea2c556df28befdc8861
A013117
exp(tanh(x)+log(x+1))=1+2*x+3/2!*x^2+2/3!*x^3-11/4!*x^4-38/5!*x^5...
[ "1", "2", "3", "2", "-11", "-38", "79", "954", "137", "-33582", "-96741", "1555666", "10865661", "-86780822", "-1244836953", "4930566346", "162614558865", "-100938990558", "-24583330322637", "-71145784216286", "4265463634593925", "30382485085757818" ]
[ "sign" ]
4
0
2
null
null
Patrick Demichel (patrick.demichel(AT)hp.com)
2012-02-24T12:51:19
oeisdata/seq/A013/A013117.seq
c98b17c15eed28aa758eae1ca06aaa0c
A013118
Expansion of e.g.f. sin(tanh(x) + log(x+1)).
[ "0", "2", "-1", "-8", "18", "42", "15", "-3460", "16492", "16890", "286155", "-12520400", "99727254", "-271849550", "6922105827", "-197946213020", "2348657908440", "-19619328534222", "396132741200439", "-9735975917400728", "156971908263615450", "-2248810586848724102", "48167349073405076823", "-1170896255906195317300" ]
[ "sign" ]
11
0
2
null
null
Patrick Demichel (patrick.demichel(AT)hp.com)
2018-07-31T09:59:27
oeisdata/seq/A013/A013118.seq
2abc5f020475fd43eebf0615be5700cd
A013119
E.g.f. arcsin(tanh(x)+log(x+1)) = 2*x - 1/2!*x^2 + 8/3!*x^3 - 30/4!*x^4 +- ...
[ "0", "2", "-1", "8", "-30", "358", "-2655", "41428", "-511980", "9864538", "-171757845", "3961279808", "-88981176570", "2406642164782", "-65936688564747", "2056690243987468", "-66255959470897560", "2349481394958302898", "-86780043600660006633" ]
[ "sign" ]
14
0
2
null
null
Patrick Demichel (patrick.demichel(AT)hp.com)
2013-11-21T12:46:02
oeisdata/seq/A013/A013119.seq
3dac6e797f1eb743e8054b0ff9a729c2
A013120
Expansion of e.g.f. tan(tanh(x) + log(x+1)).
[ "0", "2", "-1", "16", "-54", "612", "-4710", "57944", "-683144", "10015344", "-154359720", "2701047424", "-50673755088", "1040194570144", "-22870244075952", "540441764640064", "-13599312731310720", "363949691199176448", "-10307618997050443392" ]
[ "sign" ]
9
0
2
null
null
Patrick Demichel (patrick.demichel(AT)hp.com)
2022-07-22T18:33:09
oeisdata/seq/A013/A013120.seq
2108dd5c9f3aaaeae2ec1e2150c48058
A013121
Expansion of e.g.f. arctan(tanh(x) + log(x+1)).
[ "0", "2", "-1", "-16", "42", "748", "-5130", "-80792", "1139880", "15089632", "-401063040", "-3986514112", "203199458880", "1170901443424", "-139120136531376", "-67846807312832", "122712218206730880", "-762584236008814848" ]
[ "sign" ]
9
0
2
null
null
Patrick Demichel (patrick.demichel(AT)hp.com)
2018-07-31T18:38:27
oeisdata/seq/A013/A013121.seq
99d7358016164193f99a86295f59fa25
A013122
cos(tanh(x)+log(x+1))=1-4/2!*x^2+6/3!*x^3+13/4!*x^4-20/5!*x^5...
[ "1", "0", "-4", "6", "13", "-20", "-454", "1302", "13213", "-57528", "-566304", "1146750", "83953137", "-715819260", "590760166", "-61357519650", "2337988853657", "-32573393982320", "362267655859524", "-8238027536343882", "209882071249912757" ]
[ "sign" ]
4
0
3
null
null
Patrick Demichel (patrick.demichel(AT)hp.com)
2012-02-24T12:51:19
oeisdata/seq/A013/A013122.seq
d266c06a627df6027f2bc642d5574af3
A013123
Expansion of e.g.f. sinh(tanh(x) + log(x+1)).
[ "0", "2", "-1", "8", "-30", "102", "-735", "6036", "-43372", "366666", "-3909645", "43735936", "-509688234", "6614683246", "-93752033739", "1403126034316", "-22351107663000", "380878785320338", "-6864318972384345", "130206659362724728" ]
[ "sign" ]
7
0
2
null
null
Patrick Demichel (patrick.demichel(AT)hp.com)
2018-07-31T18:43:43
oeisdata/seq/A013/A013123.seq
0d17f2709c5207ee7b398e8c8ab9fac0
A013124
Expansion of e.g.f. arcsinh(tanh(x) + log(x+1)).
[ "0", "2", "-1", "-8", "18", "298", "-1905", "-25412", "350700", "4095754", "-108856125", "-940845072", "49635561030", "233977315570", "-31129149144093", "12883816215268", "25437319822551000", "-179134252641817006", "-25989451309294893657" ]
[ "sign" ]
7
0
2
null
null
Patrick Demichel (patrick.demichel(AT)hp.com)
2018-07-31T18:43:51
oeisdata/seq/A013/A013124.seq
15a74ed454ddf09f92709ba2525054dc
A013125
Expansion of E.g.f.: tanh(tanh(x)+log(x+1))=2*x-1/2!*x^2-16/3!*x^3+42/4!*x^4+492/5!*x^5...
[ "0", "2", "-1", "-16", "42", "492", "-3210", "-30168", "404264", "2783952", "-75206520", "-292604288", "19217701008", "3111794272", "-6389076941520", "29520888356032", "2643629755167360", "-29037077579992832", "-1307061634619873664" ]
[ "sign" ]
6
0
2
null
null
Patrick Demichel (patrick.demichel(AT)hp.com)
2018-05-27T11:06:22
oeisdata/seq/A013/A013125.seq
0f8183e6c37e0f653c50e1ae433d1174
A013126
cosh(tanh(x)+log(x+1))=1+4/2!*x^2-6/3!*x^3+19/4!*x^4-140/5!*x^5...
[ "1", "0", "4", "-6", "19", "-140", "814", "-5082", "43509", "-400248", "3812904", "-42180270", "520553895", "-6701464068", "92507196786", "-1398195467970", "22513722221865", "-380979724310896", "6839735642061708", "-130277805146941014" ]
[ "sign" ]
4
0
3
null
null
Patrick Demichel (patrick.demichel(AT)hp.com)
2012-02-24T12:51:19
oeisdata/seq/A013/A013126.seq
49ba0b35909b8dbed194989fee599a60
A013127
Expansion of e.g.f.: sec(tanh(x)+log(x+1))=1+4/2!*x^2-6/3!*x^3+83/4!*x^4-460/5!*x^5...
