id
stringlengths
7
11
seq
listlengths
1
347
keywords
listlengths
1
8
A045279
[ 24, 49, 99, 104, 109, 119, 120, 121, 123, 149, 174, 224, 229, 234, 244, 245, 246, 248, 399, 424, 474, 479, 484, 494, 495, 496, 498, 504, 509, 519, 520, 521, 523, 529, 534, 544, 545, 546, 548, 579, 584, 594, 595, 596, 598, 600 ]
[ "nonn", "base" ]
A115690
[ 1, 4, 9, 100, 121, 144, 169, 400, 441, 484, 576, 676, 900, 961, 1089, 9801, 10000, 10201, 10404, 10609, 12100, 12321, 12544, 12769, 14400, 14641, 14884, 16900, 25281, 27225, 40000, 40401, 40804, 44100, 44521, 44944, 48400, 48841, 57600 ]
[ "nonn", "base" ]
A222519
[ 4, 0, 0, 1111, 9596, 459702, 3661130, 396851809, 3695255764, 395638371502, 3770574602806, 408695270841202, 3918799489229740, 421645927975966850, 4081676093648359000, 435422926978751600000, 4.254252847183341e+21 ]
[ "nonn" ]
A001346
[ 23, 65, 261, 1370, 8742, 65304, 557400, 5343120, 56775600, 661933440, 8397406080, 115123680000, 1695705580800, 26701944192000, 447579574041600, 7955978033203200, 149473718634240000, 2959340324548608000, 61578385989120000000, 1.3434548912888464e+21 ]
[ "nonn" ]
A072484
[ 1, 2, 12, 3, 13, 23, 4, 14, 24, 34, 5, 15, 25, 35, 45, 6, 16, 26, 36, 46, 56, 7, 17, 27, 37, 47, 57, 67, 8, 18, 28, 38, 48, 58, 68, 78, 9, 19, 29, 39, 49, 59, 69, 79, 89, 10, 100, 101, 102, 103, 104, 105, 106, 107, 108, 11, 110, 111, 112, 113, 114, 115, 116, 117, 118 ]
[ "base", "nonn", "tabl" ]
A288511
[ 2, 4, 5, 7, 9, 12, 17, 23, 33, 48, 70, 103, 152, 228, 343, 515, 779, 1180, 1787, 2715, 4124, 6264, 9526, 14483, 22025, 33504, 50957, 77519, 117929, 179396, 272930, 415215, 631680, 961032, 1462067, 2224347, 3384083, 5148432, 7832727, 11916547, 18129540 ]
[ "nonn", "easy" ]
A210843
[ 1, 4, 13, 35, 86, 194, 415, 844, 1654, 3133, 5773, 10372, 18240, 31449, 53292, 88873, 146095, 236977, 379746, 601656, 943305, 1464501, 2252961, 3436182, 5198644, 7805248, 11634685, 17224795, 25336141, 37038139, 53828275, 77792869 ]
[ "nonn" ]
A058303
[ 1, 4, 1, 3, 4, 7, 2, 5, 1, 4, 1, 7, 3, 4, 6, 9, 3, 7, 9, 0, 4, 5, 7, 2, 5, 1, 9, 8, 3, 5, 6, 2, 4, 7, 0, 2, 7, 0, 7, 8, 4, 2, 5, 7, 1, 1, 5, 6, 9, 9, 2, 4, 3, 1, 7, 5, 6, 8, 5, 5, 6, 7, 4, 6, 0, 1, 4, 9, 9, 6, 3, 4, 2, 9, 8, 0, 9, 2, 5, 6, 7, 6, 4, 9, 4, 9, 0, 1, 0, 3, 9, 3, 1, 7, 1, 5, 6, 1, 0, 1, 2, 7, 7, 9, 2 ]
[ "nonn", "cons", "easy" ]
A127536
[ 0, 1, 10, 77, 546, 3740, 25194, 168245, 1118260, 7413705, 49085400, 324794316, 2148789800, 14217578856, 94096891658, 622997471685, 4126520887720, 27345271410275, 181295437422330, 1202538435463365, 7980245606038650 ]
[ "nonn" ]
A082636
[ 2, 36, 240, 10320, 227304, 287787528 ]
[ "more", "nonn" ]
A250843
[ 7, 37, 1297, 15661, 16921, 304606801, 594823357, 1838266921, 1898731801, 4751783857, 13841287237, 13841567137, 13901753377, 26901981217, 42180533677, 42182213257, 51520374397, 51522053977, 75418891921, 92205451297, 106044804721 ]
