N8Programs/oeis-enhanced · Datasets at Hugging Face

id stringlengths 7 11	seq listlengths 1 347	keywords listlengths 1 8 ⌀
A250828	[ 9025, 411451, 16545428, 516786049, 14616585449, 366421422539, 8570987173563, 187132331843709, 3894306129454857, 77565963024384340, 1493626801625467600, 27916333204907848000, 509240501844949300000, 9.094396598776359e+21 ]	[ "nonn" ]
A157812	[ 1, 9, 20, 351, 380, 3249, 6860, 229167, 118460, 971919, 1981100, 32152941, 32499740, 262096389, 527337740, 33900692319, 8503972220, 68206642659, 136664636780, 2189507427531, 2192051783900, 17555075136729, 35121618358220, 1123425366518277, 562385127902780 ]	[ "sign", "frac" ]
A003154	[ 1, 13, 37, 73, 121, 181, 253, 337, 433, 541, 661, 793, 937, 1093, 1261, 1441, 1633, 1837, 2053, 2281, 2521, 2773, 3037, 3313, 3601, 3901, 4213, 4537, 4873, 5221, 5581, 5953, 6337, 6733, 7141, 7561, 7993, 8437, 8893, 9361, 9841, 10333,...	[ "nonn", "easy", "nice" ]
A362507	[ 1546, 2066, 2234, 2554, 3334, 3566, 3814, 4586, 4894, 4946, 5422, 5594, 6098, 6602, 6694, 6746, 7286, 7346, 7706, 7846, 7886, 8042, 8114, 8438, 8986, 9094, 9806, 10154, 10294, 10786, 10834, 10886, 11038, 11138, 11246, 11846, 12094, 13406, 1...	[ "nonn" ]
A205277	[ 256, 2504, 2504, 23244, 87912, 23244, 177050, 2940732, 2940732, 177050, 1284356, 77255835, 390106512, 77255835, 1284356, 8458978, 1905682493, 39435964246, 39435964246, 1905682493, 8458978, 53679123, 40440032498, 3697283479275 ]	[ "nonn", "tabl" ]
A183055	[ 1, 1, 2, 3, 5, 7, 11, 22, 77, 101 ]	[ "nonn", "base", "hard", "more" ]
A187412	[ 2, 4, 6, 8, 10, 12, 15, 16, 19, 20, 23, 25, 27, 29, 31, 33, 36, 38, 39, 41, 44, 46, 48, 50, 52, 54, 57, 59, 61, 62, 65, 67, 69, 71, 73, 75, 77, 80, 82, 84, 86, 88, 90, 92, 94, 96, 98, 101, 103, 105, 107, 109, 111...	[ "nonn" ]
A272773	[ 1, 8, 56, 360, 2240, 13696, 82808, 496656, 2961136, 17573608, 103911424, 612577272, 3602222736, 21137815952, 123811421128, 724064474968, 4228582808424 ]	[ "nonn", "walk", "more" ]
A130566	[ 1, 48, 186, 460, 915, 1596, 2548, 3816, 5445, 7480, 9966, 12948, 16471, 20580, 25320, 30736, 36873, 43776, 51490, 60060, 69531, 79948, 91356, 103800, 117325, 131976, 147798, 164836, 183135, 202740, 223696, 246048, 269841, 295120, 321930, 350316, ...	[ "nonn", "easy" ]
A054422	[ 1, 1, 0, 3, 10, 54, 222, 1107, 5346, 27399, 142770, 764967, 4170672, 23140813, 130189302, 741650172, 4270501218, 24825326196, 145534796520, 859627488963, 5112003992610, 30586307195304, 184023393204654, 1112800162657899 ]	[ "nonn", "easy" ]
A126642	[ 5, 25, 125, 601, 2765, 12265, 52925, 223801, 932525, 3844105, 15722525, 63936601, 258902285, 1045109545, 4209004925, 16921851001, 67945160045, 272554432585, 1092540156125, 4377129999001, 17529432313805, 70180474597225, 280910151192125 ]	[ "nonn", "base", "easy" ]
A111500	[ 1, 10, 31, 72, 137, 234, 367, 544, 769, 1050, 1391, 1800, 2281, 2842, 3487, 4224, 5057, 5994, 7039, 8200, 9481, 10890, 12431, 14112, 15937, 17914, 20047, 22344, 24809, 27450, 30271, 33280, 36481, 39882, 43487, 47304, 51337, 55594, 60079, ...	[ "nonn", "easy" ]
A166944	[ 2, 4, 5, 6, 9, 12, 13, 14, 21, 22, 23, 24, 25, 26, 39, 40, 45, 54, 55, 60, 61, 62, 63, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 129, 130, 135, 138, 139, 140, 147, 148, 1...	[ "nonn" ]
A284674	[ 0, 1, 1, 1, 1, 0, 1, 1, 1, 0, 1, 1, 1, 0, 1, 1, 1, 1, 0, 1, 1, 1, 0, 1, 1, 1, 0, 1, 1, 1, 1, 0, 1, 1, 1, 0, 1, 1, 1, 0, 1, 1, 1, 1, 0, 1, 1, 1, 0, 1, 1, 1, 0, 1, 1, 1, 0, 1, 1, 1, 1, 0, 1, 1...	[ "nonn", "easy" ]
A354292	[ 5, 13, 31, 37, 61, 79, 97, 103 ]	[ "nonn", "more" ]
A330464	[ 1, 1, 3, 9, 32, 111, 463, 1942 ]	[ "nonn", "more" ]
A180301	[ 1, 2, 200, 201, 202, 2000, 2001, 2002, 2200, 2201, 2202, 2000000000000, 2000000000001, 2000000000002, 2000000000200, 2000000000201, 2000000000202, 2000000002000, 2000000002001, 2000000002002, 2000000002200, 2000000002201, 2000000002202 ]	[ "easy", "fini", "nonn", "word" ]
A079817	[ 1, 9, 54, 261, 919, 1246, 378, 12 ]	[ "nonn", "fini", "full" ]
A243754	[ 1, 0, 0, 1, 1, 9, 1, 127, 323, 1515, 4191, 10455, 20705, 93802, 113634, 3219205, 10626023, 45980364, 139604903, 555857157, 1334821448, 7577098816, 20676558270, 61994003643, 193904367362, 800928670232, 2374027931492, 12506574770693, 29311991924792 ]	[ "nonn" ]
A014444	[ 1, -1, 0, 1, -1, 1, 0, -1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, -1, 0, 1, -1, 1, 0, -1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, -1, 0, 1, ...	[ "sign" ]
A066114	[ 1, 2, 7, 30, 156, 960, 6840, 55440, 504000, 5080320, 56246400, 678585600, 8861529600, 124540416000, 1874333260800, 30076510464000, 512608352256000, 9247873130496000, 176065276907520000, 3527707911856128000, 74203511249387520000 ]	[ "nonn", "easy" ]
A328937	[ 4, 11, 25, 59, 127, 252, 471, 928, 1734, 3462, 6615, 12725, 24396, 46877, 89854, 173331, 334737, 647265, 1253176 ]	[ "nonn", "more" ]
A091747	[ 1, 42, 14, 1, 5544, 3192, 588, 42, 1, 1507968, 1165248, 321552, 41496, 2688, 84, 1, 696681216, 655966080, 232606080, 41497344, 4143552, 240240, 7980, 140, 1, 489070213632, 533531142144, 226306918656, 50249808000, 6575950080 ]	[ "nonn", "easy", "tabf" ]
A282825	[ 1, 2, 4, 9, 18, 36, 75, 145, 300, 579, 1205, 2304, 4817, 9230, 19316, 36897, 77150, 147468, 309105, 590374, 1234264, 2359303, 4945691, 9446113, 19747934, 37749644, 79130993, 151137326, 315966404, 603995529, 1266096182, 2418198336, 5055461945, 9663926...	[ "nonn", "easy" ]
A114721	[ 48, 5760, 80640, 430080, 1216512, 1476034560, 2555904, 8021606400, 64012419072, 131491430400, 3472883712, 25282593423360, 20132659200, 25222195445760, 2675794690179072, 2172909854392320, 6803228196864 ]	[ "nonn", "frac" ]
A228896	[ 2, 3, 5, 7, 9, 12, 16, 17, 19, 23, 25, 26, 29, 31, 34, 39, 41, 43, 45, 46, 50, 55, 57, 59, 62, 63, 64, 66, 69, 70, 71, 74, 75, 81, 84, 85, 91, 93, 94, 97, 98, 99, 101, 104, 105, 107, 109, 111, 112, 116, 117, 119, ...	[ "nonn", "easy" ]