[ "1", "0", "4", "-6", "83", "-460", "5374", "-52962", "711833", "-9731160", "156311784", "-2676262710", "50867352939", "-1037096208564", "22896291533210", "-539916293280210", "13603842760270129", "-363832977079307248", "10308592491205055532" ]
[ "sign" ]
6
0
3
null
null
Patrick Demichel (patrick.demichel(AT)hp.com)
2023-02-27T10:52:14
oeisdata/seq/A013/A013127.seq
5f484e343d8991e0caad29fc7dc96095
A013128
Expansion of e.g.f.: sech(tanh(x)+log(x+1))=1-4/2!*x^2+6/3!*x^3+77/4!*x^4-340/5!*x^5...
[ "1", "0", "-4", "6", "77", "-340", "-3574", "34062", "278337", "-5275800", "-28795584", "1159543110", "2472700941", "-340042014156", "704790251070", "126778070956110", "-958235638366239", "-57637006798322672", "866891599173180708" ]
[ "sign" ]
6
0
3
null
null
Patrick Demichel (patrick.demichel(AT)hp.com)
2018-07-11T12:07:25
oeisdata/seq/A013/A013128.seq
c1a2fddaf2480bb0df1b55fc7d1f2336
A013129
Expansion of e.g.f.: exp(tanh(x)+sin(x))=1+2*x+4/2!*x^2+5/3!*x^3-8/4!*x^4-71/5!*x^5...
[ "1", "2", "4", "5", "-8", "-71", "-122", "863", "5352", "-11207", "-239494", "-103541", "14203028", "49174077", "-1067540778", "-8312033249", "94081990576", "1398228044113", "-8737926966734", "-258914411211565", "612930093492268", "53899233359866405" ]
[ "sign" ]
6
0
2
null
null
Patrick Demichel (patrick.demichel(AT)hp.com)
2022-06-22T10:10:52
oeisdata/seq/A013/A013129.seq
94ca45947ce157eb6fd54730f49944c2
A013130
arcsin(tanh(x)+sin(x))=2*x+5/3!*x^3+185/5!*x^5+16095/7!*x^7...
[ "2", "5", "185", "16095", "2778425", "787492235", "333091515965", "196604887454175", "154421803574964305", "155738815364225864915", "196154237311733664577445", "301759169017942105204192455", "556786733540782098106300699385" ]
[ "nonn" ]
4
0
1
null
null
Patrick Demichel (patrick.demichel(AT)hp.com)
2012-02-24T12:51:20
oeisdata/seq/A013/A013130.seq
38d84539e5c8ac35cbffd977346fb791
A013131
Expansion of e.g.f.: exp(tanh(x)+arcsin(x))=1+2*x+4/2!*x^2+7/3!*x^3+8/4!*x^4+17/5!*x^5...
[ "1", "2", "4", "7", "8", "17", "214", "1761", "8632", "38969", "381754", "5371821", "56522540", "533244077", "6087452310", "95701880241", "1458087413200", "21713687902033", "333863833250482", "6101409790911765", "114840891055289940", "2263678163011472213" ]
[ "nonn" ]
6
0
2
null
null
Patrick Demichel (patrick.demichel(AT)hp.com)
2015-03-04T17:56:26
oeisdata/seq/A013/A013131.seq
125ae67abcdf73c97f41a59efe265767
A013132
sin(tanh(x)+arcsin(x))=2*x-9/3!*x^3+97/5!*x^5-2975/7!*x^7...
[ "2", "-9", "97", "-2975", "114217", "-8693355", "641356549", "-99659748575", "10015783072433", "-3322983000373651", "246472578957172573", "-288961675751112506727", "-23857648902841926624247" ]
[ "sign" ]
4
0
1
null
null
Patrick Demichel (patrick.demichel(AT)hp.com)
2012-02-24T12:51:20
oeisdata/seq/A013/A013132.seq
9876753cd50922b1c1e0f6a59a141945
A013133
exp(tanh(x)+tan(x))=1+2*x+4/2!*x^2+8/3!*x^3+16/4!*x^4+64/5!*x^5...
[ "1", "2", "4", "8", "16", "64", "448", "2816", "14592", "80896", "705536", "7278592", "65245184", "532070400", "5385535488", "71008190464", "910402060288", "10323887915008", "124371776831488", "1895043049717760", "30930578556583936" ]
[ "nonn" ]
4
0
2
null
null
Patrick Demichel (patrick.demichel(AT)hp.com)
2012-02-24T12:51:20
oeisdata/seq/A013/A013133.seq
c95adb46b96ae9a46db933e6f851d454
A013134
sin(tanh(x)+tan(x))=2*x-8/3!*x^3+64/5!*x^5-2816/7!*x^7+80896/9!*x^9...
[ "2", "-8", "64", "-2816", "80896", "-7278592", "532070400", "-71008190464", "10323887915008", "-1895043049717760", "458133970106712064", "-113313946829854867456", "40093022675430493126656", "-13211730725723035930722304" ]
[ "sign" ]
6
0
1
null
null
Patrick Demichel (patrick.demichel(AT)hp.com)
2015-11-25T10:01:21
oeisdata/seq/A013/A013134.seq
fed0ac687e20b22af8b136f49db22d68
A013135
arcsin(tanh(x)+tan(x))=2*x+8/3!*x^3+320/5!*x^5+31488/7!*x^7...
[ "2", "8", "320", "31488", "6241280", "2048135168", "1005768458240", "690254567374848", "630909848433459200", "740848367450511638528", "1086821026187766828892160", "1947858113799053357202014208", "4187952101776996175279418245120" ]
[ "nonn" ]
4
0
1
null
null
Patrick Demichel (patrick.demichel(AT)hp.com)
2012-02-24T12:51:20
oeisdata/seq/A013/A013135.seq
ac6b205733b16e77eb73cc37257637d3
A013136
tan(tanh(x)+tan(x))=2*x+16/3!*x^3+544/5!*x^5+40192/7!*x^7...
[ "2", "16", "544", "40192", "5111296", "994586624", "274584084480", "102058445570048", "49134745327894528", "29743376752794664960", "22111413979264501940224", "19803614205698007369777152", "21031646806008885489451401216" ]
[ "nonn" ]
9
0
1
null
null
Patrick Demichel (patrick.demichel(AT)hp.com)
2015-02-07T06:26:35
oeisdata/seq/A013/A013136.seq
51ab1b2fd74a6b0826fe45f426ac308f
A013137
arctan(tanh(x)+tan(x))=2*x-16/3!*x^3+800/5!*x^5-97536/7!*x^7...
[ "2", "-16", "800", "-97536", "22208000", "-8125689856", "4360566579200", "-3226435003416576", "3148058338141798400", "-3916271639106285469696", "6050134274987713730969600", "-11363591103950667093393801216" ]
[ "sign" ]
4
0
1
null
null
Patrick Demichel (patrick.demichel(AT)hp.com)
2012-02-24T12:51:20
oeisdata/seq/A013/A013137.seq
64920e5f52e6cea0201e65832f7e0450
A013138
cos(tanh(x)+tan(x))=1-4/2!*x^2+16/4!*x^4-448/6!*x^6+14592/8!*x^8...
