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timestamp[us]date 1999-12-11 03:00:00
2025-07-14 02:38:35
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A009901 | Coordination sequence T5 for Zeolite Code RUT. | [
"1",
"4",
"12",
"22",
"40",
"58",
"82",
"116",
"154",
"186",
"232",
"280",
"332",
"388",
"464",
"520",
"584",
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"844",
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"1118",
"1218",
"1334",
"1430",
"1576",
"1680",
"1796",
"1934",
"2088",
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"2366",
"2488",
"2696",
"2816",
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"3142",
"3366",
"3510",
"3668",
"3832",
"4108",
"4254",
"4470",
"4642",
"4894"
]
| [
"nonn"
]
| 15 | 0 | 2 | null | null | Ralf W. Grosse-Kunstleve | 2018-04-10T08:26:36 | oeisdata/seq/A009/A009901.seq | f628260a50ef336445aa6faecc543af2 |
A009902 | Coordination sequence T1 for Zeolite Code VET. | [
"1",
"4",
"12",
"24",
"39",
"61",
"93",
"133",
"179",
"209",
"246",
"311",
"404",
"473",
"536",
"593",
"671",
"745",
"896",
"1011",
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"1388",
"1605",
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"1866",
"1945",
"2071",
"2225",
"2464",
"2715",
"2885",
"2917",
"3047",
"3217",
"3557",
"3874",
"4030",
"4137",
"4258",
"4435",
"4799",
"5143",
"5463",
"5544"
]
| [
"nonn"
]
| 15 | 0 | 2 | null | null | Ralf W. Grosse-Kunstleve | 2018-04-10T08:26:36 | oeisdata/seq/A009/A009902.seq | cbdc4ce3c1571a5c2db7ff4d333312bf |
A009903 | Coordination sequence T2 for Zeolite Code VET. | [
"1",
"4",
"12",
"26",
"41",
"65",
"94",
"130",
"169",
"218",
"269",
"321",
"381",
"453",
"538",
"615",
"680",
"798",
"868",
"967",
"1085",
"1206",
"1316",
"1448",
"1563",
"1686",
"1841",
"1984",
"2122",
"2311",
"2463",
"2606",
"2776",
"2988",
"3131",
"3344",
"3542",
"3732",
"3947",
"4139",
"4365",
"4597",
"4807",
"5055",
"5263",
"5543",
"5780"
]
| [
"nonn"
]
| 13 | 0 | 2 | null | null | Ralf W. Grosse-Kunstleve | 2018-04-10T08:26:36 | oeisdata/seq/A009/A009903.seq | d07ea9a7a1c141ab667bef7688141dde |
A009904 | Coordination sequence T3 for Zeolite Code VET. | [
"1",
"4",
"12",
"24",
"41",
"65",
"95",
"128",
"169",
"218",
"270",
"323",
"374",
"458",
"545",
"604",
"688",
"798",
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"975",
"1082",
"1204",
"1325",
"1448",
"1564",
"1689",
"1842",
"2000",
"2117",
"2308",
"2474",
"2599",
"2793",
"2983",
"3135",
"3361",
"3533",
"3741",
"3951",
"4138",
"4384",
"4604",
"4809",
"5061",
"5261",
"5550",
"5791"
]
| [
"nonn"
]
| 13 | 0 | 2 | null | null | Ralf W. Grosse-Kunstleve | 2018-04-10T08:26:36 | oeisdata/seq/A009/A009904.seq | 95a7f71d2c9529b8653bf332c92714b7 |
A009905 | Coordination sequence T4 for Zeolite Code VET. | [
"1",
"4",
"12",
"23",
"43",
"68",
"94",
"125",
"172",
"226",
"269",
"314",
"384",
"470",
"525",
"612",
"702",
"775",
"886",
"978",
"1075",
"1211",
"1348",
"1420",
"1546",
"1732",
"1842",
"1980",
"2159",
"2290",
"2441",
"2642",
"2791",
"2956",
"3193",
"3344",
"3512",
"3757",
"3957",
"4155",
"4370",
"4614",
"4807",
"5045",
"5312",
"5546",
"5790"
]
| [
"nonn"
]
| 13 | 0 | 2 | null | null | Ralf W. Grosse-Kunstleve | 2018-04-10T08:26:36 | oeisdata/seq/A009/A009905.seq | b7fa2fd8c4138dd75c7dfb757263e646 |
A009906 | Coordination sequence T5 for Zeolite Code VET. | [
"1",
"4",
"12",
"28",
"38",
"60",
"98",
"152",
"182",
"200",
"246",
"332",
"422",
"488",
"530",
"632",
"650",
"716",
"898",
"1108",
"1142",
"1164",
"1230",
"1400",
"1594",
"1816",
"1878",
"1988",
"2098",
"2176",
"2426",
"2832",
"2894",
"2940",
"3014",
"3240",
"3586",
"3864",
"4118",
"4188",
"4178",
"4444",
"4762",
"5264",
"5526",
"5556"
]
| [
"nonn"
]
| 13 | 0 | 2 | null | null | Ralf W. Grosse-Kunstleve | 2018-04-10T08:26:36 | oeisdata/seq/A009/A009906.seq | dfeeb69cbfcadef906a1f6d345d713f9 |
A009907 | Coordination sequence T1 for Zeolite Code VNI. | [
"1",
"4",
"11",
"23",
"39",
"63",
"93",
"126",
"170",
"210",
"255",
"315",
"372",
"439",
"506",
"586",
"677",
"766",
"846",
"958",
"1044",
"1157",
"1277",
"1396",
"1531",
"1658",
"1794",
"1947",
"2064",
"2234",
"2380",
"2547",
"2745",
"2877",
"3087",
"3295",
"3404",
"3653",
"3852",
"4001",
"4322",
"4468",
"4670",
"4990",
"5141",
"5369",
"5683"
]
| [
"nonn"
]
| 13 | 0 | 2 | null | null | Ralf W. Grosse-Kunstleve | 2018-04-10T08:26:36 | oeisdata/seq/A009/A009907.seq | 39c00e1329a93c08f9608d094ca331eb |
A009908 | Coordination sequence T2 for Zeolite Code VNI. | [
"1",
"4",
"11",
"19",
"39",
"59",
"89",
"130",
"166",
"207",
"274",
"306",
"357",
"442",
"513",
"567",
"677",
"773",
"855",
"939",
"1056",
"1131",
"1266",
"1383",
"1502",
"1686",
"1816",
"1885",
"2094",
"2234",
"2341",
"2539",
"2739",
"2912",
"3080",
"3256",
"3452",
"3619",
"3827",
"4027",
"4247",
"4533",
"4688",
"4900",
"5195",
"5348",
"5624"
]
| [
"nonn"
]
| 13 | 0 | 2 | null | null | Ralf W. Grosse-Kunstleve | 2018-04-10T08:26:36 | oeisdata/seq/A009/A009908.seq | ddcbfd3f457521c91de3e13a2ec65c49 |
A009909 | Coordination sequence T3 for Zeolite Code VNI. | [
"1",
"4",
"9",
"20",
"37",
"61",
"92",
"117",
"152",
"201",
"246",
"305",
"367",
"428",
"515",
"575",
"631",
"750",
"817",
"929",
"1033",
"1164",
"1254",
"1387",
"1497",
"1622",
"1744",
"1896",
"2056",
"2208",
"2396",
"2515",
"2703",
"2853",
"3020",
"3235",
"3395",
"3665",
"3817",
"4020",
"4236",
"4445",
"4613",
"4925",
"5136",
"5385",
"5674"
]
| [
"nonn"
]
| 13 | 0 | 2 | null | null | Ralf W. Grosse-Kunstleve | 2018-04-10T08:26:36 | oeisdata/seq/A009/A009909.seq | edaacaad25cd1b98d162008ee4d2f4fe |
A009910 | Coordination sequence T4 for Zeolite Code VNI. | [
"1",
"4",
"9",
"20",
"37",
"62",
"87",
"119",
"158",
"195",
"248",
"301",
"369",
"435",
"503",
"572",
"656",
"717",
"834",
"924",
"1043",
"1141",
"1282",
"1359",
"1512",
"1618",
"1739",
"1903",
"2042",
"2227",
"2370",
"2542",
"2678",
"2866",
"3033",
"3194",
"3428",
"3646",
"3845",
"3985",
"4262",
"4418",
"4649",
"4908",
"5118",
"5408",
"5656"
]
| [
"nonn"
]
| 13 | 0 | 2 | null | null | Ralf W. Grosse-Kunstleve | 2018-04-10T08:26:36 | oeisdata/seq/A009/A009910.seq | 63cbdf2a1c3fa6ce8137bf4cfaac11ed |
A009911 | Coordination sequence T5 for Zeolite Code VNI. | [
"1",
"4",
"9",
"21",
"41",
"59",
"85",
"133",
"155",
"195",
"261",
"309",
"357",
"441",
"515",
"565",
"659",
"751",
"828",
"939",
"1047",
"1142",
"1280",
"1409",
"1481",
"1634",
"1794",
"1893",
"2058",
"2234",
"2377",
"2545",
"2708",
"2868",
"3038",
"3257",
"3435",
"3594",
"3860",
"4090",
"4171",
"4463",
"4727",
"4861",
"5164",
"5414",
"5596"
]
| [
"nonn"
]
| 13 | 0 | 2 | null | null | Ralf W. Grosse-Kunstleve | 2018-04-10T08:26:36 | oeisdata/seq/A009/A009911.seq | bd830c13ac7d8858c8ace0ef1c0cfdac |
A009912 | Coordination sequence T6 for Zeolite Code VNI. | [
"1",
"4",
"10",
"18",
"39",
"65",
"83",
"119",
"169",
"218",
"236",
"306",
"387",
"416",
"484",
"582",
"669",
"764",
"837",
"929",
"1061",
"1150",
"1223",
"1375",
"1552",
"1636",
"1763",
"1976",
"2051",
"2177",
"2379",
"2506",
"2689",
"2922",
"3037",
"3258",
"3449",
"3555",
"3826",
"4039",
"4196",
"4462",
"4715",
"4939",
"5072",
"5399",
"5614"
]
| [
"nonn"
]
| 13 | 0 | 2 | null | null | Ralf W. Grosse-Kunstleve | 2018-04-10T08:26:36 | oeisdata/seq/A009/A009912.seq | eb8fde6bf88c177d465904213a461b16 |