[ "nonn" ]
A377285
[ 0, 1, 1, 5, 5, 8, 20, 7, 22 ]
[ "nonn", "more" ]
A234898
[ 160, 760, 760, 3456, 4024, 3456, 16572, 20404, 20404, 16572, 76032, 115924, 113288, 115924, 76032, 365024, 625480, 743436, 743436, 625480, 365024, 1676576, 3640580, 4634504, 5941320, 4634504, 3640580, 1676576, 8050184, 19965444, 32110856 ]
[ "nonn", "tabl" ]
A122856
[ 1, 2, 1, 0, 0, 2, 2, 0, 2, 2, 1, 0, 0, 2, 0, 0, 3, 2, 0, 0, 0, 4, 2, 0, 2, 0, 2, 0, 0, 2, 0, 0, 1, 2, 2, 0, 0, 2, 2, 0, 2, 4, 1, 0, 0, 2, 0, 0, 2, 2, 0, 0, 0, 0, 2, 0, 4, 2, 0, 0, 0, 4, 0, 0, 2, 2, 3, 0, 0, 0, 2, 0, 2, 4, 0, 0, 0, 2, 0, 0, 1, 2, 0, 0, 0, 2, 4, 0, 0, 2, 2, 0, 0, 2, 0, 0, 4, 2, 2, 0, 0, 4, 0, 0, 2 ]
[ "nonn" ]
A217788
[ 3, 4, 8, 9, 16, 15, 72, 37, 30, 54, 54, 54, 80, 91, 78, 204, 182, 110, 286, 183, 158, 231, 228, 105, 252, 189, 198, 119, 178, 252, 280, 152, 164, 423, 170, 185, 190, 249, 1006, 249, 678, 200, 254, 480, 216, 234, 322, 601, 264, 301, 260, 269, 244, 308, 280, 364, 612, 635, 310, 420 ]
[ "nonn" ]
A292703
[ 10545, 11602, 16237, 17984, 19978, 21788, 28046, 28666, 28669, 28693, 28928, 29629, 30698, 30896, 32869, 33438, 34699, 35373, 37198, 37300, 37639, 39273, 39477, 39755, 39756, 41859, 42003, 42219, 42490, 42538, 42619, 42624 ]
[ "nonn", "base" ]
A371402
[ 0, 8, 63, 128, 1534, 2048, 16383, 32768, 524285, 524288, 4194303, 8388608, 100663294, 134217728, 1073741823, 2147483648, 42949672956, 34359738368, 274877906943, 549755813888, 6597069766654, 8796093022208, 70368744177663, 140737488355328, 2251799813685245 ]
[ "nonn" ]
A022406
[ 3, 7, 11, 19, 31, 51, 83, 135, 219, 355, 575, 931, 1507, 2439, 3947, 6387, 10335, 16723, 27059, 43783, 70843, 114627, 185471, 300099, 485571, 785671, 1271243, 2056915, 3328159, 5385075, 8713235, 14098311, 22811547, 36909859, 59721407, 96631267, 156352675 ]
[ "nonn", "easy" ]
A081700
[ 1, 2, 7, 8, 31, 59, 179, 190, 196, 261, 302, 303 ]
[ "hard", "nonn" ]
A381017
[ 5, 13, 29, 113, 149, 197, 317, 613, 709, 797, 1009, 1129, 1373, 3001, 3209, 3853, 4513, 5261, 6361, 7213, 11681, 12853, 15373, 16729, 19577, 20593, 21101, 22133, 25997, 30757, 33317, 38669, 53077, 56401, 65101, 68777, 72533, 73517, 95093, 100621, 108637, 114553, 115781, 118213 ]
[ "nonn" ]
A099141
[ 1, 7, 73, 847, 10033, 119287, 1419193, 16886527, 200931553, 2390878567, 28449011113, 338514191407, 4027973401873, 47928772841047, 570303484727833, 6786029465163487, 80746825394093000, 960804818888214800 ]
[ "easy", "nonn" ]
A329194
[ 0, 1, 2, 2, 2, 3, 3, 3, 4, 4, 4, 4, 4, 4, 4, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8 ]
[ "nonn" ]
A170906