[ "1", "-4", "16", "-448", "14592", "-705536", "65245184", "-5385535488", "910402060288", "-124371776831488", "30930578556583936", "-6638266678020931584", "2186545615284171964416", "-694382737827711997181952" ]
[ "sign" ]
6
0
2
null
null
Patrick Demichel (patrick.demichel(AT)hp.com)
2024-09-21T17:12:56
oeisdata/seq/A013/A013138.seq
4d7366ff8faff4647eef459caa21763a
A013139
sec(tanh(x)+tan(x))=1+4/2!*x^2+80/4!*x^4+4288/6!*x^6+426240/8!*x^8...
[ "1", "4", "80", "4288", "426240", "67920896", "15873495040", "5113806962688", "2172417489305600", "1176644688113041408", "791421023406538096640", "647183647775891247857664", "632330839348840678513704960" ]
[ "nonn" ]
6
0
2
null
null
Patrick Demichel (patrick.demichel(AT)hp.com)
2023-02-21T11:33:02
oeisdata/seq/A013/A013139.seq
1e80da0c8e0da3550cb9a624f35eefd6
A013140
exp(tanh(x)+arctan(x))=1+2*x+4/2!*x^2+4/3!*x^3-16/4!*x^4-88/5!*x^5...
[ "1", "2", "4", "4", "-16", "-88", "64", "2496", "4096", "-106624", "-480896", "6875136", "54717440", "-673392640", "-7775895552", "99550288896", "1454255472640", "-21279326830592", "-360442602684416", "6159283224084480", "116460747215831040" ]
[ "sign" ]
4
0
2
null
null
Patrick Demichel (patrick.demichel(AT)hp.com)
2012-02-24T12:51:20
oeisdata/seq/A013/A013140.seq
c546f7bcc60440b87b65de97a2eb98ad
A013141
sin(tanh(x)+arctan(x))=2*x-12/3!*x^3+232/5!*x^5-8960/7!*x^7...
[ "2", "-12", "232", "-8960", "580480", "-57192960", "8028368896", "-1530617461760", "381866595811328", "-120993556601405440", "47505188434021777408", "-22644967739703901421568", "12882783407125570011004928" ]
[ "sign" ]
6
0
1
null
null
Patrick Demichel (patrick.demichel(AT)hp.com)
2018-05-11T13:57:05
oeisdata/seq/A013/A013141.seq
a3cb22eeb30f99e39d868d7bc4ee4548
A013142
arcsin(tanh(x)+arctan(x))=2*x+4/3!*x^3+168/5!*x^5+13248/7!*x^7...
[ "2", "4", "168", "13248", "2226048", "599902208", "243130652672", "137141067373568", "103018549675327488", "99335294756500832256", "119626550900969898049536", "175950984763936427137433600", "310396731889156481163306991616" ]
[ "nonn" ]
6
0
1
null
null
Patrick Demichel (patrick.demichel(AT)hp.com)
2014-12-16T17:14:01
oeisdata/seq/A013/A013142.seq
b1dedc518c41b1387286c701a39ee786
A013143
tan(tanh(x)+arctan(x))=2*x+12/3!*x^3+232/5!*x^5+9184/7!*x^7...
[ "2", "12", "232", "9184", "628864", "65666304", "9724490752", "1938995759104", "500703018057728", "162578867050250240", "64828188125105225728", "31143422445257665019904", "17740655235950956739821568" ]
[ "nonn" ]
8
0
1
null
null
Patrick Demichel (patrick.demichel(AT)hp.com)
2015-02-07T06:40:53
oeisdata/seq/A013/A013143.seq
40a833e39624d1f81c178dfb454645cd
A013144
arctan(tanh(x)+arctan(x))=2*x-20/3!*x^3+1128/5!*x^5-158112/7!*x^7...
[ "2", "-20", "1128", "-158112", "41334912", "-17364051712", "10697958401024", "-9087507664709632", "10179531541621604352", "-14538540850131730563072", "25785525466844174964228096", "-55601885971190702384095952896" ]
[ "sign" ]
6
0
1
null
null
Patrick Demichel (patrick.demichel(AT)hp.com)
2016-11-29T08:33:06
oeisdata/seq/A013/A013144.seq
95bdc4e2ada2f07694b1ea447a90c8c3
A013145
E.g.f.: cos(tanh(x)+arctan(x))=1-4/2!*x^2+48/4!*x^4-1344/6!*x^6+68096/8!*x^8...
[ "1", "-4", "48", "-1344", "68096", "-5489024", "649853952", "-106867367936", "23404867387392", "-6602987646386176", "2335532843551916032", "-1012790947054260453376", "528471932766276016930816", "-326628755754313262527676416", "235945768815569189548314329088" ]
[ "sign" ]
6
0
2
null
null
Patrick Demichel (patrick.demichel(AT)hp.com)
2012-08-28T13:11:47
oeisdata/seq/A013/A013145.seq
2f2183f0c465ea2794e0266e6b9a2120
A013146
sinh(tanh(x)+arctan(x))=2*x+4/3!*x^3-88/5!*x^5+2496/7!*x^7...
[ "2", "4", "-88", "2496", "-106624", "6875136", "-673392640", "99550288896", "-21279326830592", "6159283224084480", "-2276409633583071232", "1031635526526543462400", "-558671488143239984709632", "355396466132997594824048640" ]
[ "sign" ]
6
0
1
null
null
Patrick Demichel (patrick.demichel(AT)hp.com)
2024-11-17T12:49:53
oeisdata/seq/A013/A013146.seq
8abcf7274a8bb3c10ec12b9292f813d0
A013147
arcsinh(tanh(x)+arctan(x))=2*x-12/3!*x^3+488/5!*x^5-55552/7!*x^7...
[ "2", "-12", "488", "-55552", "12546944", "-4711567872", "2650074624000", "-2084720933010432", "2185097305985613824", "-2943182792681798926336", "4953485656236312191369216", "-10186669183126638973192372224" ]
[ "sign" ]
6
0
1
null
null
Patrick Demichel (patrick.demichel(AT)hp.com)
2015-06-17T15:38:20
oeisdata/seq/A013/A013147.seq
900cf2a71248892e6a8a8250236ec55b
A013148
tanh(tanh(x)+arctan(x))=2*x-20/3!*x^3+872/5!*x^5-82848/7!*x^7...