A009913 | Coordination sequence T7 for Zeolite Code VNI. | [
"1",
"4",
"10",
"18",
"36",
"64",
"82",
"118",
"176",
"202",
"264",
"322",
"340",
"436",
"512",
"572",
"642",
"768",
"874",
"930",
"1032",
"1166",
"1222",
"1376",
"1510",
"1642",
"1828",
"1938",
"2024",
"2230",
"2362",
"2510",
"2682",
"2922",
"3096",
"3200",
"3470",
"3622",
"3728",
"4106",
"4204",
"4400",
"4858",
"4832",
"5076",
"5492",
"5516"
]
| [
"nonn"
]
| 13 | 0 | 2 | null | null | Ralf W. Grosse-Kunstleve | 2018-04-10T08:26:36 | oeisdata/seq/A009/A009913.seq | c45357c9751fdd9d897796b5764ef673 |
A009914 | Coordination sequence T1 for Zeolite Code VSV. | [
"1",
"4",
"9",
"21",
"42",
"61",
"81",
"123",
"159",
"198",
"246",
"291",
"357",
"423",
"468",
"562",
"614",
"705",
"800",
"892",
"966",
"1073",
"1201",
"1306",
"1400",
"1552",
"1602",
"1826",
"1946",
"2020",
"2211",
"2345",
"2501",
"2730",
"2785",
"3025",
"3132",
"3395",
"3556",
"3722",
"3934",
"4028",
"4371",
"4634",
"4599",
"5076",
"5070"
]
| [
"nonn"
]
| 15 | 0 | 2 | null | null | Ralf W. Grosse-Kunstleve | 2018-04-10T08:26:36 | oeisdata/seq/A009/A009914.seq | aeff1c04af8ed1b047b0a2c9cc9ee918 |
A009915 | Coordination sequence T2 for Zeolite Code VSV. | [
"1",
"4",
"11",
"21",
"40",
"61",
"93",
"122",
"151",
"195",
"251",
"302",
"355",
"408",
"476",
"563",
"646",
"687",
"788",
"890",
"980",
"1109",
"1181",
"1256",
"1430",
"1564",
"1674",
"1765",
"1888",
"2054",
"2257",
"2401",
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"2626",
"2860",
"3033",
"3259",
"3296",
"3439",
"3789",
"3976",
"4158",
"4305",
"4425",
"4758",
"5083",
"5275"
]
| [
"nonn"
]
| 13 | 0 | 2 | null | null | Ralf W. Grosse-Kunstleve | 2018-04-10T08:26:36 | oeisdata/seq/A009/A009915.seq | 59b1037324465f7d9f42a86844b2f956 |
A009916 | Coordination sequence T3 for Zeolite Code VSV. | [
"1",
"4",
"8",
"20",
"48",
"56",
"84",
"120",
"160",
"212",
"240",
"280",
"360",
"440",
"468",
"536",
"640",
"676",
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"896",
"910",
"1120",
"1196",
"1292",
"1472",
"1468",
"1604",
"1852",
"1980",
"2012",
"2180",
"2344",
"2476",
"2824",
"2864",
"2776",
"3284",
"3392",
"3512",
"3896",
"3722",
"4008",
"4536",
"4576",
"4712",
"4880",
"5184"
]
| [
"nonn"
]
| 13 | 0 | 2 | null | null | Ralf W. Grosse-Kunstleve | 2018-04-10T08:26:36 | oeisdata/seq/A009/A009916.seq | 4c5782ca55922c3754224a12a2cb188d |
A009917 | Coordination sequence T1 for Zeolite Code WEI. | [
"1",
"4",
"9",
"18",
"32",
"51",
"74",
"98",
"126",
"163",
"199",
"237",
"288",
"335",
"383",
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"506",
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"713",
"780",
"878",
"955",
"1032",
"1146",
"1232",
"1319",
"1450",
"1544",
"1641",
"1790",
"1892",
"1998",
"2165",
"2275",
"2391",
"2576",
"2693",
"2819",
"3023",
"3146",
"3282",
"3506",
"3635",
"3780",
"4024",
"4159",
"4314"
]
| [
"nonn"
]
| 19 | 0 | 2 | null | null | Ralf W. Grosse-Kunstleve | 2018-04-10T08:26:36 | oeisdata/seq/A009/A009917.seq | b1509c96a9c65120a8222dafc86f2967 |
A009918 | Coordination sequence T2 for Zeolite Code WEI. | [
"1",
"4",
"8",
"18",
"32",
"52",
"70",
"98",
"132",
"152",
"200",
"242",
"286",
"324",
"404",
"422",
"520",
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"1154",
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"1400",
"1354",
"1608",
"1620",
"1806",
"1826",
"2124",
"2016",
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"2596",
"2996",
"2814",
"3296",
"3220",
"3550",
"3506",
"4020",
"3740",
"4364",
"4226"
]
| [
"nonn"
]
| 14 | 0 | 2 | null | null | Ralf W. Grosse-Kunstleve | 2018-04-10T08:26:36 | oeisdata/seq/A009/A009918.seq | 1a431dd1cc9f309167e9bd8473996388 |
A009919 | Coordination sequence T1 for Zeolite Code ZON. | [
"1",
"4",
"10",
"21",
"34",
"47",
"72",
"108",
"136",
"162",
"200",
"247",
"300",
"352",
"400",
"454",
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"739",
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"898",
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"1079",
"1180",
"1277",
"1375",
"1486",
"1598",
"1711",
"1834",
"1964",
"2093",
"2218",
"2349",
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"2648",
"2797",
"2945",
"3094",
"3250",
"3424",
"3605",
"3777",
"3945",
"4119",
"4304"
]
| [
"nonn"
]
| 14 | 0 | 2 | null | null | Ralf W. Grosse-Kunstleve | 2018-04-10T08:26:36 | oeisdata/seq/A009/A009919.seq | 7cfed37cf226435e958813ab96193e72 |
A009920 | Coordination sequence T2 for Zeolite Code ZON. | [
"1",
"4",
"9",
"19",
"33",
"53",
"78",
"100",
"126",
"166",
"213",
"250",
"287",
"342",
"405",
"464",
"522",
"589",
"662",
"733",
"813",
"905",
"992",
"1077",
"1171",
"1273",
"1380",
"1488",
"1600",
"1716",
"1836",
"1956",
"2080",
"2221",
"2365",
"2502",
"2636",
"2781",
"2945",
"3107",
"3263",
"3427",
"3594",
"3760",
"3941",
"4135",
"4322"
]
| [
"nonn"
]
| 14 | 0 | 2 | null | null | Ralf W. Grosse-Kunstleve | 2018-04-10T08:26:36 | oeisdata/seq/A009/A009920.seq | cfd5f92dd00f044a3aa75eafdfb68f3e |
A009921 | Coordination sequence T3 for Zeolite Code ZON. | [
"1",
"4",
"10",
"18",
"33",
"57",
"77",
"95",
"129",
"172",
"209",
"248",
"292",
"341",
"401",
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"527",
"587",
"656",
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"820",
"903",
"989",
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"1171",
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"1382",
"1487",
"1597",
"1718",
"1837",
"1955",
"2083",
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"2499",
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"2785",
"2939",
"3104",
"3270",
"3428",
"3586",
"3763",
"3949",
"4134",
"4318"
]
| [
"nonn"
]
| 14 | 0 | 2 | null | null | Ralf W. Grosse-Kunstleve | 2018-04-10T08:26:36 | oeisdata/seq/A009/A009921.seq | 391948e37fa710487c6091f588fae2d2 |
A009922 | Coordination sequence T4 for Zeolite Code ZON. | [
"1",
"4",
"9",
"17",
"32",
"53",
"74",
"98",
"128",
"165",
"208",
"250",
"293",
"344",
"401",
"457",
"519",
"591",
"663",
"737",
"814",
"897",
"988",
"1079",
"1174",
"1276",
"1380",
"1483",
"1593",
"1713",
"1835",
"1961",
"2090",
"2220",
"2356",
"2495",
"2636",
"2788",
"2946",
"3101",
"3260",
"3425",
"3593",
"3765",
"3945",
"4131",
"4316",
"4500"
]
| [
"nonn"
]
| 14 | 0 | 2 | null | null | Ralf W. Grosse-Kunstleve | 2018-04-10T08:26:36 | oeisdata/seq/A009/A009922.seq | 2fa1d1e5b230d389aeac220064acf20e |
A009923 | Coordination sequence for CaF2(1), Ca position. | [
"1",
"8",
"36",
"78",
"140",
"230",
"308",
"438",
"572",
"710",
"884",
"1086",
"1260",
"1502",
"1748",
"1982",
"2268",
"2582",
"2852",
"3206",
"3564",
"3894",
"4292",
"4718",
"5084",
"5550",
"6020",
"6446",
"6956",
"7494",
"7956",
"8534",
"9116",
"9638",
"10260",
"10910",
"11468",
"12158",
"12852",
"13470",
"14204",
"14966"
]
| [
"nonn",
"easy"
]
| 25 | 0 | 2 | null | null | Ralf W. Grosse-Kunstleve | 2018-04-10T08:26:36 | oeisdata/seq/A009/A009923.seq | ac80d42c3c02c0188b5b45792cbf3d90 |
A009924 | Coordination sequence for CaF2(1), F position. | [
"1",
"10",
"34",
"82",
"142",
"218",
"322",
"434",
"562",
"722",
"886",
"1066",
"1282",
"1498",
"1730",
"2002",
"2270",
"2554",
"2882",
"3202",
"3538",
"3922",
"4294",
"4682",
"5122",
"5546",
"5986",
"6482",
"6958",
"7450",
"8002",
"8530",
"9074",
"9682",
"10262",
"10858",
"11522",