A096481	[ 2, 19, 11, 79, 53, 47, 137, 331, 293, 971, 457, 263, 367, 1231, 757, 3607, 1229, 1663, 6131, 12227, 1879, 1831, 10733, 8423, 9221, 7393, 3793, 32941, 19213, 45863, 21961, 51871, 25763, 37591, 16879, 89017, 98867, 138241, 63611, 44773, 7...	[ "nonn" ]
A333386	[ 1, 2, 3, 7, 5, 6, 7, 27, 25, 10, 11, 23, 13, 14, 15, 113, 17, 52, 19, 39, 21, 22, 23, 91, 121, 26, 229, 55, 29, 30, 31, 469, 33, 34, 35, 211, 37, 38, 39, 155, 41, 42, 43, 87, 133, 46, 47, 369, 337, 246, 51, 103, ...	[ "nonn" ]
A290290	[ 3432, 5980, 12870, 12880, 13090, 14280, 14586, 20475, 28272, 28275, 31416, 31450, 34580, 35650, 39270, 45045, 45220, 72072, 76076, 96135, 97812, 106080, 106590, 120120, 121992, 125580, 132804, 139230, 173420, 181350, 185640, 191400, 195624, 202275, ...	[ "nonn" ]
A385643	[ 1, 5, 14, 16, 41, 43, 47, 49, 122, 124, 128, 130, 140, 142, 146, 148, 365, 367, 371, 373, 383, 385, 389, 391, 419, 421, 425, 427, 437, 439, 443, 445, 1094, 1096, 1100, 1102, 1112, 1114, 1118, 1120, 1148, 1150, 1154, 1156, 1166, ...	[ "nonn", "easy", "look" ]
A220067	[ 7, 65, 878, 10179, 122999, 1493178, 18090893, 219096964, 2653795961, 32143795941, 389333836784, 4715703725034, 57117731681641 ]	[ "nonn" ]
A317768	[ 3, 4, 5, 11, 16, 28, 44, 74, 122, 209, 344, 584, 981, 1670, 2806, 4758, 8047, 13665, 23111, 39195, 66419, 112700, 190989, 323943, 549302, 931821, 1580102, 2680148, 4545629, 7710521, 13077362, 22181756, 37623572, 63817667, 108244170, 183603356 ]	[ "nonn" ]
A055288	[ 1, -1, 1, 1, -2, 1, 0, 2, -3, 1, -3, 2, 4, -4, 1, 5, -11, 4, 6, -5, 1, 9, 4, -26, 9, 9, -6, 1, -44, 72, 3, -52, 15, 12, -7, 1, -50, -82, 213, -20, -94, 24, 16, -8, 1, 545, -857, -53, 546, -82, -146, 35, 20, -9,...	[ "sign", "tabl" ]
A380248	[ 3, 8, 7, 1, 12, 6, 4, 2, 11, 13, 10, 9, 5 ]	[ "nonn", "fini", "full", "word" ]
A050400	[ 5, 1, 17, 43, 181, 621, 2309, 8303, 30277, 109753, 398857, 1447931, 5258725, 19095285, 69344061, 251811903, 914429445, 3320635025, 12058502657, 43789003563, 159014593621, 577442573597, 2096914206261, 7614694850543, 27651860345029, 100414447219721, 364643142303353 ...	[ "easy", "nonn" ]
A020595	[ 1, 25, 421, 5965, 76741, 929005, 10791061, 121699645, 1342777381, 14569879885, 156038219701, 1653799781725, 17380932862021, 181408804717165, 1882561696208341, 19442349988398204, 199976918230722660, 2049766874087337000, 20947749526851027000, 213528831702049260000 ]	[ "nonn", "easy" ]
A187573	[ 5, 9, 13, 17, 24, 28, 32, 39, 43, 47, 54, 58, 62, 69, 73, 77, 81, 85, 89, 96, 100, 104, 111, 115, 119, 126, 130, 134, 138, 142, 146, 153, 157, 161, 168, 172, 176, 183, 187, 191, 195, 199, 203, 210, 214, 218, 225, 229, 23...	[ "nonn" ]
A005523	[ 5, 7, 9, 10, 13, 14, 16, 18, 21, 25, 26, 28, 33, 36, 38, 40, 43, 44, 50, 54, 57, 61, 64, 68, 75, 77, 81, 84, 88, 91, 97, 100, 102, 108, 117, 122, 124, 128, 130, 135, 144, 148, 150, 150, 154, 161, 163, 174, 176, 183, ...	[ "nonn", "easy" ]
A149066	[ 1, 1, 3, 11, 41, 165, 693, 2975, 13102, 58543, 265533, 1216437, 5625630, 26208715, 122883878, 579308565, 2743787003, 13048731447, 62277382336, 298169598323, 1431550417591, 6890222494696, 33237555228170, 160656725334807, 777962747662943, 3773430268357265, 183302246...	[ "nonn", "walk" ]
A275666	[ 2, 3, 6, 2, 5, 5, 10, 3, 5, 5, 6, 10, 2, 4, 6, 12, 3, 3, 4, 12, 4, 5, 5, 6, 10, 12, 2, 7, 7, 7, 14, 3, 6, 7, 7, 7, 14, 4, 6, 7, 7, 7, 12, 14, 5, 5, 7, 7, 7, 10, 14, 2, 3, 10, 15, 2, 4, 10, 12, 15, ...	[ "nonn", "base", "tabf" ]
A213007	[ 8, 7, 0, 5, 8, 8, 3, 8 ]	[ "nonn", "cons", "hard", "more" ]
A195666	[ 17, 52, 88, 99, 147, 175, 210, 224, 250, 252, 300, 320, 360, 384, 405, 432, 486 ]	[ "nonn", "full", "fini" ]
A373120	[ 1, 1, 1, 2, 3, 4, 6, 8, 11, 15, 20, 26, 33, 43, 55, 70, 89, 109, 136, 167, 206, 251, 306, 371, 445, 535, 639, 759, 904, 1069, 1262, 1489, 1747, 2047, 2390, 2784, 3237, 3754, 4350, 5027, 5798, 6680, 7671, 8808, 10091, 11543, ...	[ "nonn" ]
A165282	[ 1, 15, 210, 2940, 41160, 576240, 8067360, 112943040, 1581202560, 22136835735, 309915698820, 4338819763005, 60743476395420, 850408665522780, 11905721261135520, 166680096869329660, 2333521345158669300 ]	[ "nonn" ]
A097939	[ 1, 3, 6, 12, 22, 42, 79, 151, 291, 566, 1106, 2175, 4293, 8499, 16864, 33523, 66727, 132958, 265137, 529050, 1056169, 2109282, 4213710, 8419697, 16827079, 33634489, 67237513, 134424624, 268768414, 537407062, 1074605619, 2148875961, 4297212424, 859355...	[ "easy", "nonn" ]
A349628	[ 1, 1, 4, 7, 6, 1, 8, 35, 52, 1, 12, 14, 14, 1, 24, 155, 18, 1, 20, 21, 32, 1, 24, 70, 186, 1, 104, 28, 30, 1, 32, 217, 48, 1, 16, 26, 38, 1, 56, 35, 42, 1, 44, 42, 312, 1, 48, 310, 456, 1, 72, 49, 54, 1, 72, ...	[ "nonn", "frac" ]
A245124	[ 1, 4, 11, 28, 70, 160, 366, 804, 1748, 3734, 7918, 16597, 34601, 71628, 147631, 302857, 619231, 1261849, 2564795, 5200248, 10522565, 21252174, 42854194, 86286963, 173517189, 348523105, 699311092, 1401837776, 2807733181, 5619221464, 11238041122, 224607774...	[ "nonn" ]
A346792	[ 1, -1, -1, 0, 0, 1, 0, 3, 1, -1, -4, -10, 3, 0, 9, 19, 9, 2, -44, -27, -40, -3, 95, 75, 156, -36, -181, -274, -349, 81, 205, 982, 832, 35, -596, -2587, -1803, -1259, 2118, 5876, 5365, 4922, -6811, -12175, -17181, -12932, 141...	[ "sign" ]
A179417	[ 1, 5, 24, 104, 279, 2001, 4131, 17453, 88826, 362532, 1655660, 6120642, 25376649, 128526482, 301370205, 1756488602, 8046359747, 30854867177, 73845140753, 488906501177, 2106640948770, 6573967883049, 29711211505300 ]	[ "nonn", "base" ]
A341564	[ 1, -27, -378, -832, 729, -2484, 14870, 10206, -22302, -16300, 22464, -115128, 64759, -19683, 157086, -16456, 67068, 314496, -149266, -401490, -241110, -443188, -275562, 922752, -131319, 602154, -697626, 938952, 440100, 870156, 2067062, -606528, -562086...	[ "sign" ]
A054888	[ 1, 5, 15, 40, 105, 275, 720, 1885, 4935, 12920, 33825, 88555, 231840, 606965, 1589055, 4160200, 10891545, 28514435, 74651760, 195440845, 511670775, 1339571480, 3507043665, 9181559515, 24037634880, 62931345125 ]	[ "nonn", "easy" ]