[ "2", "-20", "872", "-82848", "13615232", "-3427600128", "1224824628224", "-589372636243968", "367372633732907008", "-287938978919399424000", "277156456747324043952128", "-321405895510495023427223552" ]
[ "sign" ]
6
0
1
null
null
Patrick Demichel (patrick.demichel(AT)hp.com)
2025-03-21T18:48:49
oeisdata/seq/A013/A013148.seq
4a9466f3c02b48a5e7ab673ebd5adaad
A013149
cosh(tanh(x)+arctan(x))=1+4/2!*x^2-16/4!*x^4+64/6!*x^6+4096/8!*x^8...
[ "1", "4", "-16", "64", "4096", "-480896", "54717440", "-7775895552", "1454255472640", "-360442602684416", "116460747215831040", "-47685470462142971904", "24020257118743960748032", "-14514884376044102613991424" ]
[ "sign" ]
6
0
2
null
null
Patrick Demichel (patrick.demichel(AT)hp.com)
2021-12-13T16:32:17
oeisdata/seq/A013/A013149.seq
58b99e2b0e8061303e2d962e03a49825
A013150
sec(tanh(x)+arctan(x))=1+4/2!*x^2+48/4!*x^4+1344/6!*x^6+71680/8!*x^8...
[ "1", "4", "48", "1344", "71680", "6134144", "766639104", "132845576192", "30189756186624", "8791995173601280", "3164834039610834944", "1391075516277863612416", "727593505575051704926208", "449845963881833812549697536" ]
[ "nonn" ]
6
0
2
null
null
Patrick Demichel (patrick.demichel(AT)hp.com)
2024-01-17T14:50:05
oeisdata/seq/A013/A013150.seq
8b124d4ed2be871acc13e8d7839eb495
A013151
sech(tanh(x)+arctan(x))=1-4/2!*x^2+112/4!*x^4-7744/6!*x^6...
[ "1", "-4", "112", "-7744", "995840", "-205558144", "62203595776", "-25948859891712", "14273513699311616", "-10010170584339742720", "8717845696617764192256", "-9230668213290446763196416", "11677592409577212192402440192" ]
[ "sign" ]
4
0
2
null
null
Patrick Demichel (patrick.demichel(AT)hp.com)
2012-02-24T12:51:21
oeisdata/seq/A013/A013151.seq
9297856e784009d0d52bfa920e674d6f
A013152
E.g.f.: log(tanh(x)+cos(x))=x-2/2!*x^2+3/3!*x^3-12/4!*x^4+65/5!*x^5...
[ "0", "1", "-2", "3", "-12", "65", "-392", "2723", "-23072", "226785", "-2475392", "29857443", "-397554432", "5785047905", "-91112993792", "1544546456963", "-28059800686592", "543833037679425", "-11198270349934592", "244141035610073283" ]
[ "sign" ]
11
0
3
null
null
Patrick Demichel (patrick.demichel(AT)hp.com)
2012-07-21T11:26:47
oeisdata/seq/A013/A013152.seq
70b33754888657b2f414e374f27a37bc
A013153
Expansion of e.g.f.: exp(tanh(x)+sinh(x))=1+2*x+4/2!*x^2+7/3!*x^3+8/4!*x^4+9/5!*x^5...
[ "1", "2", "4", "7", "8", "9", "118", "865", "1912", "-12375", "-53094", "848621", "7487532", "-34580971", "-722809274", "1631142593", "92118225104", "100600927153", "-13286089862286", "-62231815768555", "2227449108601940", "20774283625070381" ]
[ "sign" ]
6
0
2
null
null
Patrick Demichel (patrick.demichel(AT)hp.com)
2019-04-29T08:14:18
oeisdata/seq/A013/A013153.seq
aae84b4e68f325d7a7c42177ef80f5d8
A013154
exp(tanh(x)+arcsinh(x)) = 1+2*x+4/2!*x^2+5/3!*x^3-8/4!*x^4-63/5!*x^5...
[ "1", "2", "4", "5", "-8", "-63", "-26", "1311", "4008", "-40503", "-288486", "1746571", "23670420", "-107820971", "-2395713498", "11358568591", "304636017840", "-2325027955727", "-49472656345230", "758733754118995", "10516377983584300" ]
[ "sign" ]
13
0
2
null
null
Patrick Demichel (patrick.demichel(AT)hp.com)
2013-11-01T18:48:14
oeisdata/seq/A013/A013154.seq
90e9e64094ea6c2133ea1c207bfcd204
A013155
Expansion of e.g.f. exp(arctanh(x)+log(x+1)).
[ "1", "2", "3", "6", "21", "90", "495", "3150", "23625", "198450", "1885275", "19646550", "225935325", "2809456650", "37927664775", "547844046750", "8491582724625", "139700231921250", "2444754058621875", "45123174910563750", "879901910755993125", "18004146789314936250", "387089155970271129375", "8696002899239114208750" ]
[ "nonn" ]
18
0
2
[ "A013155", "A079484" ]
null
Patrick Demichel (patrick.demichel(AT)hp.com)
2024-01-05T14:49:31
oeisdata/seq/A013/A013155.seq
92fee3c55e9770c4a05eff4fa7e68376
A013156
sin(arctanh(x) + log(x+1)) = 2*x - 1/2!*x^2 - 4/3!*x^3 + 18/4!*x^4 - 110/5!*x^5 + ...
[ "0", "2", "-1", "-4", "18", "-110", "495", "-3560", "19180", "-175670", "1060875", "-12405100", "74505750", "-1145912950", "5007404675", "-121546204000", "-249464553000", "-9910138520750", "-387578487479625", "2249416271459500", "-229283516527763750" ]
[ "sign" ]
9
0
2
null
null
Patrick Demichel (patrick.demichel(AT)hp.com)
2013-04-20T13:21:00
oeisdata/seq/A013/A013156.seq
135115c2ed12148fc3712e25b649acc1
A013157
Expansion of e.g.f.: arcsin(arctanh(x)+log(x+1))=2*x-1/2!*x^2+12/3!*x^3-30/4!*x^4+526/5!*x^5...
[ "0", "2", "-1", "12", "-30", "526", "-3135", "65912", "-693868", "16780042", "-263534805", "7241447268", "-153049925754", "4746451931334", "-126285481689003", "4393248761465712", "-140634651688634520", "5453436399167044242", "-203461284207097440873" ]
[ "sign" ]
6
0
2
null
null
Patrick Demichel (patrick.demichel(AT)hp.com)
2018-05-20T11:40:23
oeisdata/seq/A013/A013157.seq
3f06f5270acf05bc6cd9cb731e6e4b93
A013158
Expansion of e.g.f. tan(arctanh(x) + log(x+1)).
[ "0", "2", "-1", "20", "-54", "940", "-5670", "101440", "-1011080", "19618000", "-276748200", "5948856800", "-108391285200", "2598850748000", "-57723908897200", "1543071734672000", "-40212272774544000", "1193617208821024000" ]
[ "sign" ]
9
0
2
null
null
Patrick Demichel (patrick.demichel(AT)hp.com)
2019-12-12T13:30:41
oeisdata/seq/A013/A013158.seq
29ea0e95116e90d57472f42fbfa79f50
A013159
arctan(arctanh(x)+log(x+1))=2*x-1/2!*x^2-12/3!*x^3+42/4!*x^4+436/5!*x^5...