"12154",
"12802",
"13522",
"14206",
"14906"
]
| [
"nonn",
"easy"
]
| 27 | 0 | 2 | null | null | Ralf W. Grosse-Kunstleve | 2023-03-17T14:39:55 | oeisdata/seq/A009/A009924.seq | e36bc16d0327efad4e8f1a7932fbe761 |
A009925 | Coordination sequence for CaF2(2), F position. | [
"1",
"4",
"22",
"24",
"82",
"64",
"182",
"124",
"322",
"204",
"502",
"304",
"722",
"424",
"982",
"564",
"1282",
"724",
"1622",
"904",
"2002",
"1104",
"2422",
"1324",
"2882",
"1564",
"3382",
"1824",
"3922",
"2104",
"4502",
"2404",
"5122",
"2724",
"5782",
"3064",
"6482",
"3424",
"7222",
"3804",
"8002",
"4204",
"8822",
"4624",
"9682",
"5064"
]
| [
"nonn",
"easy"
]
| 30 | 0 | 2 | null | null | Ralf W. Grosse-Kunstleve | 2018-04-10T08:26:36 | oeisdata/seq/A009/A009925.seq | 474d09bbbaeccc657aab6cb7fc8a5112 |
A009926 | Coordination sequence for CaF2(2), Ca position. | [
"1",
"8",
"12",
"48",
"42",
"128",
"92",
"248",
"162",
"408",
"252",
"608",
"362",
"848",
"492",
"1128",
"642",
"1448",
"812",
"1808",
"1002",
"2208",
"1212",
"2648",
"1442",
"3128",
"1692",
"3648",
"1962",
"4208",
"2252",
"4808",
"2562",
"5448",
"2892",
"6128",
"3242",
"6848",
"3612",
"7608",
"4002",
"8408",
"4412",
"9248",
"4842"
]
| [
"nonn"
]
| 26 | 0 | 2 | null | null | Ralf W. Grosse-Kunstleve | 2019-02-27T11:26:10 | oeisdata/seq/A009/A009926.seq | 60b38a2b9c9d7122f6a49dd1f5aab12a |
A009927 | Coordination sequence for Cr3Si, Si position. | [
"1",
"12",
"50",
"120",
"218",
"344",
"546",
"728",
"902",
"1212",
"1526",
"1784",
"2154",
"2552",
"2954",
"3432",
"3854",
"4340",
"4998",
"5504",
"6002",
"6768",
"7442",
"8024",
"8814",
"9572",
"10334",
"11232",
"11978",
"12824",
"13938",
"14768",
"15590",
"16812",
"17846",
"18752",
"19962",
"21080",
"22202",
"23520"
]
| [
"nonn"
]
| 41 | 0 | 2 | null | null | Ralf W. Grosse-Kunstleve | 2018-04-10T08:26:36 | oeisdata/seq/A009/A009927.seq | 830bd50bc9200f04ccaf295733177af6 |
A009928 | Coordination sequence for Cr3Si, Cr position. | [
"1",
"14",
"50",
"114",
"214",
"350",
"510",
"710",
"930",
"1186",
"1474",
"1798",
"2142",
"2526",
"2934",
"3382",
"3858",
"4362",
"4890",
"5470",
"6070",
"6694",
"7350",
"8054",
"8778",
"9530",
"10306",
"11134",
"11990",
"12862",
"13758",
"14718",
"15698",
"16690",
"17714",
"18798",
"19902",
"21022",
"22166",
"23374"
]
| [
"nonn"
]
| 23 | 0 | 2 | null | null | Ralf W. Grosse-Kunstleve | 2018-04-10T08:30:57 | oeisdata/seq/A009/A009928.seq | a1327f089050744b6bd95a0c4bb18d7d |
A009929 | Coefficients in expansion of Euler's constant gamma as Sum_{n>=1} a(n)/(n*n!*(n+1)!), as found by greedy algorithm. | [
"1",
"1",
"15",
"9",
"19",
"33",
"41",
"6",
"54",
"119",
"74",
"165",
"0",
"191",
"92",
"286",
"150",
"214",
"389",
"297",
"168",
"439",
"432",
"386",
"52",
"543",
"99",
"416",
"536",
"902",
"427",
"225",
"497",
"194",
"1168",
"850",
"806",
"399",
"955",
"665",
"519",
"1648",
"597",
"1378",
"547",
"786",
"1516",
"978",
"1169",
"53",
"988"
]
| [
"nonn"
]
| 18 | 1 | 3 | [
"A001620",
"A009929"
]
| null | N. J. A. Sloane, Bill Gosper | 2024-12-30T02:07:37 | oeisdata/seq/A009/A009929.seq | 75de146684e763e0f4f58ecdad6c7b44 |
A009930 | Coordination sequence for MgCu2, Cu position. | [
"1",
"12",
"50",
"110",
"216",
"356",
"528",
"704",
"968",
"1230",
"1514",
"1838",
"2276",
"2562",
"3074",
"3540",
"3998",
"4490",
"5244",
"5570",
"6374",
"7052",
"7662",
"8300",
"9438",
"9740",
"10862",
"11754",
"12512",
"13280",
"14852",
"15060",
"16544",
"17658",
"18542",
"19418",
"21492",
"21542",
"23414",
"24752"
]
| [
"nonn"
]
| 18 | 0 | 2 | null | null | Ralf W. Grosse-Kunstleve | 2018-04-10T08:26:36 | oeisdata/seq/A009/A009930.seq | 84838938163aaa542af043712516bd68 |
A009931 | Coordination sequence for MgCu2, Mg position. | [
"1",
"16",
"52",
"130",
"244",
"380",
"538",
"784",
"986",
"1268",
"1588",
"1930",
"2236",
"2764",
"3086",
"3592",
"4126",
"4676",
"5084",
"5962",
"6364",
"7096",
"7846",
"8624",
"9094",
"10372",
"10808",
"11786",
"12760",
"13768",
"14254",
"16000",
"16430",
"17656",
"18856",
"20114",
"20576",
"22840",
"23218",
"24712"
]
| [
"nonn"
]
| 18 | 0 | 2 | null | null | Ralf W. Grosse-Kunstleve | 2018-04-10T08:26:36 | oeisdata/seq/A009/A009931.seq | 90d771c354ad5c65543df8f32d72ca92 |
A009932 | Coordination sequence for MgNi2, Position Ni2. | [
"1",
"12",
"50",
"110",
"212",
"356",
"518",
"712",
"966",
"1234",
"1532",
"1856",
"2262",
"2646",
"3104",
"3566",
"4050",
"4648",
"5182",
"5718",
"6476",
"7138",
"7732",
"8600",
"9474",
"9952",
"11018",
"12010",
"12628",
"13666",
"14890",
"15572",
"16724",
"18022",
"18854",
"19994",
"21458",
"22320",
"23816",
"25072"
]
| [
"nonn"
]
| 14 | 0 | 2 | null | null | Ralf W. Grosse-Kunstleve | 2018-04-10T08:26:36 | oeisdata/seq/A009/A009932.seq | b5b63850b5f24938ffc629106d3f7d6b |
A009933 | Coordination sequence for MgNi2, Position Ni1. | [
"1",
"12",
"50",
"110",
"216",
"350",
"518",
"720",
"966",
"1224",
"1554",
"1874",
"2226",
"2650",
"3144",
"3486",
"4106",
"4664",
"5102",
"5782",
"6606",
"6946",
"7816",
"8702",
"9224",
"10080",
"11224",
"11658",
"12812",
"13836",
"14620",
"15684",
"16960",
"17544",
"19136",
"20174",
"21058",
"22548",
"24006",
"24598"
]
| [
"nonn"
]
| 14 | 0 | 2 | null | null | Ralf W. Grosse-Kunstleve | 2018-04-10T08:26:36 | oeisdata/seq/A009/A009933.seq | 48863f3ecff54c63330be8f22530d9f3 |
A009934 | Coordination sequence for MgNi2, Position Ni3. | [
"1",
"12",
"50",
"115",
"223",
"365",
"510",
"719",
"962",
"1231",
"1534",
"1880",
"2274",
"2621",
"3092",
"3586",
"4045",
"4637",
"5208",
"5786",
"6446",
"7075",
"7831",
"8552",
"9333",
"10136",
"11072",
"11839",
"12793",
"13691",
"14700",
"15707",
"16760",
"17878",
"18994",
"19955",
"21474",
"22463",
"23582",
"25090"
]
| [
"nonn"
]
| 14 | 0 | 2 | null | null | Ralf W. Grosse-Kunstleve | 2018-04-10T08:26:36 | oeisdata/seq/A009/A009934.seq | e912b83087d382ad797e94d9041d9943 |
A009935 | Coordination sequence for MgNi2, Position Mg2. | [
"1",
"16",
"52",
"125",
"232",
"358",
"539",
"739",
"1000",
"1271",
"1552",
"1921",
"2285",
"2680",
"3151",
"3653",
"4126",
"4630",
"5300",
"5800",
"6463",
"7235",
"7930",
"8602",
"9479",
"10264",
"10981",
"11996",
"12889",
"13744",
"14891",
"15793",
"16885",
"18005",
"19054",
"20149",
"21524",
"22549",
"23788",
"25331"
]
| [
"nonn"
]
| 14 | 0 | 2 | null | null | Ralf W. Grosse-Kunstleve | 2018-04-10T08:26:36 | oeisdata/seq/A009/A009935.seq | fdef79ceaeb3a82547d611bf2269f63e |
A009936 | Coordination sequence for MgNi2, Position Mg1. | [
"1",
"16",
"52",
"130",
"244",
"380",
"545",
"787",
"1003",
"1291",
"1612",
"1958",
"2303",
"2779",
"3151",
"3688",
"4171",
"4718",
"5288",
"6004",
"6475",
"7327",
"7954",
"8702",
"9458",
"10435",
"11047",
"12109",
"12952",
"13997",
"14783",
"16078",
"16876",
"18124",
"19084",
"20513",
"21302",
"22891",
"23938",
"25360"
]
| [
"nonn"
]
| 14 | 0 | 2 | null | null | Ralf W. Grosse-Kunstleve | 2018-04-10T08:26:36 | oeisdata/seq/A009/A009936.seq | d5608f455edb3df0d113b994b66e0205 |
A009937 | Coordination sequence for MgZn2, Position Zn1. | [
"1",
"12",
"50",
"110",
"212",
"348",
"506",
"710",
"938",
"1212",
"1504",
"1828",
"2176",
"2588",
"3010",
"3436",
"3982",
"4494",
"5034",
"5580",
"6280",
"6882",
"7538",
"8358",
"9036",
"9836",
"10602",
"11566",
"12322",
"13262",
"14282",
"15190",
"16256",
"17176",
"18432",
"19392",
"20572",
"21774",
"22982",