A011684	[ 0, 0, 0, 0, 0, 0, 1, 0, 1, 1, 0, 0, 0, 0, 0, 1, 1, 1, 0, 1, 0, 0, 0, 0, 1, 0, 0, 1, 1, 1, 0, 0, 0, 1, 1, 0, 1, 0, 0, 1, 0, 0, 1, 0, 1, 1, 1, 0, 1, 1, 0, 1, 1, 1, 0, 0, 1, 1, 0, 1, 1, 0, 0, 1...	[ "nonn" ]
A124157	[ 0, 1, 3, 6, 10, 15, 21, 28, 35 ]	[ "nonn", "more" ]
A169258	[ 1, 5, 20, 80, 320, 1280, 5120, 20480, 81920, 327680, 1310720, 5242880, 20971520, 83886080, 335544320, 1342177280, 5368709120, 21474836480, 85899345920, 343597383680, 1374389534720, 5497558138880, 21990232555520, 87960930222080 ]	[ "nonn" ]
A042025	[ 1, 6, 7, 13, 33, 178, 389, 567, 956, 6303, 290894, 1751667, 2042561, 3794228, 9631017, 51949313, 113529643, 165478956, 279008599, 1839530550, 84897413899, 511224013944, 596121427843, 1107345441787, 2810812311417, 15161406998872, 33133626309161 ]	[ "nonn", "frac", "easy" ]
A185431	[ 4370405405266, 1297535366114472, 209290512833668800, 22687513754718780000, 1.8128177999652287e+21, 1.1284936335515044e+23, 5.68628399845316e+24, 2.3861876339647673e+26 ]	[ "nonn" ]
A345992	[ 1, 1, 1, 1, 1, 2, 1, 1, 1, 2, 1, 3, 1, 2, 5, 1, 1, 2, 1, 4, 3, 2, 1, 8, 1, 2, 1, 7, 1, 5, 1, 1, 11, 2, 7, 4, 1, 2, 3, 5, 1, 6, 1, 11, 9, 2, 1, 3, 1, 2, 17, 4, 1, 2, 5, 7, 3, 2, 1, 15, 1, 2, 9,...	[ "nonn" ]
A092427	[ 2, 6, 12, 12, 12, 24, 24, 36, 40, 45, 48, 60, 60, 60, 72, 72, 72, 80, 80, 90, 90, 120, 120, 120, 120, 120, 120, 120, 144, 144, 144, 144, 144, 144, 144, 180, 180, 180, 180, 180, 180, 180, 180, 180, 240, 240, 240, 240, 240...	[ "nonn" ]
A134339	[ 2, 2, 6, 2, 2, 24, 2, 2, 6, 40, 2, 24, 2, 2, 180, 2, 2, 24, 2, 40, 252, 2, 2, 24, 2, 2, 6, 112, 2, 720, 2, 2, 6, 2, 2, 1728, 2, 2, 6, 40, 2, 1008, 2, 2, 16200, 2, 2, 24, 2, 40, 6, 2, 2, 24, 220, 112, 6, ...	[ "nonn" ]
A380950	[ 1, 1, 2, 3, 16, 45, 128, 175, 2048, 11025, 32768, 43659, 262144, 693693, 2097152, 2760615, 67108864, 703956825, 2147483648, 2807136475, 17179869184, 44801898141, 137438953472, 178837328943, 2199023255552, 11425718238025, 35184372088832, 45635265151875, 2814749...	[ "nonn", "frac" ]
A374023	[ 3195380868, 5208143601, 5208143602, 5327400945, 5604994082, 5604994083, 6940533603, 6940533604, 7109053186, 7112231268, 19355940562, 22180594465, 24073076004, 24155988484, 29495293764, 30997967601, 41999754228, 42322452483, 42322452484, 45479198003, 46553917683 ]	[ "nonn" ]
A362912	[ 1, 1, 5, 34, 303, 3371, 45016, 701401, 12490057, 250215916, 5569582777, 136371309999, 3642603629462, 105405416033607, 3284722016179597, 109672448519030700, 3905936524326557700, 147802493781420540000, 5.921911678533323e+21 ]	[ "nonn" ]
A330702	[ 70, 308, 572, 2132, 4292, 6764, 12212, 32804, 72836, 79292, 169724, 198596, 207692, 289052, 362972, 392426, 545876, 547724, 611612, 651932, 678812, 687812, 809252, 842012, 868436, 930932, 1030772, 1032956, 1122932, 1336052, 1627772, 1705892, 1722932, ...	[ "nonn", "changed" ]
A059690	[ 1, 2, 2, 2, 3, 5, 7, 13, 20, 31, 52, 83, 142, 242, 412, 742, 1308, 2294, 4040, 7327, 13253, 24255, 44306, 81700, 150401, 277335, 513705, 954847, 1780466, 3325109, 6224282, 11676337, 21947583, 41327438 ]	[ "nonn", "more" ]
A322768	[ 66, 249, 1075, 5133, 26683, 149410, 894124, 5683643, 38186471, 270054693, 2003233849, 15539557832, 125727364954, 1058517565329, 9254401000167, 83864649249661, 786443164853871, 7620060523287298, 76182494678422160, 784894262599538400, 8323844770001318000, 90767456208155570000...	[ "nonn" ]
A160601	[ 1, 10, 119, 271, 8315, 70499, 174139, 8731657, 376455481, 13762207, 23585826391, 61123934273, 5568591324683, 11428044042013, 192745690532125, 25291642192372510, 4316709625044329, 28425936917236036000 ]	[ "nonn", "frac" ]
A127135	[ 1, 1, 6, 71, 1336, 35233, 1205605, 50905881, 2561801682, 149816972193, 9988787022964, 748036456826960, 62173668375158500, 5679720951862607000, 565666934647950200000, 6.100059205051216e+22 ]	[ "nonn" ]
A042200	[ 25, 1251, 62575, 3130001, 156562625, 7831261251, 391719625175, 19593812520001, 980082345625225, 49023711093781250, 2452165637034688000, 122657305562828180000, 6.135317443778443e+21, 3.06888529494485e+23 ]	[ "nonn", "cofr", "frac", "easy" ]
A322417	[ 5, 13, 26, 55, 110, 223, 446, 895, 1790, 3583, 7166, 14335, 28670, 57343, 114686, 229375, 458750, 917503, 1835006, 3670015, 7340030, 14680063, 29360126, 58720255, 117440510, 234881023, 469762046, 939524095, 1879048190, 3758096383, 7516192766 ]	[ "nonn", "easy" ]
A089184	[ 1, 22, 111, 4444, 33333, 333333, 3333333, 13333133, 133331133, 3323333233, 31133331133, 333343333433, 3333333333333, 33333333333333, 333333333333333, 3313333333313333, 31133333333113332, 333323333333323300 ]	[ "nonn", "uned", "base" ]
A374528	[ 1, 6, 7, 10, 11, 12, 19, 21, 24, 26, 27 ]	[ "nonn", "hard", "more" ]
A342274	[ 4, 8, 14, 18, 18, 26, 42, 42, 26, 26, 46, 66, 70, 74, 98, 90, 42, 26, 46, 66, 74, 90, 138, 170, 134, 90, 114, 174, 194, 194, 226, 190, 74, 26, 46, 66, 74, 90, 138, 170, 138, 106, 146, 226, 274, 290, 346, 378, 262, 122,...	[ "nonn" ]
A116805	[ 1, 2, 6, 21, 74, 256, 876, 2987, 10182, 34726, 118492, 404441, 1380670, 4713644, 16093028, 54944551, 187591798, 640477650, 2186726460, 7465949877, 25490345790, 87029482456, 297137237124, 1014489982275, 3463685453334 ]	[ "nonn", "easy" ]
A306731	[ 1, 1, 2, 2, 4, 6, 10, 14, 24, 37, 56, 90, 135, 204, 316, 474, 704, 1068, 1579, 2332, 3445, 5054, 7376, 10750, 15587, 22497, 32437, 46544, 66520, 94908, 134912, 191185, 270301, 380924, 535469, 750898, 1050268, 1465284, 2039741, 2832694, ...	[ "nonn" ]
A005959	[ 1, 1, 4, 6, 18, 42, 118, 314, 895, 2521, 7307, 21238, 62566, 185310, 553288, 1660490, 5011299, 15190665, 46244031, 141296042, 433204573, 1332261200, 4108833222, 12704949506, 39379343929, 122327632914, 380778749899, 1187544117426 ]	[ "nonn" ]
A066637	[ 0, 1, 1, 3, 1, 3, 1, 6, 3, 3, 1, 8, 1, 3, 3, 12, 1, 8, 1, 8, 3, 3, 1, 17, 3, 3, 6, 8, 1, 10, 1, 20, 3, 3, 3, 22, 1, 3, 3, 17, 1, 10, 1, 8, 8, 3, 1, 34, 3, 8, 3, 8, 1, 17, 3, 17, 3, 3, 1, 27, 1, ...	[ "nonn" ]