[ "0", "2", "-1", "-12", "42", "436", "-4170", "-32704", "751016", "3283072", "-209162880", "86913024", "81648502848", "-575015877024", "-41409311392176", "689874309603456", "25412078270229120", "-812967446932685568", "-17148064731893670528" ]
[ "sign" ]
6
0
2
null
null
Patrick Demichel (patrick.demichel(AT)hp.com)
2016-11-29T08:37:19
oeisdata/seq/A013/A013159.seq
b05b48cc5f42dac0d833ce047c98dc2f
A013160
cos(arctanh(x)+log(x+1))=1-4/2!*x^2+6/3!*x^3-19/4!*x^4+20/5!*x^5...
[ "1", "0", "-4", "6", "-19", "20", "-70", "-1050", "7645", "-125640", "1074400", "-15186050", "154663825", "-2302431300", "27387957350", "-445100087250", "6069674521625", "-108269831098000", "1666530849522500", "-32533793834402250" ]
[ "sign" ]
4
0
3
null
null
Patrick Demichel (patrick.demichel(AT)hp.com)
2012-02-24T12:51:21
oeisdata/seq/A013/A013160.seq
a2d7757464e7bde5841ca2dec1859696
A013161
Expansion of e.g.f. sinh(arctanh(x) + log(x+1)).
[ "0", "2", "-1", "12", "-30", "270", "-1215", "12600", "-81900", "992250", "-8434125", "117879300", "-1237732650", "19666196550", "-245827456875", "4382752374000", "-63549909423000", "1257302087291250", "-20745484440305625", "451231749105637500" ]
[ "sign" ]
9
0
2
null
null
Patrick Demichel (patrick.demichel(AT)hp.com)
2024-02-01T17:52:48
oeisdata/seq/A013/A013161.seq
ead6911bc6640c71e773c4b535dd21b2
A013162
Expansion of e.g.f. arcsinh(arctanh(x) + log(x+1)).
[ "0", "2", "-1", "-4", "18", "146", "-1425", "-7592", "210028", "559322", "-50827005", "106120692", "17584275654", "-154934766198", "-8006009893245", "152561646167328", "4407064919207640", "-159846661630850958", "-2597264235213998553" ]
[ "sign" ]
9
0
2
null
null
Patrick Demichel (patrick.demichel(AT)hp.com)
2025-03-28T15:35:44
oeisdata/seq/A013/A013162.seq
5df36c0099f2dd1a0ef68c96720837b4
A013163
Expansion of e.g.f.: arctanh(arctanh(x)+log(x+1))=2*x-1/2!*x^2+20/3!*x^3-54/4!*x^4...
[ "0", "2", "-1", "20", "-54", "1196", "-7590", "183424", "-2024456", "53868512", "-879522480", "25940060736", "-567297596448", "18589297654560", "-510176264397072", "18555679255219584", "-611191404598032000", "24595483932280127232" ]
[ "sign" ]
11
0
2
null
null
Patrick Demichel (patrick.demichel(AT)hp.com)
2016-10-04T11:29:37
oeisdata/seq/A013/A013163.seq
e87fb6bd9e7dc2370093177074921368
A013164
cosh(arctanh(x)+log(x+1))=1+4/2!*x^2-6/3!*x^3+51/4!*x^4-180/5!*x^5...
[ "1", "0", "4", "-6", "51", "-180", "1710", "-9450", "105525", "-793800", "10319400", "-98232750", "1463667975", "-16856739900", "283755121650", "-3834908327250", "72041492147625", "-1117601855370000", "23190238498927500", "-406108574195073750" ]
[ "sign" ]
4
0
3
null
null
Patrick Demichel (patrick.demichel(AT)hp.com)
2012-02-24T12:51:21
oeisdata/seq/A013/A013164.seq
8ede827b736f84d4ab00a0e578a07363
A013165
sec(arctanh(x)+log(x+1))=1+4/2!*x^2-6/3!*x^3+115/4!*x^4-500/5!*x^5...
[ "1", "0", "4", "-6", "115", "-500", "8830", "-70770", "1316825", "-15886440", "324218600", "-5249917750", "119185529675", "-2412502361100", "61104527105050", "-1476059511449250", "41607421213320625", "-1162370434739930000" ]
[ "sign" ]
4
0
3
null
null
Patrick Demichel (patrick.demichel(AT)hp.com)
2012-02-24T12:51:21
oeisdata/seq/A013/A013165.seq
460ee7d711a7bd8a1c44557b2324b0f5
A013166
Expansion of e.g.f.: sech(arctanh(x)+log(x+1))=1-4/2!*x^2+6/3!*x^3+45/4!*x^4-300/5!*x^5...
[ "1", "0", "-4", "6", "45", "-300", "-630", "18270", "-44415", "-1428840", "13608000", "106964550", "-3044747475", "2748645900", "674525001150", "-6848689097250", "-138141621993375", "3761985048822000", "12387014410270500", "-1765001060909336250" ]
[ "sign" ]
6
0
3
null
null
Patrick Demichel (patrick.demichel(AT)hp.com)
2019-01-10T12:08:37
oeisdata/seq/A013/A013166.seq
a5f5ae53e1a259962caa5ab4b493f7b0
A013167
Expansion of e.g.f. log(arctanh(x) + exp(x)).
[ "0", "2", "-3", "13", "-74", "573", "-5414", "61787", "-817144", "12374569", "-210429994", "3978169039", "-82685370668", "1875127830925", "-46061020851390", "1218540977107971", "-34537657596434704", "1044190509028339409", "-33542143648555416402" ]
[ "sign" ]
7
0
2
null
null
Patrick Demichel (patrick.demichel(AT)hp.com)
2018-07-31T22:34:17
oeisdata/seq/A013/A013167.seq
370ca5ac4e6f42eb4e00f0bd297aad8a
A013168
exp(arctanh(x)+sin(x))=1+2*x+4/2!*x^2+9/3!*x^3+24/4!*x^4+97/5!*x^5...
[ "1", "2", "4", "9", "24", "97", "534", "3647", "27272", "232345", "2170874", "22882827", "260563908", "3272680621", "43811275382", "637916495327", "9816624434928", "162606798592913", "2827858695802930", "52505736635681875", "1018209224687676028" ]
[ "nonn" ]
9
0
2
null
null
Patrick Demichel (patrick.demichel(AT)hp.com)
2013-10-24T17:01:32
oeisdata/seq/A013/A013168.seq
2018118b882ac7c37fe7b0d0c9639949
A013169
arcsin(arctanh(x)+sin(x))=2*x+9/3!*x^3+353/5!*x^5+36799/7!*x^7...