"24212"
]
| [
"nonn"
]
| 14 | 0 | 2 | null | null | Ralf W. Grosse-Kunstleve | 2018-04-10T08:26:36 | oeisdata/seq/A009/A009937.seq | b8bca944ed9fd76f1293ac44f3ccedf1 |
A009938 | Coordination sequence for MgZn2, Position Zn2. | [
"1",
"12",
"50",
"120",
"230",
"374",
"510",
"716",
"986",
"1230",
"1538",
"1880",
"2238",
"2612",
"3062",
"3504",
"3998",
"4556",
"5058",
"5732",
"6338",
"6942",
"7658",
"8408",
"9102",
"9854",
"10814",
"11556",
"12476",
"13460",
"14316",
"15296",
"16316",
"17400",
"18416",
"19586",
"20706",
"21914",
"23162",
"24252"
]
| [
"nonn"
]
| 14 | 0 | 2 | null | null | Ralf W. Grosse-Kunstleve | 2018-04-10T08:26:36 | oeisdata/seq/A009/A009938.seq | ec76940303cd50ed1691808f2a67e79e |
A009939 | Coordination sequence for MgZn2, Mg position. | [
"1",
"16",
"52",
"125",
"232",
"358",
"533",
"742",
"979",
"1235",
"1552",
"1870",
"2222",
"2626",
"3052",
"3539",
"4021",
"4561",
"5099",
"5707",
"6280",
"6974",
"7696",
"8353",
"9173",
"9937",
"10762",
"11549",
"12517",
"13384",
"14315",
"15388",
"16309",
"17426",
"18427",
"19612",
"20711",
"21910",
"23104",
"24323"
]
| [
"nonn"
]
| 14 | 0 | 2 | null | null | Ralf W. Grosse-Kunstleve | 2018-04-10T08:26:36 | oeisdata/seq/A009/A009939.seq | e117f34597866aaeba040de0ac8b0a7d |
A009940 | a(n) = n!*L_{n}(1), where L_{n}(x) is the n-th Laguerre polynomial. | [
"1",
"0",
"-1",
"-4",
"-15",
"-56",
"-185",
"-204",
"6209",
"112400",
"1520271",
"19165420",
"237686449",
"2944654296",
"36392001815",
"441823808804",
"5066513855745",
"49021548330016",
"202510138910239",
"-8592616658156580",
"-399625593156546319",
"-12547977062999220760",
"-350780150063930345241",
"-9361105704321312342764"
]
| [
"sign",
"easy",
"changed"
]
| 59 | 0 | 4 | [
"A009940",
"A021009"
]
| null | Wouter Meeussen | 2025-07-04T08:31:55 | oeisdata/seq/A009/A009940.seq | 1af41ef43af46ed8e4fe7173230330bc |
A009941 | Coordination sequence for Ni2In, Position Ni1 and In. | [
"1",
"11",
"47",
"98",
"179",
"275",
"398",
"539",
"707",
"890",
"1103",
"1331",
"1586",
"1859",
"2159",
"2474",
"2819",
"3179",
"3566",
"3971",
"4403",
"4850",
"5327",
"5819",
"6338",
"6875",
"7439",
"8018",
"8627",
"9251",
"9902",
"10571",
"11267",
"11978",
"12719",
"13475",
"14258",
"15059",
"15887",
"16730",
"17603"
]
| [
"nonn"
]
| 14 | 0 | 2 | null | null | Ralf W. Grosse-Kunstleve | 2018-04-10T08:26:36 | oeisdata/seq/A009/A009941.seq | 90c5763c3de976576b48fb769e7e68f2 |
A009942 | Coordination sequence for Ni2In, Position Ni2. | [
"1",
"14",
"44",
"104",
"176",
"278",
"398",
"542",
"704",
"896",
"1100",
"1334",
"1586",
"1862",
"2156",
"2480",
"2816",
"3182",
"3566",
"3974",
"4400",
"4856",
"5324",
"5822",
"6338",
"6878",
"7436",
"8024",
"8624",
"9254",
"9902",
"10574",
"11264",
"11984",
"12716",
"13478",
"14258",
"15062",
"15884",
"16736",
"17600"
]
| [
"nonn"
]
| 14 | 0 | 2 | null | null | Ralf W. Grosse-Kunstleve | 2018-04-10T08:26:36 | oeisdata/seq/A009/A009942.seq | e44cdd82548e2dcc5e532899b44a1884 |
A009943 | Coordination sequence for NiAs(1), As position. | [
"1",
"6",
"24",
"56",
"96",
"152",
"216",
"296",
"384",
"488",
"600",
"728",
"864",
"1016",
"1176",
"1352",
"1536",
"1736",
"1944",
"2168",
"2400",
"2648",
"2904",
"3176",
"3456",
"3752",
"4056",
"4376",
"4704",
"5048",
"5400",
"5768",
"6144",
"6536",
"6936",
"7352",
"7776",
"8216",
"8664",
"9128",
"9600",
"10088",
"10584"
]
| [
"nonn"
]
| 15 | 0 | 2 | null | null | Ralf W. Grosse-Kunstleve | 2018-04-10T08:26:36 | oeisdata/seq/A009/A009943.seq | 6cc4a9721e1231599fef7c0353537241 |
A009944 | Left-right/right-left numbers: n = pq such that n=q_reversed*p_reversed. | [
"126",
"153",
"688",
"187029",
"223524",
"267034",
"1574253",
"10013323",
"10353244",
"36528975",
"109019911",
"116257833",
"1958249722",
"2285044524",
"2996225824",
"6264507888",
"10544814252",
"15742574253",
"31951523916",
"35497206387",
"62967699976",
"94691579179",
"182738252812",
"187021087029"
]
| [
"base",
"nonn",
"nice"
]
| 27 | 1 | 1 | [
"A004086",
"A009944",
"A179482"
]
| null | Mario Velucchi (mathchess(AT)velucchi.it) | 2024-04-13T17:26:12 | oeisdata/seq/A009/A009944.seq | ef137ec5c613d9b971caa88e7a1c0173 |
A009945 | Coordination sequence for NiAs(2), As position. | [
"1",
"6",
"18",
"42",
"74",
"114",
"162",
"222",
"290",
"366",
"450",
"546",
"650",
"762",
"882",
"1014",
"1154",
"1302",
"1458",
"1626",
"1802",
"1986",
"2178",
"2382",
"2594",
"2814",
"3042",
"3282",
"3530",
"3786",
"4050",
"4326",
"4610",
"4902",
"5202",
"5514",
"5834",
"6162",
"6498",
"6846",
"7202",
"7566",
"7938",
"8322",
"8714"
]
| [
"nonn",
"easy"
]
| 30 | 0 | 2 | null | null | Ralf W. Grosse-Kunstleve | 2024-02-07T11:29:44 | oeisdata/seq/A009/A009945.seq | 7771caaa613feca75d2205eaa00a4e5c |
A009946 | Coordination sequence for NiAs(2), Ni position. | [
"1",
"6",
"20",
"42",
"74",
"114",
"164",
"222",
"290",
"366",
"452",
"546",
"650",
"762",
"884",
"1014",
"1154",
"1302",
"1460",
"1626",
"1802",
"1986",
"2180",
"2382",
"2594",
"2814",
"3044",
"3282",
"3530",
"3786",
"4052",
"4326",
"4610",
"4902",
"5204",
"5514",
"5834",
"6162",
"6500",
"6846",
"7202",
"7566",
"7940",
"8322",
"8714"
]
| [
"nonn",
"easy"
]
| 42 | 0 | 2 | null | null | Ralf W. Grosse-Kunstleve | 2025-03-21T13:25:24 | oeisdata/seq/A009/A009946.seq | fc630eac592feafea7f503277e80e520 |
A009947 | Sequence of nonnegative integers, but insert n/2 after every even number n. | [
"0",
"0",
"1",
"2",
"1",
"3",
"4",
"2",
"5",
"6",
"3",
"7",
"8",
"4",
"9",
"10",
"5",
"11",
"12",
"6",
"13",
"14",
"7",
"15",
"16",
"8",
"17",
"18",
"9",
"19",
"20",
"10",
"21",
"22",
"11",
"23",
"24",
"12",
"25",
"26",
"13",
"27",
"28",
"14",
"29",
"30",
"15",
"31",
"32",
"16",
"33",
"34",
"17",
"35",
"36",
"18",
"37",
"38",
"19",
"39",
"40",
"20",
"41",
"42",
"21",
"43",
"44",
"22",
"45",
"46"
]
| [
"nonn",
"easy"
]
| 36 | 0 | 4 | [
"A001477",
"A009947",
"A071281",
"A166711",
"A214090"
]
| null | Bill Gosper | 2023-01-11T06:39:28 | oeisdata/seq/A009/A009947.seq | fee6447d104618c671c28dbe9b2aacbf |
A009948 | Coordination sequence for alpha-Nd, Position Nd1. | [
"1",
"12",
"42",
"96",
"170",
"264",
"378",
"516",
"674",
"852",
"1050",
"1272",
"1514",
"1776",
"2058",
"2364",
"2690",
"3036",
"3402",
"3792",
"4202",
"4632",
"5082",
"5556",
"6050",
"6564",
"7098",
"7656",
"8234",
"8832",
"9450",
"10092",
"10754",
"11436",
"12138",
"12864",
"13610",
"14376",
"15162",
"15972",
"16802"
]
| [
"nonn"
]
| 21 | 0 | 2 | null | null | Ralf W. Grosse-Kunstleve | 2018-04-10T08:26:36 | oeisdata/seq/A009/A009948.seq | 67b62853392d422097baed61ecb654bb |
A009949 | Factorial expansion of sqrt(2) = Sum_{n>=1} a(n)/n!, using greedy algorithm. | [
"1",
"0",
"2",
"1",
"4",
"4",
"1",
"5",
"0",
"8",
"1",
"11",
"1",
"7",
"8",
"4",
"4",
"4",
"11",
"13",
"1",
"6",
"15",
"13",
"8",
"12",
"22",
"25",
"14",
"9",
"13",
"11",
"30",
"9",
"16",
"25",
"3",
"12",
"11",
"2",
"35",
"41",
"29",
"29",
"11",
"27",
"43",
"32",
"1",
"16",
"2",
"5",
"29",
"3",
"2",
"30",
"18",
"30",
"32",
"56",
"44",
"38",
"44",
"27",
"4"
]
| [
"nonn"
]
| 22 | 1 | 3 | [
"A002193",
"A009949",
"A040000",
"A067881",
"A068446",
"A320839"
]
| null | N. J. A. Sloane, Bill Gosper | 2022-05-22T09:47:48 | oeisdata/seq/A009/A009949.seq | 680a4953add580a728497c2d68f6181e |
A009950 | Coordination sequence for alpha-Mn, Position Mn1. | [
"1",
"12",
"49",
"113",