A171602	[ 3, 5, 7, 13, 19, 23, 31, 37, 67, 83, 89, 109, 127, 131, 199, 211, 251, 271, 307, 331, 379, 383, 389, 443, 449, 467, 487, 499, 509, 563, 661, 683, 719, 769, 797, 877, 929, 937, 971, 997, 1009, 1123, 1163, 1201, 1223, 1231, 12...	[ "nonn" ]
A261145	[ 2, 4, 7, 11, 25, 38, 47, 94, 95, 155, 275, 277, 292, 299, 395, 409, 614, 1409, 1963, 3422, 5243, 5884, 5971, 8527, 10882, 13223, 16406, 20851, 28886 ]	[ "nonn", "more" ]
A037788	[ 3, 20, 120, 721, 4329, 25976, 155856, 935137, 5610825, 33664952, 201989712, 1211938273, 7271629641, 43629777848, 261778667088, 1570672002529, 9424032015177, 56544192091064, 339265152546384, 2035590915278305 ]	[ "nonn", "base", "easy" ]
A318681	[ 1, 2, 9, 12, 25, 18, 49, 40, 243, 50, 121, 108, 169, 98, 225, 560, 289, 486, 361, 300, 441, 242, 529, 360, 1875, 338, 3645, 588, 841, 450, 961, 2016, 1089, 578, 1225, 2916, 1369, 722, 1521, 1000, 1681, 882, 1849, 1452, 6075, 1...	[ "nonn", "mult" ]
A016014	[ 1, 1, 1, 2, 1, 1, 2, 1, 1, 2, 1, 3, 2, 1, 1, 3, 3, 1, 5, 1, 1, 2, 1, 2, 2, 1, 2, 2, 1, 1, 5, 3, 1, 2, 1, 1, 2, 3, 1, 3, 1, 4, 2, 1, 2, 3, 3, 1, 2, 1, 1, 3, 1, 1, 3, 1, 2, 2, 6, 2, 3, 3, 1, 2...	[ "nonn" ]
A309701	[ 2, 3, 11, 29, 59, 97, 151, 193, 211, 223, 239, 281, 307, 311, 331, 337, 479, 541, 593, 613, 631, 641, 659, 877, 881, 907, 911, 997, 1409, 1861, 1907, 2267, 2281, 2287, 2309, 2311, 2503, 2579, 2609, 2617, 2657, 2671, 2677, 3671, ...	[ "nonn" ]
A341424	[ 6, 51, 177, 547, 1348, 2958, 5574, 10084, 16974, 27450, 41970, 62671, 90216, 128082, 175867, 238018, 316373, 414998, 534094, 682144, 859705, 1075165, 1326551, 1627896, 1976582, 2390057, 2862607, 3411273, 4039483, 4760419, 5571729, 6500650, 7541560, 8...	[ "nonn" ]
A035400	[ 1, 1, 2, 1, 2, 1, 4, 1, 1, 5, 1, 1, 3, 6, 1, 1, 2, 1, 10, 1, 1, 2, 1, 3, 14, 1, 1, 2, 1, 2, 1, 5, 17, 1, 1, 2, 1, 2, 1, 5, 1, 8, 20, 1, 1, 2, 1, 2, 1, 4, 1, 1, 6, 3, 33, 1, 1, 2, 1, 2, 1, 4, 1...	[ "nonn" ]
A151615	[ 2, 22, 360, 7880, 216240, 7124880, 273463680 ]	[ "nonn" ]
A042760	[ 30, 151, 332, 2807, 14367, 17174, 203281, 830298, 3524473, 7879244, 11403717, 19282961, 570609586, 589892547, 1160502133, 2910896813, 12804089385, 54127254353, 608203887268, 662331141621, 3919859595373 ]	[ "nonn", "cofr", "frac", "easy" ]
A088514	[ 3, 7, 5, 11, 7, 13, 16, 9, 32, 17, 40, 11, 19, 55, 40, 24, 13, 23, 65, 69, 25, 56, 15, 75, 32, 104, 56, 29, 17, 87, 85, 31, 119, 72, 93, 64, 144, 95, 40, 35, 133, 21, 136, 105, 37, 105, 111, 88, 23, 185, 152, 176, ...	[ "nonn" ]
A369809	[ 1, 0, 0, 0, 0, 0, 1, 7, 28, 84, 210, 462, 925, 1730, 3108, 5565, 10388, 20944, 45697, 104673, 242481, 553455, 1229305, 2650221, 5565127, 11465758, 23397041, 47757235, 98317135, 205108561, 433747259, 926655972, 1989584722, 4271185538, 9133958765, ...	[ "nonn", "easy" ]
A388285	[ 3, 5, 5, 6, 14, 9, 9, 21, 44, 13, 12, 41, 57, 90, 21, 8, 31, 219, 135, 230, 25, 18, 57, 93, 629, 261, 324, 33, 17, 51, 277, 161, 2529, 411, 560, 37, 15, 122, 111, 933, 345, 4211, 609, 702, 45, 18, 101, 1094, 213, 2857,...	[ "sign", "tabl" ]
A245561	[ 0, 1, 11, 76, 451, 2501, 13376, 70001, 361251, 1846876, 9381251, 47437501, 239109376, 1202500001, 6037656251, 30279296876, 151725781251, 759820312501, 3803412109376, 19032656250001, 95219707031251, 476302685546876, 2382252050781251, 11913932617187500 ]	[ "nonn" ]
A375440	[ 1, 1, 5, 65, 1593, 61953, 3476813, 265517441, 26492540401, 3349218907137, 523572565927509, 99215376614955460, 22415450137196940000, 5.953820173628518e+21, 1.837040977427663e+24, 6.51657636773935e+26, 2.6337551232657892e+29, 1.2031985000302055e+32 ]	[ "nonn" ]
A094778	[ 0, 5, 4, 2, 5, 2, 2, 2, 2, 2, 2, 2, 5, 2, 2, 2, 4, 4, 15, 5, 2, 4, 4, 2, 5, 2, 4, 4, 2, 5, 2, 2, 2, 2, 7, 2, 4, 5, 10, 2, 7, 2, 4, 7, 8, 2, 2, 5, 5, 8, 5, 13, 8, 2, 7, 8, 13, 10, 4, 2, 4, 2, 4...	[ "easy", "nonn" ]
A271253	[ 4, 7, 9, 16, 3, 28, 5, 31, 8, 64, -32, 76, 8, 84, -16, 84, -64, 160, -36, 204, -192, 204, -7, 239, -300, 268, 40, 276, -296, 240, -24, 384, -428, 272, 92, 548, -672, 428, 80, 460, -588, 348, -32, 812, -748, 432, 144, 544, ...	[ "sign", "easy" ]
A092251	[ 3, 29, 569, 7949, 104759, 1299917, 15486257, 179424797, 2038074947, 22801763729, 252097801757, 2760727302647, 29996224276019, 323780508946379, 3475385758524917, 37124508045066650, 394906913903736500, 4185296581467696600, 44211790234832170000, 465675465116607050000 ]	[ "nonn" ]
A173489	[ 1, 2, 4, 10, 32, 133, 706, 4542, 33770, 284519, 2694100, 28292286, 324935676, 4052477864, 54679031852, 793359552994, 12294933375782, 202713354823112, 3547535843321377, 65667058958304600, 1280634899889214000 ]	[ "easy", "nonn" ]
A248056	[ 6, 10, 18, 24, 30, 34, 40, 46, 54, 58, 66, 72, 78, 86, 90, 96, 102, 106, 114, 120, 126, 130, 136, 142, 150, 154, 160, 166, 170, 178, 184, 190, 198, 202, 210, 216, 222, 226, 232, 238, 246, 250, 258, 264, 270, 278, 282, 288,...	[ "nonn", "easy" ]
A004519	[ 0, 2, 4, 6, 8, 1, 3, 5, 7, 18, 20, 22, 24, 26, 19, 21, 23, 25, 36, 38, 40, 42, 44, 37, 39, 41, 43, 54, 56, 58, 60, 62, 55, 57, 59, 61, 72, 74, 76, 78, 80, 73, 75, 77, 79, 9, 11, 13, 15, 17, 10, 12, 14, 16, 27...	[ "nonn", "base" ]
A107682	[ 0, 1, 1, 2, 1, 1, 1, 3, 1, 1, 1, 1, 4, 1, 1, 1, 1, 1, 5, 1, 1, 1, 1, 1, 1, 6, 1, 1, 1, 1, 1, 1, 1, 7, 1, 1, 1, 1, 1, 1, 1, 1, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 9, 9, 2, 2, 2, 3, 3, 2, 2, 2, 2, 4...	[ "base", "easy", "fini", "nonn" ]
A031740	[ 962, 3846, 8652, 15380, 24030, 34602, 47096, 61512, 77850, 96110, 116292, 138396, 162422, 188370, 216240, 246032, 277746, 311382, 346940, 384420, 423822, 465146, 508392, 553560, 600650, 649662, 700596, 753452, 808230, 864930, 923552, 984096 ]	[ "nonn" ]
A171500	[ 1, 10, 1000, 7776, 27100, 73440, 95120, 500499, 505791, 540539, 598697, 665335, 697598, 732347, 7607610, 37944478, 46945205, 54995500, 55216205, 56607166, 58106906, 63136413, 66595563, 68167738, 68807564, 69188525, 70667477, 72197730, 73197730, 74145807 ]	[ "base", "nonn" ]