[ "2", "9", "353", "36799", "7537817", "2561794059", "1303341700269", "927157598991519", "878628923948350097", "1069855675293079408723", "1627609755057103980327221", "3025319595854386788906432711", "6746132863265524117134837248601" ]
[ "nonn" ]
6
0
1
null
null
Patrick Demichel (patrick.demichel(AT)hp.com)
2014-09-14T09:24:18
oeisdata/seq/A013/A013169.seq
824ace5a317e822bc2af565a64d2d683
A013170
Expansion of e.g.f.: exp(arctanh(x)+arcsin(x)).
[ "1", "2", "4", "11", "40", "185", "1030", "6785", "51160", "438425", "4176250", "44098925", "507867100", "6375156125", "86130937750", "1253044612625", "19429666282000", "321457635604625", "5626346310003250", "104323833636303125", "2034312191276462500" ]
[ "nonn" ]
21
0
2
[ "A006228", "A013170" ]
null
Patrick Demichel (patrick.demichel(AT)hp.com)
2020-05-10T02:59:35
oeisdata/seq/A013/A013170.seq
b2fc70d47f1195b27cd48b07878464ad
A013171
sin(arctanh(x)+arcsin(x))=2*x-5/3!*x^3-55/5!*x^5-1535/7!*x^7...
[ "2", "-5", "-55", "-1535", "-80695", "-6860075", "-859242475", "-148907237375", "-34123911391375", "-9992873727945875", "-3640782796679981875", "-1615246696514236394375", "-857352190238672679484375" ]
[ "sign" ]
4
0
1
null
null
Patrick Demichel (patrick.demichel(AT)hp.com)
2012-02-24T12:51:21
oeisdata/seq/A013/A013171.seq
dce7730aa5b2b5a4d6c1fb71b420cb61
A013172
exp(arctanh(x)+tan(x))=1+2*x+4/2!*x^2+12/3!*x^3+48/4!*x^4+232/5!*x^5...
[ "1", "2", "4", "12", "48", "232", "1344", "8960", "68096", "580480", "5489024", "57192960", "649853952", "8028368896", "106867367936", "1530617461760", "23404867387392", "381866595811328", "6602987646386176", "120993556601405440" ]
[ "nonn" ]
8
0
2
null
null
Patrick Demichel (patrick.demichel(AT)hp.com)
2013-10-24T17:01:22
oeisdata/seq/A013/A013172.seq
627cc1c39bfe62cddefe69eb60bd3468
A013173
arctan(arctanh(x)+tan(x))=2*x-12/3!*x^3+488/5!*x^5-48608/7!*x^7...
[ "2", "-12", "488", "-48608", "9080960", "-2722798848", "1197871592448", "-726520846829568", "581088281306562560", "-592572418222512668672", "750419972539476482195456", "-1155381150026866713259671552", "2125413346746653166067846742016" ]
[ "sign" ]
6
0
1
null
null
Patrick Demichel (patrick.demichel(AT)hp.com)
2016-11-29T08:40:24
oeisdata/seq/A013/A013173.seq
1bdee994540486795abfcda148edf12f
A013174
exp(arctanh(x) + arctan(x)) = 1 + 2*x + 4/2!*x^2 + 8/3!*x^3 + 16/4!*x^4 + 80/5!*x^5 +...
[ "1", "2", "4", "8", "16", "80", "640", "4160", "21760", "177920", "2291200", "25548800", "223436800", "2560563200", "44438118400", "702660608000", "8725110784000", "129295622144000", "2796896567296000", "57197188186112000", "926039081943040000" ]
[ "nonn" ]
10
0
2
null
null
Patrick Demichel (patrick.demichel(AT)hp.com)
2013-01-12T20:07:25
oeisdata/seq/A013/A013174.seq
c6ed20355ab86be764c83b4bd84a65eb
A013175
sin(arctanh(x)+arctan(x))=2*x-8/3!*x^3+80/5!*x^5-4160/7!*x^7...
[ "2", "-8", "80", "-4160", "177920", "-25548800", "2560563200", "-702660608000", "129295622144000", "-57197188186112000", "16886573106790400000", "-10912577096233779200000", "4743735379760119808000000" ]
[ "sign" ]
6
0
1
null
null
Patrick Demichel (patrick.demichel(AT)hp.com)
2016-11-29T08:42:34
oeisdata/seq/A013/A013175.seq
c90223d3f8a6993fe9abec573c1cf5f2
A013176
arcsin(arctanh(x)+arctan(x))=2*x+8/3!*x^3+336/5!*x^5+32832/7!*x^7...
[ "2", "8", "336", "32832", "6596352", "2172377088", "1074790176768", "742942875451392", "684332863424888832", "809904627202731540480", "1197620189653593343131648", "2163726873433446527375769600", "4689766098958031240193965555712" ]
[ "nonn" ]
6
0
1
null
null
Patrick Demichel (patrick.demichel(AT)hp.com)
2014-08-22T12:13:43
oeisdata/seq/A013/A013176.seq
7a2aa25652e80642ac35ad509b1cd727
A013177
tan(arctanh(x)+arctan(x))=2*x+16/3!*x^3+560/5!*x^5+42880/7!*x^7...
[ "2", "16", "560", "42880", "5692160", "1158860800", "335091660800", "130514735104000", "65860132462592000", "41792278392537088000", "32569972497977507840000", "30580999289444580720640000", "34048056335378925092864000000" ]
[ "nonn" ]
10
0
1
null
null
Patrick Demichel (patrick.demichel(AT)hp.com)
2016-11-29T08:44:11
oeisdata/seq/A013/A013177.seq
7b4cb21d058595fa9550271bb1c4c9f7
A013178
arctan(arctanh(x)+arctan(x))=2*x-16/3!*x^3+816/5!*x^5-100224/7!*x^7...
[ "2", "-16", "816", "-100224", "23046912", "-8501907456", "4600667731968", "-3432263151550464", "3376634004034486272", "-4235408050319799091200", "6597340706535893925101568", "-12493980287273651231218728960" ]
[ "sign" ]
6
0
1
null
null
Patrick Demichel (patrick.demichel(AT)hp.com)
2016-11-29T08:46:29
oeisdata/seq/A013/A013178.seq
8484584670a0b9604809bc07755a5a7e
A013179
cos(arctanh(x)+arctan(x))=1-4/2!*x^2+16/4!*x^4-640/6!*x^6+21760/8!*x^8...
[ "1", "-4", "16", "-640", "21760", "-2291200", "223436800", "-44438118400", "8725110784000", "-2796896567296000", "926039081943040000", "-435519369139978240000", "218626979887002419200000", "-141711151230417633280000000" ]
[ "sign" ]
6
0
2
null
null
Patrick Demichel (patrick.demichel(AT)hp.com)
2016-11-29T10:21:48
oeisdata/seq/A013/A013179.seq
a5f580a34d41bb5e1458904714f9cdf2
A013180
sec(arctanh(x)+arctan(x))=1+4/2!*x^2+80/4!*x^4+4480/6!*x^6...