"205",
"327",
"490",
"691",
"908",
"1129",
"1426",
"1735",
"2063",
"2455",
"2857",
"3272",
"3730",
"4205",
"4750",
"5313",
"5892",
"6487",
"7138",
"7837",
"8489",
"9239",
"10079",
"10819",
"11622",
"12496",
"13363",
"14336",
"15266",
"16196",
"17245",
"18282",
"19324",
"20428",
"21614",
"22753"
]
| [
"nonn"
]
| 14 | 0 | 2 | null | null | Ralf W. Grosse-Kunstleve | 2018-04-10T08:26:36 | oeisdata/seq/A009/A009950.seq | be92dc9985cdf996ddbfcadf583f896e |
A009951 | Coordination sequence for alpha-Mn, Position Mn2. | [
"1",
"13",
"49",
"114",
"204",
"323",
"499",
"683",
"890",
"1153",
"1413",
"1728",
"2089",
"2446",
"2842",
"3281",
"3723",
"4220",
"4750",
"5298",
"5876",
"6509",
"7143",
"7807",
"8533",
"9274",
"10028",
"10843",
"11628",
"12476",
"13408",
"14277",
"15252",
"16253",
"17214",
"18265",
"19365",
"20447",
"21604",
"22744"
]
| [
"nonn"
]
| 14 | 0 | 2 | null | null | Ralf W. Grosse-Kunstleve | 2018-04-10T08:26:36 | oeisdata/seq/A009/A009951.seq | 56a0a19ba2b2d3be6ee59ffd669ad7b4 |
A009952 | Coordination sequence for alpha-Mn, Position Mn3. | [
"1",
"16",
"49",
"110",
"211",
"337",
"491",
"691",
"898",
"1163",
"1420",
"1720",
"2084",
"2470",
"2863",
"3254",
"3748",
"4231",
"4739",
"5326",
"5887",
"6515",
"7183",
"7753",
"8543",
"9331",
"9982",
"10817",
"11692",
"12496",
"13376",
"14353",
"15217",
"16256",
"17275",
"18220",
"19328",
"20599",
"21511",
"22688"
]
| [
"nonn"
]
| 14 | 0 | 2 | null | null | Ralf W. Grosse-Kunstleve | 2018-04-10T08:26:36 | oeisdata/seq/A009/A009952.seq | 5c138ddc7c6dc5c1233b99687418b193 |
A009953 | Coordination sequence for alpha-Mn, Position Mn4. | [
"1",
"16",
"52",
"104",
"214",
"352",
"476",
"700",
"922",
"1148",
"1432",
"1726",
"2048",
"2464",
"2872",
"3254",
"3712",
"4312",
"4784",
"5290",
"5896",
"6512",
"7150",
"7816",
"8516",
"9292",
"10054",
"10820",
"11596",
"12544",
"13478",
"14236",
"15340",
"16334",
"17248",
"18232",
"19328",
"20374",
"21664",
"22748"
]
| [
"nonn"
]
| 14 | 0 | 2 | null | null | Ralf W. Grosse-Kunstleve | 2018-04-10T08:26:36 | oeisdata/seq/A009/A009953.seq | c85988369a83aa79bece165d2d32a795 |
A009954 | Coordination sequence for FeS2-Marcasite, S position. | [
"1",
"4",
"17",
"34",
"64",
"93",
"153",
"181",
"262",
"298",
"422",
"445",
"593",
"621",
"824",
"826",
"1058",
"1061",
"1359",
"1325",
"1656",
"1618",
"2028",
"1941",
"2387",
"2293",
"2830",
"2674",
"3252",
"3085",
"3765",
"3525",
"4250",
"3994",
"4834",
"4493",
"5381",
"5021",
"6036",
"5578",
"6646",
"6165",
"7371",
"6781",
"8044"
]
| [
"nonn"
]
| 16 | 0 | 2 | null | null | Ralf W. Grosse-Kunstleve | 2018-04-10T08:26:36 | oeisdata/seq/A009/A009954.seq | d662ae9dce72a9bd401cc7cb9ffe4547 |
A009955 | Coordination sequence for FeS2-Marcasite, Fe position. | [
"1",
"6",
"16",
"40",
"60",
"106",
"134",
"206",
"236",
"340",
"368",
"506",
"530",
"706",
"720",
"940",
"940",
"1206",
"1190",
"1506",
"1468",
"1840",
"1776",
"2206",
"2114",
"2606",
"2480",
"3040",
"2876",
"3506",
"3302",
"4006",
"3756",
"4540",
"4240",
"5106",
"4754",
"5706",
"5296",
"6340",
"5868",
"7006",
"6470",
"7706",
"7100"
]
| [
"nonn"
]
| 16 | 0 | 2 | null | null | Ralf W. Grosse-Kunstleve | 2018-04-10T08:26:36 | oeisdata/seq/A009/A009955.seq | f1b53d36d2dffcf77b27a70dcf7ab440 |
A009956 | Coordination sequence for FeS2-Pyrite, S position. | [
"1",
"4",
"18",
"37",
"70",
"105",
"169",
"206",
"292",
"343",
"469",
"513",
"664",
"719",
"919",
"958",
"1186",
"1233",
"1519",
"1541",
"1858",
"1885",
"2269",
"2262",
"2680",
"2675",
"3169",
"3121",
"3652",
"3603",
"4219",
"4118",
"4774",
"4669",
"5419",
"5253",
"6046",
"5873",
"6769",
"6526",
"7468",
"7215",
"8269",
"7937",
"9040"
]
| [
"nonn"
]
| 18 | 0 | 2 | null | null | Ralf W. Grosse-Kunstleve | 2019-06-12T16:22:39 | oeisdata/seq/A009/A009956.seq | 0a6e2156502338cda48cda0c8d510aeb |
A009957 | Coordination sequence for FeS2-Pyrite, Fe position. | [
"1",
"6",
"18",
"44",
"68",
"120",
"152",
"234",
"270",
"386",
"422",
"576",
"608",
"804",
"828",
"1070",
"1082",
"1374",
"1370",
"1716",
"1692",
"2096",
"2048",
"2514",
"2438",
"2970",
"2862",
"3464",
"3320",
"3996",
"3812",
"4566",
"4338",
"5174",
"4898",
"5820",
"5492",
"6504",
"6120",
"7226",
"6782",
"7986",
"7478",
"8784",
"8208"
]
| [
"nonn"
]
| 18 | 0 | 2 | null | null | Ralf W. Grosse-Kunstleve | 2018-04-10T08:26:36 | oeisdata/seq/A009/A009957.seq | bf332333cf0493f83582c4bb30245435 |
A009958 | Coordination sequence for sigma-CrFe, Position Xf. | [
"1",
"12",
"48",
"106",
"218",
"350",
"504",
"690",
"936",
"1216",
"1508",
"1806",
"2176",
"2598",
"2990",
"3450",
"3908",
"4498",
"5052",
"5596",
"6312",
"6806",
"7548",
"8306",
"8890",
"9962",
"10728",
"11402",
"12376",
"13204",
"14196",
"15122",
"16236",
"17302",
"18394",
"19454",
"20412",
"21670",
"22984",
"23932"
]
| [
"nonn"
]
| 13 | 0 | 2 | null | null | Ralf W. Grosse-Kunstleve | 2018-04-10T08:26:36 | oeisdata/seq/A009/A009958.seq | 77529eda3b9118b5011164a14797127b |
A009959 | Coordination sequence for sigma-CrFe, Position Xd. | [
"1",
"12",
"49",
"111",
"218",
"340",
"504",
"699",
"929",
"1189",
"1492",
"1802",
"2186",
"2545",
"2973",
"3426",
"3918",
"4467",
"5033",
"5565",
"6230",
"6806",
"7534",
"8277",
"9009",
"9787",
"10621",
"11475",
"12259",
"13202",
"14214",
"15094",
"16188",
"17291",
"18204",
"19425",
"20459",
"21577",
"22931",
"24156"
]
| [
"nonn"
]
| 13 | 0 | 2 | null | null | Ralf W. Grosse-Kunstleve | 2018-04-10T08:26:36 | oeisdata/seq/A009/A009959.seq | e04620f0f570ad011ca4c0247068a346 |
A009960 | Coordination sequence for sigma-CrFe, Position Xb. | [
"1",
"14",
"50",
"113",
"207",
"345",
"505",
"698",
"932",
"1191",
"1494",
"1813",
"2157",
"2561",
"2968",
"3464",
"3943",
"4457",
"5024",
"5538",
"6217",
"6886",
"7504",
"8321",
"9048",
"9764",
"10610",
"11395",
"12295",
"13275",
"14214",
"15186",
"16187",
"17231",
"18174",
"19334",
"20545",
"21664",
"22950",
"24254"
]
| [
"nonn"
]
| 13 | 0 | 2 | null | null | Ralf W. Grosse-Kunstleve | 2018-04-10T08:26:36 | oeisdata/seq/A009/A009960.seq | 6dcc921cc6f1c600907f7ae831979c70 |
A009961 | Coordination sequence for sigma-CrFe, Position Xc. | [
"1",
"14",
"51",
"119",
"222",
"353",
"518",
"719",
"943",
"1208",
"1507",
"1837",
"2192",
"2584",
"2992",
"3449",
"3980",
"4476",
"5043",
"5664",
"6194",
"6889",
"7603",
"8276",
"9067",
"9862",
"10650",
"11498",
"12365",
"13253",
"14211",
"15235",
"16216",
"17263",
"18396",
"19360",
"20548",
"21776",
"22914",
"24174"
]
| [
"nonn"
]
| 13 | 0 | 2 | null | null | Ralf W. Grosse-Kunstleve | 2018-04-10T08:26:36 | oeisdata/seq/A009/A009961.seq | 92ac2eddf9ca970741ddc0e6f5ed97f5 |
A009962 | Coordination sequence for sigma-CrFe, Position Xa. | [
"1",
"15",
"51",
"125",
"225",
"366",
"535",
"729",
"963",
"1247",
"1522",
"1861",
"2213",
"2601",
"3037",
"3502",
"4011",
"4535",
"5039",
"5693",
"6252",
"6937",
"7669",
"8347",
"9119",
"9918",
"10659",
"11541",
"12421",
"13323",
"14316",
"15299",
"16283",
"17285",
"18407",
"19456",
"20597",
"21893",
"23029",
"24259"
]
| [
"nonn"
]
| 13 | 0 | 2 | null | null | Ralf W. Grosse-Kunstleve | 2018-04-10T08:26:36 | oeisdata/seq/A009/A009962.seq | b7e97923339660cb7b9dc79b85268b8c |
A009963 | Triangle of numbers n!(n-1)!...(n-k+1)!/(1!2!...k!). | [
"1",
"1",
"1",
"1",
"2",
"1",
"1",
"6",
"6",
"1",
"1",
"24",
"72",
"24",
"1",
"1",
"120",
"1440",
"1440",
"120",