A250828

[ 9025, 411451, 16545428, 516786049, 14616585449, 366421422539, 8570987173563, 187132331843709, 3894306129454857, 77565963024384340, 1493626801625467600, 27916333204907848000, 509240501844949300000, 9.094396598776359e+21 ]

[ "nonn" ]

A157812

[ 1, 9, 20, 351, 380, 3249, 6860, 229167, 118460, 971919, 1981100, 32152941, 32499740, 262096389, 527337740, 33900692319, 8503972220, 68206642659, 136664636780, 2189507427531, 2192051783900, 17555075136729, 35121618358220, 1123425366518277, 562385127902780 ]

[ "sign", "frac" ]

A003154

[ 1, 13, 37, 73, 121, 181, 253, 337, 433, 541, 661, 793, 937, 1093, 1261, 1441, 1633, 1837, 2053, 2281, 2521, 2773, 3037, 3313, 3601, 3901, 4213, 4537, 4873, 5221, 5581, 5953, 6337, 6733, 7141, 7561, 7993, 8437, 8893, 9361, 9841, 10333,...

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

A362507

[ 1546, 2066, 2234, 2554, 3334, 3566, 3814, 4586, 4894, 4946, 5422, 5594, 6098, 6602, 6694, 6746, 7286, 7346, 7706, 7846, 7886, 8042, 8114, 8438, 8986, 9094, 9806, 10154, 10294, 10786, 10834, 10886, 11038, 11138, 11246, 11846, 12094, 13406, 1...

[ "nonn" ]

A205277

[ 256, 2504, 2504, 23244, 87912, 23244, 177050, 2940732, 2940732, 177050, 1284356, 77255835, 390106512, 77255835, 1284356, 8458978, 1905682493, 39435964246, 39435964246, 1905682493, 8458978, 53679123, 40440032498, 3697283479275 ]

[ "nonn", "tabl" ]

A183055

[ 1, 1, 2, 3, 5, 7, 11, 22, 77, 101 ]

[ "nonn", "base", "hard", "more" ]

A187412

[ 2, 4, 6, 8, 10, 12, 15, 16, 19, 20, 23, 25, 27, 29, 31, 33, 36, 38, 39, 41, 44, 46, 48, 50, 52, 54, 57, 59, 61, 62, 65, 67, 69, 71, 73, 75, 77, 80, 82, 84, 86, 88, 90, 92, 94, 96, 98, 101, 103, 105, 107, 109, 111...

[ "nonn" ]

A272773

[ 1, 8, 56, 360, 2240, 13696, 82808, 496656, 2961136, 17573608, 103911424, 612577272, 3602222736, 21137815952, 123811421128, 724064474968, 4228582808424 ]

[ "nonn", "walk", "more" ]

A130566

[ 1, 48, 186, 460, 915, 1596, 2548, 3816, 5445, 7480, 9966, 12948, 16471, 20580, 25320, 30736, 36873, 43776, 51490, 60060, 69531, 79948, 91356, 103800, 117325, 131976, 147798, 164836, 183135, 202740, 223696, 246048, 269841, 295120, 321930, 350316, ...

[ "nonn", "easy" ]

A054422

[ 1, 1, 0, 3, 10, 54, 222, 1107, 5346, 27399, 142770, 764967, 4170672, 23140813, 130189302, 741650172, 4270501218, 24825326196, 145534796520, 859627488963, 5112003992610, 30586307195304, 184023393204654, 1112800162657899 ]

[ "nonn", "easy" ]

A126642

[ 5, 25, 125, 601, 2765, 12265, 52925, 223801, 932525, 3844105, 15722525, 63936601, 258902285, 1045109545, 4209004925, 16921851001, 67945160045, 272554432585, 1092540156125, 4377129999001, 17529432313805, 70180474597225, 280910151192125 ]

[ "nonn", "base", "easy" ]

A111500

[ 1, 10, 31, 72, 137, 234, 367, 544, 769, 1050, 1391, 1800, 2281, 2842, 3487, 4224, 5057, 5994, 7039, 8200, 9481, 10890, 12431, 14112, 15937, 17914, 20047, 22344, 24809, 27450, 30271, 33280, 36481, 39882, 43487, 47304, 51337, 55594, 60079, ...

[ "nonn", "easy" ]

A166944

[ 2, 4, 5, 6, 9, 12, 13, 14, 21, 22, 23, 24, 25, 26, 39, 40, 45, 54, 55, 60, 61, 62, 63, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 129, 130, 135, 138, 139, 140, 147, 148, 1...

[ "nonn" ]

A284674

[ 0, 1, 1, 1, 1, 0, 1, 1, 1, 0, 1, 1, 1, 0, 1, 1, 1, 1, 0, 1, 1, 1, 0, 1, 1, 1, 0, 1, 1, 1, 1, 0, 1, 1, 1, 0, 1, 1, 1, 0, 1, 1, 1, 1, 0, 1, 1, 1, 0, 1, 1, 1, 0, 1, 1, 1, 0, 1, 1, 1, 1, 0, 1, 1...

[ "nonn", "easy" ]

A354292

[ 5, 13, 31, 37, 61, 79, 97, 103 ]

[ "nonn", "more" ]

A330464

[ 1, 1, 3, 9, 32, 111, 463, 1942 ]

[ "nonn", "more" ]

A180301

[ 1, 2, 200, 201, 202, 2000, 2001, 2002, 2200, 2201, 2202, 2000000000000, 2000000000001, 2000000000002, 2000000000200, 2000000000201, 2000000000202, 2000000002000, 2000000002001, 2000000002002, 2000000002200, 2000000002201, 2000000002202 ]

[ "easy", "fini", "nonn", "word" ]

A079817

[ 1, 9, 54, 261, 919, 1246, 378, 12 ]

[ "nonn", "fini", "full" ]

A243754

[ 1, 0, 0, 1, 1, 9, 1, 127, 323, 1515, 4191, 10455, 20705, 93802, 113634, 3219205, 10626023, 45980364, 139604903, 555857157, 1334821448, 7577098816, 20676558270, 61994003643, 193904367362, 800928670232, 2374027931492, 12506574770693, 29311991924792 ]

[ "nonn" ]

A014444

[ 1, -1, 0, 1, -1, 1, 0, -1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, -1, 0, 1, -1, 1, 0, -1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, -1, 0, 1, ...

[ "sign" ]

A066114

[ 1, 2, 7, 30, 156, 960, 6840, 55440, 504000, 5080320, 56246400, 678585600, 8861529600, 124540416000, 1874333260800, 30076510464000, 512608352256000, 9247873130496000, 176065276907520000, 3527707911856128000, 74203511249387520000 ]

[ "nonn", "easy" ]

A328937

[ 4, 11, 25, 59, 127, 252, 471, 928, 1734, 3462, 6615, 12725, 24396, 46877, 89854, 173331, 334737, 647265, 1253176 ]

[ "nonn", "more" ]

A091747

[ 1, 42, 14, 1, 5544, 3192, 588, 42, 1, 1507968, 1165248, 321552, 41496, 2688, 84, 1, 696681216, 655966080, 232606080, 41497344, 4143552, 240240, 7980, 140, 1, 489070213632, 533531142144, 226306918656, 50249808000, 6575950080 ]

[ "nonn", "easy", "tabf" ]

A282825

[ 1, 2, 4, 9, 18, 36, 75, 145, 300, 579, 1205, 2304, 4817, 9230, 19316, 36897, 77150, 147468, 309105, 590374, 1234264, 2359303, 4945691, 9446113, 19747934, 37749644, 79130993, 151137326, 315966404, 603995529, 1266096182, 2418198336, 5055461945, 9663926...

[ "nonn", "easy" ]

A114721

[ 48, 5760, 80640, 430080, 1216512, 1476034560, 2555904, 8021606400, 64012419072, 131491430400, 3472883712, 25282593423360, 20132659200, 25222195445760, 2675794690179072, 2172909854392320, 6803228196864 ]

[ "nonn", "frac" ]

A228896

[ 2, 3, 5, 7, 9, 12, 16, 17, 19, 23, 25, 26, 29, 31, 34, 39, 41, 43, 45, 46, 50, 55, 57, 59, 62, 63, 64, 66, 69, 70, 71, 74, 75, 81, 84, 85, 91, 93, 94, 97, 98, 99, 101, 104, 105, 107, 109, 111, 112, 116, 117, 119, ...

[ "nonn", "easy" ]

A096481

[ 2, 19, 11, 79, 53, 47, 137, 331, 293, 971, 457, 263, 367, 1231, 757, 3607, 1229, 1663, 6131, 12227, 1879, 1831, 10733, 8423, 9221, 7393, 3793, 32941, 19213, 45863, 21961, 51871, 25763, 37591, 16879, 89017, 98867, 138241, 63611, 44773, 7...