[ "1", "4", "80", "4480", "462080", "77248000", "18902835200", "6385348403200", "2843287396352000", "1614575957622784000", "1138477316012441600000", "976037590707833405440000", "999765439694232249958400000" ]
[ "nonn" ]
6
0
2
null
null
Patrick Demichel (patrick.demichel(AT)hp.com)
2016-11-29T10:22:50
oeisdata/seq/A013/A013180.seq
4cd749d0750d04e12849563f4eebeae0
A013181
Expansion of e.g.f.: log(arctanh(x)+cos(x)) = x-2/2!*x^2+7/3!*x^3-28/4!*x^4+193/5!*x^5...
[ "0", "1", "-2", "7", "-28", "193", "-1400", "13319", "-139424", "1721281", "-23379712", "357281351", "-5951323904", "108706678273", "-2142923081728", "45591739883975", "-1037606714249216", "25211971076762753", "-650452080060399616" ]
[ "sign" ]
6
0
3
null
null
Patrick Demichel (patrick.demichel(AT)hp.com)
2016-01-12T15:05:12
oeisdata/seq/A013/A013181.seq
da94caaa516be202671bd64ad890df23
A013182
exp(arctanh(x)+sinh(x))=1+2*x+4/2!*x^2+11/3!*x^3+40/4!*x^4+177/5!*x^5...
[ "1", "2", "4", "11", "40", "177", "934", "5889", "42648", "354825", "3295194", "34194349", "387494364", "4812801541", "64310993478", "929134537249", "14291172086544", "235303563551473", "4092687247885554", "75620298761841685", "1467156197049970084" ]
[ "nonn" ]
10
0
2
null
null
Patrick Demichel (patrick.demichel(AT)hp.com)
2013-11-21T12:46:02
oeisdata/seq/A013/A013182.seq
089135e882e1d1aeae631606f6a1ed8e
A013183
exp(arctanh(x)+arcsinh(x)) = 1+2*x+4/2!*x^2+9/3!*x^3+24/4!*x^4+105/5!*x^5...
[ "1", "2", "4", "9", "24", "105", "630", "4095", "27720", "235305", "2353050", "24792075", "267567300", "3350672325", "46909412550", "682570263375", "10103827734000", "167108397080625", "3007951147451250", "55823919598321875", "1049953727680357500" ]
[ "nonn" ]
12
0
2
null
null
Patrick Demichel (patrick.demichel(AT)hp.com)
2013-10-24T17:17:10
oeisdata/seq/A013/A013183.seq
dd886dae2bdf0bca5d9fc664c752f9bf
A013184
exp(arctanh(x)+tanh(x)) = 1+2*x+4/2!*x^2+8/3!*x^3+16/4!*x^4+72/5!*x^5...
[ "1", "2", "4", "8", "16", "72", "544", "3936", "25344", "193920", "1920384", "21876736", "246359040", "2967878656", "39508168704", "589063146496", "9120978370560", "149737853943808", "2587275558617088", "48291040167362560", "939278027083448320" ]
[ "nonn" ]
10
0
2
null
null
Patrick Demichel (patrick.demichel(AT)hp.com)
2013-10-24T17:16:09
oeisdata/seq/A013/A013184.seq
a0f667b9a679ddc36c51761cb161c37b
A013185
E.g.f.: log(cosh(x)+log(x+1)).
[ "0", "1", "-1", "4", "-19", "113", "-813", "6921", "-68290", "766909", "-9660965", "134950693", "-2070706988", "34628733267", "-626946816195", "12218295424331", "-255043813997776", "5677409949583369", "-134259854938074137" ]
[ "sign" ]
11
0
4
null
null
Patrick Demichel (patrick.demichel(AT)hp.com)
2015-03-06T02:59:39
oeisdata/seq/A013/A013185.seq
c4e158e6f7a454c793fe1589d612770d
A013186
Expansion of e.g.f. log(cosh(x) + arcsin(x)).
[ "0", "1", "0", "0", "0", "8", "-48", "392", "-2240", "20096", "-147200", "1754368", "-16873472", "241340032", "-2769127424", "44833033216", "-593918959616", "10840711614464", "-164204798541824", "3348758074142720", "-57147730941444096" ]
[ "sign" ]
9
0
6
null
null
Patrick Demichel (patrick.demichel(AT)hp.com)
2020-12-07T15:18:00
oeisdata/seq/A013/A013186.seq
0b3ba3806709b6ef66a5ac9912bed851
A013187
Expansion of e.g.f. log(cosh(x) + tan(x)).
[ "0", "1", "0", "1", "-4", "25", "-120", "761", "-5024", "42065", "-378240", "3898321", "-42905344", "521329705", "-6794511360", "96017526281", "-1448243646464", "23356125062945", "-399450070548480", "7240133620964641", "-138422733355024384" ]
[ "sign" ]
10
0
5
null
null
Patrick Demichel (patrick.demichel(AT)hp.com)
2018-08-05T18:06:27
oeisdata/seq/A013/A013187.seq
a3e7a2a8e9ffdb6c61c42820876fbe14
A013188
E.g.f.: log(cosh(x)+arctan(x))=x-3/3!*x^3+12/4!*x^4-7/5!*x^5-168/6!*x^6...
[ "0", "1", "0", "-3", "12", "-7", "-168", "917", "-1568", "-7183", "198400", "-3803987", "27605248", "316369129", "-8352339968", "40892465221", "772060278784", "-12655402122271", "84749115129856", "-1539257113273507", "2576755050676224" ]
[ "sign" ]
6
0
4
null
null
Patrick Demichel (patrick.demichel(AT)hp.com)
2013-03-12T18:29:22
oeisdata/seq/A013/A013188.seq
ef43abe66b3a16137d2c2ad33917ba07
A013189
All terms are squares and a(n) is length of n-th run.
[ "1", "4", "4", "4", "4", "9", "9", "9", "9", "16", "16", "16", "16", "25", "25", "25", "25", "36", "36", "36", "36", "36", "36", "36", "36", "36", "49", "49", "49", "49", "49", "49", "49", "49", "49", "64", "64", "64", "64", "64", "64", "64", "64", "64", "81", "81", "81", "81", "81", "81", "81", "81", "81", "100", "100", "100", "100", "100", "100", "100", "100", "100", "100", "100", "100", "100", "100" ]
[ "nonn", "easy" ]
13
1
2
[ "A001462", "A013189", "A080605", "A080606", "A080607" ]
null
James Propp
2015-04-04T02:40:34
oeisdata/seq/A013/A013189.seq
156f2a11d17ed5a8e01f61a456ad4f46
A013190
log(cosh(x)+arcsinh(x))=x-2/3!*x^3+8/4!*x^4-12/5!*x^5-48/6!*x^6...