"1",
"1",
"720",
"43200",
"172800",
"43200",
"720",
"1",
"1",
"5040",
"1814400",
"36288000",
"36288000",
"1814400",
"5040",
"1",
"1",
"40320",
"101606400",
"12192768000",
"60963840000",
"12192768000",
"101606400",
"40320",
"1"
]
| [
"nonn",
"tabl"
]
| 60 | 0 | 5 | [
"A000178",
"A007318",
"A009963",
"A010796",
"A010797",
"A010798",
"A010799",
"A010800",
"A060854",
"A079478",
"A090441",
"A193520"
]
| null | N. J. A. Sloane | 2022-04-13T01:14:45 | oeisdata/seq/A009/A009963.seq | aedfc9f397536ae9e0c97ee096c8cca3 |
A009964 | Powers of 20. | [
"1",
"20",
"400",
"8000",
"160000",
"3200000",
"64000000",
"1280000000",
"25600000000",
"512000000000",
"10240000000000",
"204800000000000",
"4096000000000000",
"81920000000000000",
"1638400000000000000",
"32768000000000000000"
]
| [
"nonn",
"easy"
]
| 80 | 0 | 2 | [
"A000079",
"A000244",
"A000302",
"A000351",
"A009964",
"A011557",
"A083233",
"A159991",
"A291066",
"A332705"
]
| null | N. J. A. Sloane | 2025-02-16T08:32:32 | oeisdata/seq/A009/A009964.seq | fcc0d27316157977727376c000921b6c |
A009965 | Powers of 21. | [
"1",
"21",
"441",
"9261",
"194481",
"4084101",
"85766121",
"1801088541",
"37822859361",
"794280046581",
"16679880978201",
"350277500542221",
"7355827511386641",
"154472377739119461",
"3243919932521508681",
"68122318582951682301",
"1430568690241985328321",
"30041942495081691894741",
"630880792396715529789561",
"13248496640331026125580781",
"278218429446951548637196401"
]
| [
"nonn",
"easy"
]
| 52 | 0 | 2 | [
"A009965",
"A329332"
]
| null | N. J. A. Sloane | 2023-08-31T18:04:09 | oeisdata/seq/A009/A009965.seq | 2cbbcb115d2969ba0a5e54ef2bc8424d |
A009966 | Powers of 22. | [
"1",
"22",
"484",
"10648",
"234256",
"5153632",
"113379904",
"2494357888",
"54875873536",
"1207269217792",
"26559922791424",
"584318301411328",
"12855002631049216",
"282810057883082752",
"6221821273427820544",
"136880068015412051968",
"3011361496339065143296",
"66249952919459433152512",
"1457498964228107529355264",
"32064977213018365645815808",
"705429498686404044207947776"
]
| [
"nonn",
"easy",
"changed"
]
| 50 | 0 | 2 | [
"A000079",
"A001020",
"A008776",
"A009966",
"A009988"
]
| null | N. J. A. Sloane | 2025-07-09T09:53:28 | oeisdata/seq/A009/A009966.seq | a4ef0e798d7e649ecdb80b3e1f079dc8 |
A009967 | Powers of 23. | [
"1",
"23",
"529",
"12167",
"279841",
"6436343",
"148035889",
"3404825447",
"78310985281",
"1801152661463",
"41426511213649",
"952809757913927",
"21914624432020321",
"504036361936467383",
"11592836324538749809",
"266635235464391245607",
"6132610415680998648961",
"141050039560662968926103",
"3244150909895248285300369",
"74615470927590710561908487",
"1716155831334586342923895201"
]
| [
"nonn",
"easy",
"changed"
]
| 57 | 0 | 2 | [
"A000079",
"A008776",
"A009967",
"A009990"
]
| null | N. J. A. Sloane | 2025-07-10T08:13:20 | oeisdata/seq/A009/A009967.seq | 7de108c9986a854a2074034928926e3b |
A009968 | Powers of 24: a(n) = 24^n. | [
"1",
"24",
"576",
"13824",
"331776",
"7962624",
"191102976",
"4586471424",
"110075314176",
"2641807540224",
"63403380965376",
"1521681143169024",
"36520347436056576",
"876488338465357824",
"21035720123168587776",
"504857282956046106624",
"12116574790945106558976",
"290797794982682557415424",
"6979147079584381377970176",
"167499529910025153071284224",
"4019988717840603673710821376"
]
| [
"nonn",
"easy"
]
| 62 | 0 | 2 | [
"A009968",
"A225816"
]
| null | N. J. A. Sloane | 2025-04-27T14:49:57 | oeisdata/seq/A009/A009968.seq | 6185fde1d0f617d3c21db313307830b6 |
A009969 | Powers of 25. | [
"1",
"25",
"625",
"15625",
"390625",
"9765625",
"244140625",
"6103515625",
"152587890625",
"3814697265625",
"95367431640625",
"2384185791015625",
"59604644775390625",
"1490116119384765625",
"37252902984619140625",
"931322574615478515625",
"23283064365386962890625",
"582076609134674072265625",
"14551915228366851806640625",
"363797880709171295166015625",
"9094947017729282379150390625"
]
| [
"nonn",
"easy"
]
| 50 | 0 | 2 | [
"A000351",
"A009969",
"A218728"
]
| null | N. J. A. Sloane | 2023-07-12T12:35:03 | oeisdata/seq/A009/A009969.seq | 46f0f036fc95370429a9ef98ee205fd7 |
A009970 | Powers of 26. | [
"1",
"26",
"676",
"17576",
"456976",
"11881376",
"308915776",
"8031810176",
"208827064576",
"5429503678976",
"141167095653376",
"3670344486987776",
"95428956661682176",
"2481152873203736576",
"64509974703297150976",
"1677259342285725925376",
"43608742899428874059776",
"1133827315385150725554176",
"29479510200013918864408576",
"766467265200361890474622976",
"19928148895209409152340197376"
]
| [
"nonn",
"easy"
]
| 53 | 0 | 2 | null | null | N. J. A. Sloane | 2025-03-24T22:34:39 | oeisdata/seq/A009/A009970.seq | 1269c40c0f138917823c232b178add1d |
A009971 | Powers of 27. | [
"1",
"27",
"729",
"19683",
"531441",
"14348907",
"387420489",
"10460353203",
"282429536481",
"7625597484987",
"205891132094649",
"5559060566555523",
"150094635296999121",
"4052555153018976267",
"109418989131512359209",
"2954312706550833698643",
"79766443076872509863361",
"2153693963075557766310747"
]
| [
"nonn",
"easy",
"changed"
]
| 48 | 0 | 2 | [
"A000244",
"A001019",
"A008585",
"A008776",
"A009971"
]
| null | N. J. A. Sloane | 2025-07-10T08:13:04 | oeisdata/seq/A009/A009971.seq | ec38fc3c275e7f34de4895b41856e845 |
A009972 | Powers of 28. | [
"1",
"28",
"784",
"21952",
"614656",
"17210368",
"481890304",
"13492928512",
"377801998336",
"10578455953408",
"296196766695424",
"8293509467471872",
"232218265089212416",
"6502111422497947648",
"182059119829942534144",
"5097655355238390956032",
"142734349946674946768896",
"3996561798506898509529088"
]
| [
"nonn",
"easy",
"changed"
]
| 44 | 0 | 2 | [
"A000079",
"A000302",
"A000420",
"A001023",
"A008776",
"A009972"
]
| null | N. J. A. Sloane | 2025-07-10T08:13:17 | oeisdata/seq/A009/A009972.seq | dba9ae55d5c069f2543a5ccfe1fee770 |
A009973 | Powers of 29. | [
"1",
"29",
"841",
"24389",
"707281",
"20511149",
"594823321",
"17249876309",
"500246412961",
"14507145975869",
"420707233300201",
"12200509765705829",
"353814783205469041",
"10260628712958602189",
"297558232675799463481",
"8629188747598184440949"
]
| [
"nonn",
"easy"
]
| 52 | 0 | 2 | null | null | N. J. A. Sloane, Dec 11 1996 | 2023-07-12T12:37:46 | oeisdata/seq/A009/A009973.seq | f5173c549e2dbe5c06c7cb23d592a3fb |
A009974 | Powers of 30. | [
"1",
"30",
"900",
"27000",
"810000",
"24300000",
"729000000",
"21870000000",
"656100000000",
"19683000000000",
"590490000000000",
"17714700000000000",
"531441000000000000",
"15943230000000000000",
"478296900000000000000",
"14348907000000000000000",
"430467210000000000000000",
"12914016300000000000000000"
]
| [
"nonn",
"easy",
"changed"
]
| 43 | 0 | 2 | [
"A000079",
"A000244",
"A008776",
"A009974",
"A011557",
"A159991",
"A329332"
]
| null | N. J. A. Sloane | 2025-07-10T13:51:14 | oeisdata/seq/A009/A009974.seq | 726c09dc8a660fdb1fd1af9b64178df1 |
A009975 | Powers of 31: a(n) = 31^n. | [
"1",
"31",
"961",
"29791",
"923521",
"28629151",
"887503681",
"27512614111",
"852891037441",
"26439622160671",
"819628286980801",
"25408476896404831",
"787662783788549761",
"24417546297445042591",
"756943935220796320321",
"23465261991844685929951",
"727423121747185263828481"
]
| [
"nonn",
"easy"
]
| 48 | 0 | 2 | null | null | N. J. A. Sloane | 2023-07-12T12:39:00 | oeisdata/seq/A009/A009975.seq | e481fe7971f30e70df6a55472a6eb739 |