[ "nonn" ]

A333386

[ 1, 2, 3, 7, 5, 6, 7, 27, 25, 10, 11, 23, 13, 14, 15, 113, 17, 52, 19, 39, 21, 22, 23, 91, 121, 26, 229, 55, 29, 30, 31, 469, 33, 34, 35, 211, 37, 38, 39, 155, 41, 42, 43, 87, 133, 46, 47, 369, 337, 246, 51, 103, ...

[ "nonn" ]

A290290

[ 3432, 5980, 12870, 12880, 13090, 14280, 14586, 20475, 28272, 28275, 31416, 31450, 34580, 35650, 39270, 45045, 45220, 72072, 76076, 96135, 97812, 106080, 106590, 120120, 121992, 125580, 132804, 139230, 173420, 181350, 185640, 191400, 195624, 202275, ...

[ "nonn" ]

A385643

[ 1, 5, 14, 16, 41, 43, 47, 49, 122, 124, 128, 130, 140, 142, 146, 148, 365, 367, 371, 373, 383, 385, 389, 391, 419, 421, 425, 427, 437, 439, 443, 445, 1094, 1096, 1100, 1102, 1112, 1114, 1118, 1120, 1148, 1150, 1154, 1156, 1166, ...

[ "nonn", "easy", "look" ]

A220067

[ 7, 65, 878, 10179, 122999, 1493178, 18090893, 219096964, 2653795961, 32143795941, 389333836784, 4715703725034, 57117731681641 ]

[ "nonn" ]

A317768

[ 3, 4, 5, 11, 16, 28, 44, 74, 122, 209, 344, 584, 981, 1670, 2806, 4758, 8047, 13665, 23111, 39195, 66419, 112700, 190989, 323943, 549302, 931821, 1580102, 2680148, 4545629, 7710521, 13077362, 22181756, 37623572, 63817667, 108244170, 183603356 ]

[ "nonn" ]

A055288

[ 1, -1, 1, 1, -2, 1, 0, 2, -3, 1, -3, 2, 4, -4, 1, 5, -11, 4, 6, -5, 1, 9, 4, -26, 9, 9, -6, 1, -44, 72, 3, -52, 15, 12, -7, 1, -50, -82, 213, -20, -94, 24, 16, -8, 1, 545, -857, -53, 546, -82, -146, 35, 20, -9,...

[ "sign", "tabl" ]

A380248

[ 3, 8, 7, 1, 12, 6, 4, 2, 11, 13, 10, 9, 5 ]

[ "nonn", "fini", "full", "word" ]

A050400

[ 5, 1, 17, 43, 181, 621, 2309, 8303, 30277, 109753, 398857, 1447931, 5258725, 19095285, 69344061, 251811903, 914429445, 3320635025, 12058502657, 43789003563, 159014593621, 577442573597, 2096914206261, 7614694850543, 27651860345029, 100414447219721, 364643142303353 ...

[ "easy", "nonn" ]

A020595

[ 1, 25, 421, 5965, 76741, 929005, 10791061, 121699645, 1342777381, 14569879885, 156038219701, 1653799781725, 17380932862021, 181408804717165, 1882561696208341, 19442349988398204, 199976918230722660, 2049766874087337000, 20947749526851027000, 213528831702049260000 ]

[ "nonn", "easy" ]

A187573

[ 5, 9, 13, 17, 24, 28, 32, 39, 43, 47, 54, 58, 62, 69, 73, 77, 81, 85, 89, 96, 100, 104, 111, 115, 119, 126, 130, 134, 138, 142, 146, 153, 157, 161, 168, 172, 176, 183, 187, 191, 195, 199, 203, 210, 214, 218, 225, 229, 23...

[ "nonn" ]

A005523

[ 5, 7, 9, 10, 13, 14, 16, 18, 21, 25, 26, 28, 33, 36, 38, 40, 43, 44, 50, 54, 57, 61, 64, 68, 75, 77, 81, 84, 88, 91, 97, 100, 102, 108, 117, 122, 124, 128, 130, 135, 144, 148, 150, 150, 154, 161, 163, 174, 176, 183, ...

[ "nonn", "easy" ]

A149066

[ 1, 1, 3, 11, 41, 165, 693, 2975, 13102, 58543, 265533, 1216437, 5625630, 26208715, 122883878, 579308565, 2743787003, 13048731447, 62277382336, 298169598323, 1431550417591, 6890222494696, 33237555228170, 160656725334807, 777962747662943, 3773430268357265, 183302246...

[ "nonn", "walk" ]

A275666

[ 2, 3, 6, 2, 5, 5, 10, 3, 5, 5, 6, 10, 2, 4, 6, 12, 3, 3, 4, 12, 4, 5, 5, 6, 10, 12, 2, 7, 7, 7, 14, 3, 6, 7, 7, 7, 14, 4, 6, 7, 7, 7, 12, 14, 5, 5, 7, 7, 7, 10, 14, 2, 3, 10, 15, 2, 4, 10, 12, 15, ...

[ "nonn", "base", "tabf" ]

A213007

[ 8, 7, 0, 5, 8, 8, 3, 8 ]

[ "nonn", "cons", "hard", "more" ]

A195666

[ 17, 52, 88, 99, 147, 175, 210, 224, 250, 252, 300, 320, 360, 384, 405, 432, 486 ]

[ "nonn", "full", "fini" ]

A373120

[ 1, 1, 1, 2, 3, 4, 6, 8, 11, 15, 20, 26, 33, 43, 55, 70, 89, 109, 136, 167, 206, 251, 306, 371, 445, 535, 639, 759, 904, 1069, 1262, 1489, 1747, 2047, 2390, 2784, 3237, 3754, 4350, 5027, 5798, 6680, 7671, 8808, 10091, 11543, ...

[ "nonn" ]

A165282

[ 1, 15, 210, 2940, 41160, 576240, 8067360, 112943040, 1581202560, 22136835735, 309915698820, 4338819763005, 60743476395420, 850408665522780, 11905721261135520, 166680096869329660, 2333521345158669300 ]

[ "nonn" ]

A097939

[ 1, 3, 6, 12, 22, 42, 79, 151, 291, 566, 1106, 2175, 4293, 8499, 16864, 33523, 66727, 132958, 265137, 529050, 1056169, 2109282, 4213710, 8419697, 16827079, 33634489, 67237513, 134424624, 268768414, 537407062, 1074605619, 2148875961, 4297212424, 859355...

[ "easy", "nonn" ]

A349628

[ 1, 1, 4, 7, 6, 1, 8, 35, 52, 1, 12, 14, 14, 1, 24, 155, 18, 1, 20, 21, 32, 1, 24, 70, 186, 1, 104, 28, 30, 1, 32, 217, 48, 1, 16, 26, 38, 1, 56, 35, 42, 1, 44, 42, 312, 1, 48, 310, 456, 1, 72, 49, 54, 1, 72, ...

[ "nonn", "frac" ]

A245124

[ 1, 4, 11, 28, 70, 160, 366, 804, 1748, 3734, 7918, 16597, 34601, 71628, 147631, 302857, 619231, 1261849, 2564795, 5200248, 10522565, 21252174, 42854194, 86286963, 173517189, 348523105, 699311092, 1401837776, 2807733181, 5619221464, 11238041122, 224607774...

[ "nonn" ]

A346792

[ 1, -1, -1, 0, 0, 1, 0, 3, 1, -1, -4, -10, 3, 0, 9, 19, 9, 2, -44, -27, -40, -3, 95, 75, 156, -36, -181, -274, -349, 81, 205, 982, 832, 35, -596, -2587, -1803, -1259, 2118, 5876, 5365, 4922, -6811, -12175, -17181, -12932, 141...

[ "sign" ]

A179417

[ 1, 5, 24, 104, 279, 2001, 4131, 17453, 88826, 362532, 1655660, 6120642, 25376649, 128526482, 301370205, 1756488602, 8046359747, 30854867177, 73845140753, 488906501177, 2106640948770, 6573967883049, 29711211505300 ]

[ "nonn", "base" ]

A341564

[ 1, -27, -378, -832, 729, -2484, 14870, 10206, -22302, -16300, 22464, -115128, 64759, -19683, 157086, -16456, 67068, 314496, -149266, -401490, -241110, -443188, -275562, 922752, -131319, 602154, -697626, 938952, 440100, 870156, 2067062, -606528, -562086...

[ "sign" ]

A054888

[ 1, 5, 15, 40, 105, 275, 720, 1885, 4935, 12920, 33825, 88555, 231840, 606965, 1589055, 4160200, 10891545, 28514435, 74651760, 195440845, 511670775, 1339571480, 3507043665, 9181559515, 24037634880, 62931345125 ]

[ "nonn", "easy" ]

A011684

[ 0, 0, 0, 0, 0, 0, 1, 0, 1, 1, 0, 0, 0, 0, 0, 1, 1, 1, 0, 1, 0, 0, 0, 0, 1, 0, 0, 1, 1, 1, 0, 0, 0, 1, 1, 0, 1, 0, 0, 1, 0, 0, 1, 0, 1, 1, 1, 0, 1, 1, 0, 1, 1, 1, 0, 0, 1, 1, 0, 1, 1, 0, 0, 1...