[ 1, 1, 2, 1, 1, 2, 2, 2, 1, 1, 2, 2, 4, 1, 2, 1, 1, 2, 2, 4, 2, 2, 3, 3, 1, 1, 2, 2, 4, 2, 4, 5, 4, 1, 2, 1, 1, 2, 2, 4, 2, 4, 6, 6, 1, 2, 3, 3, 1, 1, 2, 2, 4, 2, 4, 6, 8, 1, 2, 3, 5, 3, 3, 1, 1, 2, 2, 4, 2, 4, 6, 8, 2, 2, 3, 5, 5, 3, 5, 4, 1, 1, 2, 2, 4, 2, 4, 6, 8, 2, 4, 5, 6, 7, 6, 6, 4, 1, 2, 1 ]
[ "nonn", "tabf" ]
A011123
[ 2, 0, 6, 9, 9, 3, 5, 0, 5, 4, 0, 8, 1, 6, 1, 4, 0, 6, 1, 5, 4, 2, 6, 2, 3, 4, 2, 0, 5, 4, 8, 6, 8, 9, 1, 9, 9, 8, 5, 1, 6, 1, 4, 4, 8, 6, 7, 3, 3, 9, 0, 2, 1, 1, 8, 0, 0, 3, 3, 8, 8, 6, 1, 3, 6, 1, 0, 5, 0, 5, 2, 7, 4, 4, 4, 4, 2, 4, 9, 8, 0, 2, 6, 9, 3, 8, 0, 9, 3, 9, 9, 6, 3, 5, 5, 9, 5, 8, 7 ]
[ "nonn", "cons", "easy" ]
A194548
[ 0, 1, 1, 2, 1, 2, 1, 3, 2, 2, 1, 3, 2, 2, 1, 4, 3, 3, 2, 2, 2, 1, 4, 3, 3, 2, 3, 2, 2, 1, 5, 4, 4, 3, 3, 3, 2, 3, 2, 2, 2, 1, 5, 4, 4, 3, 4, 3, 3, 2, 3, 3, 2, 2, 2, 1, 6, 5, 5, 4, 4, 4, 3, 4, 3, 3, 3, 2, 4, 3, 3, 2, 3, 2, 2, 2, 1, 6, 5, 5, 4, 5, 4, 4, 3, 4, 4, 3, 3, 3, 2, 4, 3, 3, 3, 2, 3, 2, 2, 2, 1 ]
[ "nonn", "tabf" ]
A105523
[ 1, -1, 0, 1, 0, -2, 0, 5, 0, -14, 0, 42, 0, -132, 0, 429, 0, -1430, 0, 4862, 0, -16796, 0, 58786, 0, -208012, 0, 742900, 0, -2674440, 0, 9694845, 0, -35357670, 0, 129644790, 0, -477638700, 0, 1767263190, 0 ]
[ "easy", "sign" ]
A294787
[ 1, 1, 1, 1, 1, 3, 1, 3, 1, 3, 1, 5, 1, 3, 3, 3, 1, 5, 1, 5, 3, 3, 1, 12, 1, 3, 3, 5, 1, 12, 1, 5, 3, 3, 3, 12, 1, 3, 3, 12, 1, 12, 1, 5, 5, 3, 1, 19, 1, 5, 3, 5, 1, 12, 3, 12, 3, 3, 1, 26, 1, 3, 5, 10, 3, 12, 1, 5, 3, 12, 1, 26, 1, 3, 5, 5, 3, 12, 1, 19, 3, 3 ]
[ "nonn" ]
A032942
[ 1, 2, 3, 4, 5, 6, 7, 14, 21, 28, 35, 42, 49, 50, 51, 52, 53, 54, 55, 98, 99, 100, 101, 102, 103, 104, 147, 148, 149, 150, 151, 152, 153, 196, 197, 198, 199, 200, 201, 202, 245, 246, 247, 248, 249, 250, 251, 294, 295, 296, 297, 298 ]
[ "nonn", "base" ]
A023862
[ 1, 2, 7, 11, 26, 40, 76, 104, 171, 219, 331, 397, 566, 672, 912, 1046, 1369, 1561, 1985, 2223, 2762, 3026, 3688, 4030, 4833, 5215, 6179, 6631, 7764, 8318, 9630, 10270, 11793, 12499, 14245, 15019, 17006, 17930, 20176, 21182, 23701, 24837, 27645, 28965, 32084, 33504 ]
[ "nonn" ]
A301554
[ 1, 2, 6, 14, 32, 66, 138, 266, 512, 948, 1730, 3074, 5408, 9306, 15854, 26594, 44150, 72378, 117620, 189074, 301516, 476518, 747514, 1163470, 1798920, 2762040, 4215194, 6393196, 9642596, 14462518, 21581386, 32040562, 47345342, 69635866, 101974722, 148692638 ]
[ "nonn" ]
A237201
[ 2, 9, 170, 4023, 632148, 4843161124, 1981162639374 ]
[ "nonn", "hard", "more" ]
A159709
[ 1, 10, -782, -25460, 1814572, 107968600, -6922576520, -640595596400, 36334031470480, 4883382842903200, -239585713383638240, -45467293808242610000, 1.8697876531656322e+21, 4.999237141980961e+23, -1.6439748089216178e+25, -6.337455503810252e+27 ]
[ "sign", "frac" ]
A247188