A009976 | Powers of 32. | [
"1",
"32",
"1024",
"32768",
"1048576",
"33554432",
"1073741824",
"34359738368",
"1099511627776",
"35184372088832",
"1125899906842624",
"36028797018963968",
"1152921504606846976",
"36893488147419103232",
"1180591620717411303424",
"37778931862957161709568",
"1208925819614629174706176",
"38685626227668133590597632"
]
| [
"nonn",
"easy",
"changed"
]
| 62 | 0 | 2 | [
"A000079",
"A001025",
"A008587",
"A008776",
"A009976",
"A089357"
]
| null | N. J. A. Sloane | 2025-07-08T22:24:21 | oeisdata/seq/A009/A009976.seq | 497a84e81e1059fefc9e60aecac99d53 |
A009977 | Powers of 33. | [
"1",
"33",
"1089",
"35937",
"1185921",
"39135393",
"1291467969",
"42618442977",
"1406408618241",
"46411484401953",
"1531578985264449",
"50542106513726817",
"1667889514952984961",
"55040353993448503713",
"1816331681783800622529",
"59938945498865420543457",
"1977985201462558877934081",
"65273511648264442971824673"
]
| [
"nonn",
"easy",
"changed"
]
| 38 | 0 | 2 | [
"A000244",
"A001020",
"A008776",
"A009977",
"A327926"
]
| null | N. J. A. Sloane | 2025-07-12T04:25:32 | oeisdata/seq/A009/A009977.seq | a50eb748d7c33502886c78a4dd19192c |
A009978 | Powers of 34. | [
"1",
"34",
"1156",
"39304",
"1336336",
"45435424",
"1544804416",
"52523350144",
"1785793904896",
"60716992766464",
"2064377754059776",
"70188843638032384",
"2386420683693101056",
"81138303245565435904",
"2758702310349224820736",
"93795878551873643905024",
"3189059870763703892770816"
]
| [
"nonn",
"easy",
"changed"
]
| 40 | 0 | 2 | [
"A000079",
"A001026",
"A008776",
"A009978"
]
| null | N. J. A. Sloane | 2025-07-10T10:59:44 | oeisdata/seq/A009/A009978.seq | fdc63b4781ecb0a1bdf644eb69a94481 |
A009979 | Powers of 35. | [
"1",
"35",
"1225",
"42875",
"1500625",
"52521875",
"1838265625",
"64339296875",
"2251875390625",
"78815638671875",
"2758547353515625",
"96549157373046875",
"3379220508056640625",
"118272717781982421875",
"4139545122369384765625",
"144884079282928466796875",
"5070942774902496337890625"
]
| [
"nonn",
"easy",
"changed"
]
| 41 | 0 | 2 | [
"A000351",
"A000420",
"A008776",
"A009979"
]
| null | N. J. A. Sloane | 2025-07-10T16:04:02 | oeisdata/seq/A009/A009979.seq | bbb3d4ebf7c23db5bfbad190769db67d |
A009980 | Powers of 36. | [
"1",
"36",
"1296",
"46656",
"1679616",
"60466176",
"2176782336",
"78364164096",
"2821109907456",
"101559956668416",
"3656158440062976",
"131621703842267136",
"4738381338321616896",
"170581728179578208256",
"6140942214464815497216",
"221073919720733357899776",
"7958661109946400884391936"
]
| [
"nonn",
"easy",
"changed"
]
| 45 | 0 | 2 | [
"A000079",
"A000244",
"A000400",
"A001027",
"A005843",
"A008776",
"A009980"
]
| null | N. J. A. Sloane | 2025-07-10T13:51:09 | oeisdata/seq/A009/A009980.seq | bcfc5dcea122cdea70bfbc86ce0c8e9f |
A009981 | Powers of 37. | [
"1",
"37",
"1369",
"50653",
"1874161",
"69343957",
"2565726409",
"94931877133",
"3512479453921",
"129961739795077",
"4808584372417849",
"177917621779460413",
"6582952005840035281",
"243569224216081305397",
"9012061295995008299689"
]
| [
"nonn",
"easy"
]
| 46 | 0 | 2 | null | null | N. J. A. Sloane | 2024-02-21T08:18:11 | oeisdata/seq/A009/A009981.seq | d53039707183584a0590884753e8ea5d |
A009982 | Powers of 38. | [
"1",
"38",
"1444",
"54872",
"2085136",
"79235168",
"3010936384",
"114415582592",
"4347792138496",
"165216101262848",
"6278211847988224",
"238572050223552512",
"9065737908494995456",
"344498040522809827328",
"13090925539866773438464",
"497455170514937390661632",
"18903296479567620845142016"
]
| [
"nonn",
"easy",
"changed"
]
| 43 | 0 | 2 | [
"A000079",
"A000244",
"A001029",
"A008776",
"A009982"
]
| null | N. J. A. Sloane | 2025-07-10T10:59:36 | oeisdata/seq/A009/A009982.seq | e5a84dc96be084320f4ccfa2e76e5c99 |
A009983 | Powers of 39. | [
"1",
"39",
"1521",
"59319",
"2313441",
"90224199",
"3518743761",
"137231006679",
"5352009260481",
"208728361158759",
"8140406085191601",
"317475837322472439",
"12381557655576425121",
"482880748567480579719",
"18832349194131742609041",
"734461618571137961752599",
"28644003124274380508351361"
]
| [
"nonn",
"easy",
"changed"
]
| 42 | 0 | 2 | [
"A000244",
"A001022",
"A008776",
"A009983",
"A063941"
]
| null | N. J. A. Sloane | 2025-07-10T04:13:54 | oeisdata/seq/A009/A009983.seq | 86c9a399d9b35f24c3897c841389a35f |
A009984 | Powers of 40. | [
"1",
"40",
"1600",
"64000",
"2560000",
"102400000",
"4096000000",
"163840000000",
"6553600000000",
"262144000000000",
"10485760000000000",
"419430400000000000",
"16777216000000000000",
"671088640000000000000",
"26843545600000000000000",
"1073741824000000000000000",
"42949672960000000000000000"
]
| [
"nonn",
"easy",
"changed"
]
| 37 | 0 | 2 | [
"A000079",
"A000302",
"A008776",
"A009964",
"A009984",
"A011557",
"A259076"
]
| null | N. J. A. Sloane, Dec 11 1996 | 2025-07-10T13:51:05 | oeisdata/seq/A009/A009984.seq | 99939cee21c63856e50c7eb0fc580cd8 |
A009985 | Powers of 41. | [
"1",
"41",
"1681",
"68921",
"2825761",
"115856201",
"4750104241",
"194754273881",
"7984925229121",
"327381934393961",
"13422659310152401",
"550329031716248441",
"22563490300366186081",
"925103102315013629321",
"37929227194915558802161"
]
| [
"nonn",
"easy"
]
| 46 | 0 | 2 | null | null | N. J. A. Sloane | 2023-07-12T12:45:43 | oeisdata/seq/A009/A009985.seq | 2c4dd0ff8369bd72f7669f26caae73f8 |
A009986 | Powers of 42. | [
"1",
"42",
"1764",
"74088",
"3111696",
"130691232",
"5489031744",
"230539333248",
"9682651996416",
"406671383849472",
"17080198121677824",
"717368321110468608",
"30129469486639681536",
"1265437718438866624512",
"53148384174432398229504",
"2232232135326160725639168",
"93753749683698750476845056"
]
| [
"nonn",
"easy",
"changed"
]
| 38 | 0 | 2 | [
"A000079",
"A000400",
"A000420",
"A008776",
"A009965",
"A009986"
]
| null | N. J. A. Sloane | 2025-07-10T16:04:06 | oeisdata/seq/A009/A009986.seq | 24cc02027ee84d5ea1b6d75034276694 |
A009987 | Powers of 43. | [
"1",
"43",
"1849",
"79507",
"3418801",
"147008443",
"6321363049",
"271818611107",
"11688200277601",
"502592611936843",
"21611482313284249",
"929293739471222707",
"39959630797262576401",
"1718264124282290785243",
"73885357344138503765449"
]
| [
"nonn",
"easy",
"changed"
]
| 44 | 0 | 2 | null | null | N. J. A. Sloane | 2025-07-08T11:28:19 | oeisdata/seq/A009/A009987.seq | 2d54fd0e746b34f58e8a2efbf9118b9e |
A009988 | Powers of 44. | [
"1",
"44",
"1936",
"85184",
"3748096",
"164916224",
"7256313856",
"319277809664",
"14048223625216",
"618121839509504",
"27197360938418176",
"1196683881290399744",
"52654090776777588736",
"2316779994178213904384",
"101938319743841411792896",
"4485286068729022118887424",
"197352587024076973231046656"
]
| [
"nonn",
"easy",
"changed"
]
| 37 | 0 | 2 | [
"A000079",
"A000302",
"A001020",
"A008776",
"A009966",
"A009988"
]
| null | N. J. A. Sloane | 2025-07-09T09:54:24 | oeisdata/seq/A009/A009988.seq | e927e6bfe5534173601999e1103497bb |
A009989 | Powers of 45. | [
"1",
"45",
"2025",
"91125",
"4100625",
"184528125",
"8303765625",
"373669453125",
"16815125390625",
"756680642578125",
"34050628916015625",
"1532278301220703125",
"68952523554931640625",
"3102863559971923828125",
"139628860198736572265625",
"6283298708943145751953125",
"282748441902441558837890625"
]
| [
"nonn",
"easy",
"changed"
]
| 40 | 0 | 2 | [
"A000244",
"A000351",