[ "nonn" ]

A124157

[ 0, 1, 3, 6, 10, 15, 21, 28, 35 ]

[ "nonn", "more" ]

A169258

[ 1, 5, 20, 80, 320, 1280, 5120, 20480, 81920, 327680, 1310720, 5242880, 20971520, 83886080, 335544320, 1342177280, 5368709120, 21474836480, 85899345920, 343597383680, 1374389534720, 5497558138880, 21990232555520, 87960930222080 ]

[ "nonn" ]

A042025

[ 1, 6, 7, 13, 33, 178, 389, 567, 956, 6303, 290894, 1751667, 2042561, 3794228, 9631017, 51949313, 113529643, 165478956, 279008599, 1839530550, 84897413899, 511224013944, 596121427843, 1107345441787, 2810812311417, 15161406998872, 33133626309161 ]

[ "nonn", "frac", "easy" ]

A185431

[ 4370405405266, 1297535366114472, 209290512833668800, 22687513754718780000, 1.8128177999652287e+21, 1.1284936335515044e+23, 5.68628399845316e+24, 2.3861876339647673e+26 ]

[ "nonn" ]

A345992

[ 1, 1, 1, 1, 1, 2, 1, 1, 1, 2, 1, 3, 1, 2, 5, 1, 1, 2, 1, 4, 3, 2, 1, 8, 1, 2, 1, 7, 1, 5, 1, 1, 11, 2, 7, 4, 1, 2, 3, 5, 1, 6, 1, 11, 9, 2, 1, 3, 1, 2, 17, 4, 1, 2, 5, 7, 3, 2, 1, 15, 1, 2, 9,...

[ "nonn" ]

A092427

[ 2, 6, 12, 12, 12, 24, 24, 36, 40, 45, 48, 60, 60, 60, 72, 72, 72, 80, 80, 90, 90, 120, 120, 120, 120, 120, 120, 120, 144, 144, 144, 144, 144, 144, 144, 180, 180, 180, 180, 180, 180, 180, 180, 180, 240, 240, 240, 240, 240...

[ "nonn" ]

A134339

[ 2, 2, 6, 2, 2, 24, 2, 2, 6, 40, 2, 24, 2, 2, 180, 2, 2, 24, 2, 40, 252, 2, 2, 24, 2, 2, 6, 112, 2, 720, 2, 2, 6, 2, 2, 1728, 2, 2, 6, 40, 2, 1008, 2, 2, 16200, 2, 2, 24, 2, 40, 6, 2, 2, 24, 220, 112, 6, ...

[ "nonn" ]

A380950

[ 1, 1, 2, 3, 16, 45, 128, 175, 2048, 11025, 32768, 43659, 262144, 693693, 2097152, 2760615, 67108864, 703956825, 2147483648, 2807136475, 17179869184, 44801898141, 137438953472, 178837328943, 2199023255552, 11425718238025, 35184372088832, 45635265151875, 2814749...

[ "nonn", "frac" ]

A374023

[ 3195380868, 5208143601, 5208143602, 5327400945, 5604994082, 5604994083, 6940533603, 6940533604, 7109053186, 7112231268, 19355940562, 22180594465, 24073076004, 24155988484, 29495293764, 30997967601, 41999754228, 42322452483, 42322452484, 45479198003, 46553917683 ]

[ "nonn" ]

A362912

[ 1, 1, 5, 34, 303, 3371, 45016, 701401, 12490057, 250215916, 5569582777, 136371309999, 3642603629462, 105405416033607, 3284722016179597, 109672448519030700, 3905936524326557700, 147802493781420540000, 5.921911678533323e+21 ]

[ "nonn" ]

A330702

[ 70, 308, 572, 2132, 4292, 6764, 12212, 32804, 72836, 79292, 169724, 198596, 207692, 289052, 362972, 392426, 545876, 547724, 611612, 651932, 678812, 687812, 809252, 842012, 868436, 930932, 1030772, 1032956, 1122932, 1336052, 1627772, 1705892, 1722932, ...

[ "nonn", "changed" ]

A059690

[ 1, 2, 2, 2, 3, 5, 7, 13, 20, 31, 52, 83, 142, 242, 412, 742, 1308, 2294, 4040, 7327, 13253, 24255, 44306, 81700, 150401, 277335, 513705, 954847, 1780466, 3325109, 6224282, 11676337, 21947583, 41327438 ]

[ "nonn", "more" ]

A322768

[ 66, 249, 1075, 5133, 26683, 149410, 894124, 5683643, 38186471, 270054693, 2003233849, 15539557832, 125727364954, 1058517565329, 9254401000167, 83864649249661, 786443164853871, 7620060523287298, 76182494678422160, 784894262599538400, 8323844770001318000, 90767456208155570000...

[ "nonn" ]

A160601

[ 1, 10, 119, 271, 8315, 70499, 174139, 8731657, 376455481, 13762207, 23585826391, 61123934273, 5568591324683, 11428044042013, 192745690532125, 25291642192372510, 4316709625044329, 28425936917236036000 ]

[ "nonn", "frac" ]

A127135

[ 1, 1, 6, 71, 1336, 35233, 1205605, 50905881, 2561801682, 149816972193, 9988787022964, 748036456826960, 62173668375158500, 5679720951862607000, 565666934647950200000, 6.100059205051216e+22 ]

[ "nonn" ]

A042200

[ 25, 1251, 62575, 3130001, 156562625, 7831261251, 391719625175, 19593812520001, 980082345625225, 49023711093781250, 2452165637034688000, 122657305562828180000, 6.135317443778443e+21, 3.06888529494485e+23 ]

[ "nonn", "cofr", "frac", "easy" ]

A322417

[ 5, 13, 26, 55, 110, 223, 446, 895, 1790, 3583, 7166, 14335, 28670, 57343, 114686, 229375, 458750, 917503, 1835006, 3670015, 7340030, 14680063, 29360126, 58720255, 117440510, 234881023, 469762046, 939524095, 1879048190, 3758096383, 7516192766 ]

[ "nonn", "easy" ]

A089184

[ 1, 22, 111, 4444, 33333, 333333, 3333333, 13333133, 133331133, 3323333233, 31133331133, 333343333433, 3333333333333, 33333333333333, 333333333333333, 3313333333313333, 31133333333113332, 333323333333323300 ]

[ "nonn", "uned", "base" ]

A374528

[ 1, 6, 7, 10, 11, 12, 19, 21, 24, 26, 27 ]

[ "nonn", "hard", "more" ]

A342274

[ 4, 8, 14, 18, 18, 26, 42, 42, 26, 26, 46, 66, 70, 74, 98, 90, 42, 26, 46, 66, 74, 90, 138, 170, 134, 90, 114, 174, 194, 194, 226, 190, 74, 26, 46, 66, 74, 90, 138, 170, 138, 106, 146, 226, 274, 290, 346, 378, 262, 122,...

[ "nonn" ]

A116805

[ 1, 2, 6, 21, 74, 256, 876, 2987, 10182, 34726, 118492, 404441, 1380670, 4713644, 16093028, 54944551, 187591798, 640477650, 2186726460, 7465949877, 25490345790, 87029482456, 297137237124, 1014489982275, 3463685453334 ]

[ "nonn", "easy" ]

A306731

[ 1, 1, 2, 2, 4, 6, 10, 14, 24, 37, 56, 90, 135, 204, 316, 474, 704, 1068, 1579, 2332, 3445, 5054, 7376, 10750, 15587, 22497, 32437, 46544, 66520, 94908, 134912, 191185, 270301, 380924, 535469, 750898, 1050268, 1465284, 2039741, 2832694, ...

[ "nonn" ]

A005959

[ 1, 1, 4, 6, 18, 42, 118, 314, 895, 2521, 7307, 21238, 62566, 185310, 553288, 1660490, 5011299, 15190665, 46244031, 141296042, 433204573, 1332261200, 4108833222, 12704949506, 39379343929, 122327632914, 380778749899, 1187544117426 ]

[ "nonn" ]

A066637

[ 0, 1, 1, 3, 1, 3, 1, 6, 3, 3, 1, 8, 1, 3, 3, 12, 1, 8, 1, 8, 3, 3, 1, 17, 3, 3, 6, 8, 1, 10, 1, 20, 3, 3, 3, 22, 1, 3, 3, 17, 1, 10, 1, 8, 8, 3, 1, 34, 3, 8, 3, 8, 1, 17, 3, 17, 3, 3, 1, 27, 1, ...