[ "0", "1", "0", "-2", "8", "-12", "-48", "432", "-2112", "10000", "14080", "-1500512", "17517568", "-18269760", "-1666201600", "16350361856", "-45064462336", "922523568384", "-4131436888064", "-990634832194048", "21402743134224384", "92553699220882432" ]
[ "sign" ]
8
0
4
null
null
Patrick Demichel (patrick.demichel(AT)hp.com)
2013-11-01T18:48:29
oeisdata/seq/A013/A013190.seq
a2bdb601b431e22f4793db23d97fecbb
A013191
Expansion of e.g.f. log(cosh(x) + tanh(x)).
[ "0", "1", "0", "-3", "12", "-15", "-120", "1197", "-6048", "-255", "428160", "-5448003", "29812992", "241437105", "-8332047360", "104019879597", "-293043130368", "-17849464279935", "456591699640320", "-5108933510880003", "-26996975653552128" ]
[ "sign" ]
9
0
4
null
null
Patrick Demichel (patrick.demichel(AT)hp.com)
2021-06-20T12:46:22
oeisdata/seq/A013/A013191.seq
a1d072aa8e37f081354e07fc70053ba0
A013192
Expansion of e.g.f. log(cosh(x) + arctanh(x)).
[ "0", "1", "0", "1", "-4", "33", "-168", "1377", "-9504", "99649", "-930560", "11796673", "-137207552", "2017677153", "-28086102016", "471591223841", "-7659623550976", "144742585812609", "-2686461109796864", "56447611418620289" ]
[ "sign" ]
9
0
5
null
null
Patrick Demichel (patrick.demichel(AT)hp.com)
2019-02-06T12:26:08
oeisdata/seq/A013/A013192.seq
b520cb18b78c2b7bfaec7426ee4a0afe
A013193
Expansion of e.g.f. log(sec(x) + log(x+1)).
[ "0", "1", "-1", "4", "-15", "93", "-633", "5381", "-51506", "565957", "-6922205", "93992413", "-1398890284", "22689478823", "-398141898399", "7519118564551", "-152056970221072", "3278894568674073", "-75103176871966409", "1821102601528126265" ]
[ "sign" ]
9
0
4
null
null
Patrick Demichel (patrick.demichel(AT)hp.com)
2023-02-25T17:07:12
oeisdata/seq/A013/A013193.seq
d233d215ad95c5dc3e0c2a90edec2a5b
A013194
Expansion of e.g.f. log(sec(x) + sin(x)).
[ "0", "1", "0", "-2", "12", "-40", "120", "208", "-6048", "64640", "-428160", "986368", "29812992", "-652487680", "8332047360", "-60911593472", "-293043130368", "20973645824000", "-456591699640320", "6185783347314688", "-26996975653552128" ]
[ "sign" ]
9
0
4
null
null
Patrick Demichel (patrick.demichel(AT)hp.com)
2023-03-15T15:22:50
oeisdata/seq/A013/A013194.seq
b35f58a83a04d0fa608508e2e2d50826
A013195
E.g.f.: log(sec(x) + arcsin(x)).
[ "0", "1", "0", "0", "4", "-12", "72", "-168", "544", "8144", "-91520", "1384768", "-11984128", "149032128", "-1158162432", "16299168896", "-125837340672", "2859883876608", "-32260942757888", "1008997773326336", "-15535095938220032", "466978134769624064" ]
[ "sign" ]
14
0
5
null
null
Patrick Demichel (patrick.demichel(AT)hp.com)
2021-06-05T11:37:01
oeisdata/seq/A013/A013195.seq
f4439bf98f0dfc2ecd7877b93c374a47
A013196
Expansion of e.g.f. log(sec(x) + arctan(x)).
[ "0", "1", "0", "-3", "16", "-27", "-48", "777", "-5504", "48905", "-149120", "-4320107", "76593152", "-424303635", "-2866784256", "77237001761", "-1179358298112", "20512289602833", "-131744654655488", "-6321209675239123", "194063863443816448" ]
[ "sign" ]
7
0
4
null
null
Patrick Demichel (patrick.demichel(AT)hp.com)
2018-08-01T20:55:29
oeisdata/seq/A013/A013196.seq
2bca756d0ae557663e8de42aa43d3d34
A013197
Expansion of e.g.f. log(sec(x) + sinh(x)).
[ "0", "1", "0", "0", "4", "-20", "120", "-560", "2784", "-7920", "-24960", "1034880", "-14625536", "172569280", "-1661936640", "12339608320", "-13269651456", "-1902800305920", "53452617646080", "-1037015219466240", "16547577836929024", "-208832669083243520" ]
[ "sign" ]
7
0
5
null
null
Patrick Demichel (patrick.demichel(AT)hp.com)
2018-08-01T21:01:47
oeisdata/seq/A013/A013197.seq
cb479e9fa1b710f08942c1c86469a977
A013198
E.g.f.: log(sec(x)+arcsinh(x)) = x-2/3!*x^3+12/4!*x^4-32/5!*x^5+72/6!*x^6...
[ "0", "1", "0", "-2", "12", "-32", "72", "152", "-3808", "48448", "-333440", "289408", "26461952", "-393649024", "4126861312", "-34249082624", "-93963415552", "12871254335488", "-272828216803328", "2591959365570560", "6130847346393088" ]
[ "sign" ]
11
0
4
null
null
Patrick Demichel (patrick.demichel(AT)hp.com)
2018-08-01T21:03:25
oeisdata/seq/A013/A013198.seq
e0c6867effa986bd91d187b4acb87f85
A013199
Expansion of e.g.f. log(sec(x) + tanh(x)).
[ "0", "1", "0", "-3", "16", "-35", "0", "1057", "-9984", "59865", "0", "-5446683", "85897216", "-726781835", "0", "133713611977", "-2848077840384", "32440474082865", "0", "-10034804733270963", "271157029126537216", "-3854719922524818035", "0", "1800259494456990656497" ]
[ "sign" ]
14
0
4
null
null
Patrick Demichel (patrick.demichel(AT)hp.com)
2022-11-27T13:59:32
oeisdata/seq/A013/A013199.seq
b304d393b3d2b8c338d55167b851bcb3
A013200
Expansion of e.g.f. log(sec(x)+arctanh(x)).
[ "0", "1", "0", "1", "0", "13", "-48", "677", "-4480", "54937", "-471680", "6248713", "-65916928", "988579109", "-12514310144", "212756765101", "-3159842455552", "60179200959793", "-1026648500830208", "21632158018229009", "-416691460525064192" ]
[ "sign" ]
14
0
6
null
null
Patrick Demichel (patrick.demichel(AT)hp.com)
2023-03-09T04:20:02
oeisdata/seq/A013/A013200.seq
25046f2918415c44b6530e701184afa2