"A001019",
"A001024",
"A008776",
"A009989"
]
| null | N. J. A. Sloane | 2025-07-10T16:04:09 | oeisdata/seq/A009/A009989.seq | 34a41124e382eac0d41ffd47d83d2c98 |
A009990 | Powers of 46. | [
"1",
"46",
"2116",
"97336",
"4477456",
"205962976",
"9474296896",
"435817657216",
"20047612231936",
"922190162669056",
"42420747482776576",
"1951354384207722496",
"89762301673555234816",
"4129065876983540801536",
"189937030341242876870656",
"8737103395697172336050176",
"401906756202069927458308096"
]
| [
"nonn",
"easy",
"changed"
]
| 35 | 0 | 2 | [
"A000079",
"A008776",
"A009967",
"A009990"
]
| null | N. J. A. Sloane | 2025-07-10T10:59:40 | oeisdata/seq/A009/A009990.seq | 376698de2aee05cf22cf74d9887f74d0 |
A009991 | Powers of 47. | [
"1",
"47",
"2209",
"103823",
"4879681",
"229345007",
"10779215329",
"506623120463",
"23811286661761",
"1119130473102767",
"52599132235830049",
"2472159215084012303",
"116191483108948578241",
"5460999706120583177327"
]
| [
"nonn",
"easy"
]
| 44 | 0 | 2 | null | null | N. J. A. Sloane | 2023-07-12T12:49:04 | oeisdata/seq/A009/A009991.seq | ec282dc54d744b36fd5b05735664e009 |
A009992 | Powers of 48: a(n) = 48^n. | [
"1",
"48",
"2304",
"110592",
"5308416",
"254803968",
"12230590464",
"587068342272",
"28179280429056",
"1352605460594688",
"64925062108545024",
"3116402981210161152",
"149587343098087735296",
"7180192468708211294208",
"344649238497994142121984",
"16543163447903718821855232"
]
| [
"nonn",
"easy"
]
| 64 | 0 | 2 | [
"A000079",
"A000244",
"A000302",
"A000400",
"A001018",
"A001021",
"A001025",
"A001029",
"A009964",
"A009968",
"A009991",
"A009992",
"A087752"
]
| null | N. J. A. Sloane | 2023-07-12T12:50:04 | oeisdata/seq/A009/A009992.seq | 2cd6302c273cdc5df351f382d7cc18be |
A009993 | Numbers whose decimal digits are in strictly increasing order. | [
"0",
"1",
"2",
"3",
"4",
"5",
"6",
"7",
"8",
"9",
"12",
"13",
"14",
"15",
"16",
"17",
"18",
"19",
"23",
"24",
"25",
"26",
"27",
"28",
"29",
"34",
"35",
"36",
"37",
"38",
"39",
"45",
"46",
"47",
"48",
"49",
"56",
"57",
"58",
"59",
"67",
"68",
"69",
"78",
"79",
"89",
"123",
"124",
"125",
"126",
"127",
"128",
"129",
"134",
"135",
"136",
"137",
"138",
"139",
"145",
"146",
"147",
"148",
"149",
"156",
"157"
]
| [
"nonn",
"fini",
"full",
"base"
]
| 42 | 1 | 3 | [
"A009993",
"A009995"
]
| null | N. J. A. Sloane | 2025-02-16T08:32:32 | oeisdata/seq/A009/A009993.seq | b3256ade3d7035a8c1aaacc47f91c949 |
A009994 | Numbers with digits in nondecreasing order. | [
"0",
"1",
"2",
"3",
"4",
"5",
"6",
"7",
"8",
"9",
"11",
"12",
"13",
"14",
"15",
"16",
"17",
"18",
"19",
"22",
"23",
"24",
"25",
"26",
"27",
"28",
"29",
"33",
"34",
"35",
"36",
"37",
"38",
"39",
"44",
"45",
"46",
"47",
"48",
"49",
"55",
"56",
"57",
"58",
"59",
"66",
"67",
"68",
"69",
"77",
"78",
"79",
"88",
"89",
"99",
"111",
"112",
"113",
"114",
"115",
"116",
"117",
"118",
"119",
"122"
]
| [
"nonn",
"base",
"look"
]
| 92 | 1 | 3 | [
"A009994",
"A036839",
"A052382",
"A152054",
"A254143"
]
| null | N. J. A. Sloane | 2025-02-16T08:32:32 | oeisdata/seq/A009/A009994.seq | b8e9c214f3374a5917712f5259219080 |
A009995 | Numbers with digits in strictly decreasing order. From the Macaulay expansion of n. | [
"0",
"1",
"2",
"3",
"4",
"5",
"6",
"7",
"8",
"9",
"10",
"20",
"21",
"30",
"31",
"32",
"40",
"41",
"42",
"43",
"50",
"51",
"52",
"53",
"54",
"60",
"61",
"62",
"63",
"64",
"65",
"70",
"71",
"72",
"73",
"74",
"75",
"76",
"80",
"81",
"82",
"83",
"84",
"85",
"86",
"87",
"90",
"91",
"92",
"93",
"94",
"95",
"96",
"97",
"98",
"210",
"310",
"320",
"321",
"410",
"420",
"421",
"430",
"431",
"432",
"510",
"520",
"521",
"530"
]
| [
"nonn",
"fini",
"full",
"base",
"look",
"changed"
]
| 54 | 1 | 3 | [
"A009993",
"A009995",
"A262557",
"A263327",
"A263328"
]
| null | N. J. A. Sloane | 2025-07-08T01:26:32 | oeisdata/seq/A009/A009995.seq | 45ba659d1f1a8dd7cd70e1b70a4f1ee5 |
A009996 | Numbers with digits in nonincreasing order. | [
"0",
"1",
"2",
"3",
"4",
"5",
"6",
"7",
"8",
"9",
"10",
"11",
"20",
"21",
"22",
"30",
"31",
"32",
"33",
"40",
"41",
"42",
"43",
"44",
"50",
"51",
"52",
"53",
"54",
"55",
"60",
"61",
"62",
"63",
"64",
"65",
"66",
"70",
"71",
"72",
"73",
"74",
"75",
"76",
"77",
"80",
"81",
"82",
"83",
"84",
"85",
"86",
"87",
"88",
"90",
"91",
"92",
"93",
"94",
"95",
"96",
"97",
"98",
"99",
"100",
"110",
"111",
"200",
"210",
"211"
]
| [
"nonn",
"base",
"look"
]
| 55 | 1 | 3 | [
"A009996",
"A032873",
"A032907",
"A064222",
"A152054"
]
| null | N. J. A. Sloane | 2025-02-16T08:32:32 | oeisdata/seq/A009/A009996.seq | 2f03d80af7eabf4acc4326623fc8e636 |
A009997 | Number of comparative probability orderings on all subsets of n elements that can arise by assigning a probability distribution to the individual elements. | [
"1",
"1",
"1",
"2",
"14",
"516",
"124187",
"214580603"
]
| [
"nonn",
"hard",
"more",
"nice"
]
| 40 | 0 | 4 | [
"A005806",
"A009997",
"A361388"
]
| null | N. J. A. Sloane | 2023-03-24T18:08:08 | oeisdata/seq/A009/A009997.seq | 1aee6721de2661df52a3d89bf4f7d8cb |
A009998 | Triangle in which j-th entry in i-th row is (j+1)^(i-j). | [
"1",
"1",
"1",
"1",
"2",
"1",
"1",
"4",
"3",
"1",
"1",
"8",
"9",
"4",
"1",
"1",
"16",
"27",
"16",
"5",
"1",
"1",
"32",
"81",
"64",
"25",
"6",
"1",
"1",
"64",
"243",
"256",
"125",
"36",
"7",
"1",
"1",
"128",
"729",
"1024",
"625",
"216",
"49",
"8",
"1",
"1",
"256",
"2187",
"4096",
"3125",
"1296",
"343",
"64",
"9",
"1",
"1",
"512",
"6561",
"16384",
"15625",
"7776",
"2401",
"512",
"81",
"10",
"1"
]
| [
"tabl",
"nonn",
"easy",
"nice"
]
| 41 | 0 | 5 | [
"A000079",
"A000169",
"A000244",
"A000272",
"A000290",
"A000312",
"A000578",
"A002109",
"A007318",
"A009998",
"A009999",
"A026898",
"A059481",
"A062319",
"A066959",
"A088956",
"A123125",
"A143773",
"A176029",
"A179927",
"A204688",
"A326358",
"A327527",
"A343656",
"A343657"
]
| null | N. J. A. Sloane | 2021-05-20T23:04:57 | oeisdata/seq/A009/A009998.seq | 0aece6a906099cbe9a68bb8352c1190e |
A009999 | Triangle in which j-th entry in i-th row is (i+1-j)^j, 0<=j<=i. | [
"1",
"1",
"1",
"1",
"2",
"1",
"1",
"3",
"4",
"1",
"1",
"4",
"9",
"8",
"1",
"1",
"5",
"16",
"27",
"16",
"1",
"1",
"6",
"25",
"64",
"81",
"32",
"1",
"1",
"7",
"36",
"125",
"256",
"243",
"64",
"1",
"1",
"8",
"49",
"216",
"625",
"1024",
"729",
"128",
"1",
"1",
"9",
"64",
"343",
"1296",
"3125",
"4096",
"2187",
"256",
"1",
"1",
"10",
"81",
"512",
"2401",
"7776",
"15625",
"16384",
"6561",
"512",
"1"
]
| [
"tabl",
"nonn",
"easy"
]
| 45 | 0 | 5 | [
"A000169",
"A009998",
"A009999",
"A026898",
"A051128",
"A095884"
]
| null | N. J. A. Sloane | 2024-05-12T17:34:35 | oeisdata/seq/A009/A009999.seq | 150682bd28645a0efcd73c4c1ef4e27a |
A010000 | a(0) = 1, a(n) = n^2 + 2 for n > 0. | [
"1",
"3",
"6",
"11",
"18",
"27",
"38",
"51",
"66",
"83",
"102",
"123",
"146",
"171",
"198",
"227",
"258",
"291",
"326",
"363",
"402",
"443",
"486",
"531",
"578",
"627",
"678",
"731",
"786",
"843",
"902",
"963",
"1026",
"1091",
"1158",
"1227",
"1298",
"1371",
"1446",
"1523",
"1602",
"1683",
"1766",
"1851",
"1938",
"2027",
"2118",
"2211",
"2306",
"2403"
]
| [
"nonn",
"easy"
]
| 73 | 0 | 2 | [
"A002061",
"A010000",
"A059100",
"A070864",
"A206399"
]
| null | N. J. A. Sloane | 2024-12-14T03:57:52 | oeisdata/seq/A010/A010000.seq | 5c3382a133a2b01083d808e59ace7281 |
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