[ "nonn" ]

A171602

[ 3, 5, 7, 13, 19, 23, 31, 37, 67, 83, 89, 109, 127, 131, 199, 211, 251, 271, 307, 331, 379, 383, 389, 443, 449, 467, 487, 499, 509, 563, 661, 683, 719, 769, 797, 877, 929, 937, 971, 997, 1009, 1123, 1163, 1201, 1223, 1231, 12...

[ "nonn" ]

A261145

[ 2, 4, 7, 11, 25, 38, 47, 94, 95, 155, 275, 277, 292, 299, 395, 409, 614, 1409, 1963, 3422, 5243, 5884, 5971, 8527, 10882, 13223, 16406, 20851, 28886 ]

[ "nonn", "more" ]

A037788

[ 3, 20, 120, 721, 4329, 25976, 155856, 935137, 5610825, 33664952, 201989712, 1211938273, 7271629641, 43629777848, 261778667088, 1570672002529, 9424032015177, 56544192091064, 339265152546384, 2035590915278305 ]

[ "nonn", "base", "easy" ]

A318681

[ 1, 2, 9, 12, 25, 18, 49, 40, 243, 50, 121, 108, 169, 98, 225, 560, 289, 486, 361, 300, 441, 242, 529, 360, 1875, 338, 3645, 588, 841, 450, 961, 2016, 1089, 578, 1225, 2916, 1369, 722, 1521, 1000, 1681, 882, 1849, 1452, 6075, 1...

[ "nonn", "mult" ]

A016014

[ 1, 1, 1, 2, 1, 1, 2, 1, 1, 2, 1, 3, 2, 1, 1, 3, 3, 1, 5, 1, 1, 2, 1, 2, 2, 1, 2, 2, 1, 1, 5, 3, 1, 2, 1, 1, 2, 3, 1, 3, 1, 4, 2, 1, 2, 3, 3, 1, 2, 1, 1, 3, 1, 1, 3, 1, 2, 2, 6, 2, 3, 3, 1, 2...

[ "nonn" ]

A309701

[ 2, 3, 11, 29, 59, 97, 151, 193, 211, 223, 239, 281, 307, 311, 331, 337, 479, 541, 593, 613, 631, 641, 659, 877, 881, 907, 911, 997, 1409, 1861, 1907, 2267, 2281, 2287, 2309, 2311, 2503, 2579, 2609, 2617, 2657, 2671, 2677, 3671, ...

[ "nonn" ]

A341424

[ 6, 51, 177, 547, 1348, 2958, 5574, 10084, 16974, 27450, 41970, 62671, 90216, 128082, 175867, 238018, 316373, 414998, 534094, 682144, 859705, 1075165, 1326551, 1627896, 1976582, 2390057, 2862607, 3411273, 4039483, 4760419, 5571729, 6500650, 7541560, 8...

[ "nonn" ]

A035400

[ 1, 1, 2, 1, 2, 1, 4, 1, 1, 5, 1, 1, 3, 6, 1, 1, 2, 1, 10, 1, 1, 2, 1, 3, 14, 1, 1, 2, 1, 2, 1, 5, 17, 1, 1, 2, 1, 2, 1, 5, 1, 8, 20, 1, 1, 2, 1, 2, 1, 4, 1, 1, 6, 3, 33, 1, 1, 2, 1, 2, 1, 4, 1...

[ "nonn" ]

A151615

[ 2, 22, 360, 7880, 216240, 7124880, 273463680 ]

[ "nonn" ]

A042760

[ 30, 151, 332, 2807, 14367, 17174, 203281, 830298, 3524473, 7879244, 11403717, 19282961, 570609586, 589892547, 1160502133, 2910896813, 12804089385, 54127254353, 608203887268, 662331141621, 3919859595373 ]

[ "nonn", "cofr", "frac", "easy" ]

A088514

[ 3, 7, 5, 11, 7, 13, 16, 9, 32, 17, 40, 11, 19, 55, 40, 24, 13, 23, 65, 69, 25, 56, 15, 75, 32, 104, 56, 29, 17, 87, 85, 31, 119, 72, 93, 64, 144, 95, 40, 35, 133, 21, 136, 105, 37, 105, 111, 88, 23, 185, 152, 176, ...

[ "nonn" ]

A369809

[ 1, 0, 0, 0, 0, 0, 1, 7, 28, 84, 210, 462, 925, 1730, 3108, 5565, 10388, 20944, 45697, 104673, 242481, 553455, 1229305, 2650221, 5565127, 11465758, 23397041, 47757235, 98317135, 205108561, 433747259, 926655972, 1989584722, 4271185538, 9133958765, ...

[ "nonn", "easy" ]

A388285

[ 3, 5, 5, 6, 14, 9, 9, 21, 44, 13, 12, 41, 57, 90, 21, 8, 31, 219, 135, 230, 25, 18, 57, 93, 629, 261, 324, 33, 17, 51, 277, 161, 2529, 411, 560, 37, 15, 122, 111, 933, 345, 4211, 609, 702, 45, 18, 101, 1094, 213, 2857,...

[ "sign", "tabl" ]

A245561

[ 0, 1, 11, 76, 451, 2501, 13376, 70001, 361251, 1846876, 9381251, 47437501, 239109376, 1202500001, 6037656251, 30279296876, 151725781251, 759820312501, 3803412109376, 19032656250001, 95219707031251, 476302685546876, 2382252050781251, 11913932617187500 ]

[ "nonn" ]

A375440

[ 1, 1, 5, 65, 1593, 61953, 3476813, 265517441, 26492540401, 3349218907137, 523572565927509, 99215376614955460, 22415450137196940000, 5.953820173628518e+21, 1.837040977427663e+24, 6.51657636773935e+26, 2.6337551232657892e+29, 1.2031985000302055e+32 ]

[ "nonn" ]

A094778

[ 0, 5, 4, 2, 5, 2, 2, 2, 2, 2, 2, 2, 5, 2, 2, 2, 4, 4, 15, 5, 2, 4, 4, 2, 5, 2, 4, 4, 2, 5, 2, 2, 2, 2, 7, 2, 4, 5, 10, 2, 7, 2, 4, 7, 8, 2, 2, 5, 5, 8, 5, 13, 8, 2, 7, 8, 13, 10, 4, 2, 4, 2, 4...

[ "easy", "nonn" ]

A271253

[ 4, 7, 9, 16, 3, 28, 5, 31, 8, 64, -32, 76, 8, 84, -16, 84, -64, 160, -36, 204, -192, 204, -7, 239, -300, 268, 40, 276, -296, 240, -24, 384, -428, 272, 92, 548, -672, 428, 80, 460, -588, 348, -32, 812, -748, 432, 144, 544, ...

[ "sign", "easy" ]

A092251

[ 3, 29, 569, 7949, 104759, 1299917, 15486257, 179424797, 2038074947, 22801763729, 252097801757, 2760727302647, 29996224276019, 323780508946379, 3475385758524917, 37124508045066650, 394906913903736500, 4185296581467696600, 44211790234832170000, 465675465116607050000 ]

[ "nonn" ]

A173489

[ 1, 2, 4, 10, 32, 133, 706, 4542, 33770, 284519, 2694100, 28292286, 324935676, 4052477864, 54679031852, 793359552994, 12294933375782, 202713354823112, 3547535843321377, 65667058958304600, 1280634899889214000 ]

[ "easy", "nonn" ]

A248056

[ 6, 10, 18, 24, 30, 34, 40, 46, 54, 58, 66, 72, 78, 86, 90, 96, 102, 106, 114, 120, 126, 130, 136, 142, 150, 154, 160, 166, 170, 178, 184, 190, 198, 202, 210, 216, 222, 226, 232, 238, 246, 250, 258, 264, 270, 278, 282, 288,...

[ "nonn", "easy" ]

A004519

[ 0, 2, 4, 6, 8, 1, 3, 5, 7, 18, 20, 22, 24, 26, 19, 21, 23, 25, 36, 38, 40, 42, 44, 37, 39, 41, 43, 54, 56, 58, 60, 62, 55, 57, 59, 61, 72, 74, 76, 78, 80, 73, 75, 77, 79, 9, 11, 13, 15, 17, 10, 12, 14, 16, 27...

[ "nonn", "base" ]

A107682

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

[ "base", "easy", "fini", "nonn" ]

A031740

[ 962, 3846, 8652, 15380, 24030, 34602, 47096, 61512, 77850, 96110, 116292, 138396, 162422, 188370, 216240, 246032, 277746, 311382, 346940, 384420, 423822, 465146, 508392, 553560, 600650, 649662, 700596, 753452, 808230, 864930, 923552, 984096 ]

[ "nonn" ]

A171500

[ 1, 10, 1000, 7776, 27100, 73440, 95120, 500499, 505791, 540539, 598697, 665335, 697598, 732347, 7607610, 37944478, 46945205, 54995500, 55216205, 56607166, 58106906, 63136413, 66595563, 68167738, 68807564, 69188525, 70667477, 72197730, 73197730, 74145807 ]

[ "base", "nonn" ]