[ 0, 0, 0, 3, 9, 22, 49, 104, 215, 438, 885, 1780, 3571, 7154, 14321, 28656, 57327, 114670, 229357, 458732, 917483, 1834986, 3669993, 7340008, 14680039, 29360102, 58720229, 117440484, 234880995, 469762018, 939524065, 1879048160, 3758096351, 7516192734, 15032385501, 30064771036, 60129542107 ]
[ "nonn", "easy" ]
A171105
[ 1, 1, 12, 675, 109781, 40047888 ]
[ "nonn", "more" ]
A231199
[ 9, 67, 67, 538, 1413, 538, 4264, 31665, 31665, 4264, 33868, 704428, 2001156, 704428, 33868, 268936, 15698874, 125862699, 125862699, 15698874, 268936, 2135636, 349736292, 7925306181, 22370911245, 7925306181, 349736292, 2135636, 16959144 ]
[ "nonn", "tabl" ]
A249405
[ 411203, 411205, 3202114, 4111203, 4111205, 4112023, 4112025, 5202114, 30211234, 30232114, 30234114, 30252114, 30256114, 32021114, 32032114, 32034114, 32052114, 32056114, 32074114, 32076114, 32112034, 32112074, 32302114, 32502114, 41111203 ]
[ "nonn", "base" ]
A128736
[ 1, 1, 3, 10, 35, 127, 474, 1810, 7043, 27839, 111503, 451640, 1847032, 7616692, 31637664, 132252886, 555967283, 2348920207, 9968617393, 42477135370, 181661283779, 779492777031, 3354893322350, 14479454240492, 62652100034380 ]
[ "nonn" ]
A077300
[ 1234567891011, 12131, 4151, 6171819202122, 2324, 252, 6272, 829303132, 33343536373, 83940414243, 4445, 46474849505, 15253, 5455565758596061000, 364, 6566, 6768697071727374, 7.576777879808183e+21, 868, 78889909, 192939495 ]
[ "base", "nonn" ]
A173590
[ 2, 3, 3, 4, 10, 4, 5, 31, 31, 5, 6, 102, 182, 102, 6, 7, 367, 1093, 1093, 367, 7, 8, 1402, 8032, 8738, 8032, 1402, 8, 9, 5511, 67763, 86181, 86181, 67763, 5511, 9, 10, 21910, 600322, 1166470, 813802, 1166470, 600322, 21910, 10, 11, 87463, 5385001, 18015797, 11900131, 11900131, 18015797, 5385001, 87463, 11 ]
[ "nonn", "easy", "tabl" ]
A111706
[ 1, 2, 3, 4, 5, 6, 7, 8, 9, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, 120, 121, 122, 123, 124, 125, 126 ]
[ "base", "easy", "nonn" ]
A045960
[ 2, 4, 6, 22, 44, 212, 262, 282, 434, 474, 646, 666, 818, 838, 868, 2442, 2662, 2772, 4884, 4994, 6666, 6886, 8118, 8338, 20202, 20402, 21012, 21812, 22322, 22422, 22922, 23332, 23532, 24042, 25652, 26162, 26262, 26562, 26762, 27372, 28682, 40204, 40804 ]
[ "nice", "nonn", "base" ]
A277895
[ 0, 1, 2, 1, 3, 1, 4, 2, 5, 1, 3, 1, 4, 5, 6, 1, 6, 1, 7, 8, 7, 1, 8, 2, 9, 10, 11, 1, 9, 1, 10, 3, 12, 4, 13, 1, 14, 15, 11, 1, 12, 1, 5, 6, 13, 1, 16, 2, 17, 7, 18, 1, 14, 8, 15, 9, 3, 1, 10, 1, 11, 12, 19, 4, 16, 1, 13, 14, 17, 1, 18, 1, 20, 21, 15, 5, 22, 1, 16, 17, 23, 1, 18, 19, 24, 25, 19, 1, 26, 6, 20, 2, 21, 7, 20, 1, 21, 22, 27, 1 ]
[ "nonn" ]
A048526
[ 37783, 85601, 259631, 268721, 350941, 371939, 378901, 516521, 665111, 733331, 883331, 967781, 1047929, 1056521, 1081721, 1258811, 1427411, 1480573, 1515929, 1584901, 1614929, 1842131, 1875311, 1885981, 2027801, 2044873, 2450531 ]
[ "nonn", "base" ]
A224081
[ 1, 4, 5, 6, 11, 12, 18, 39, 51, 98, 124, 170, 179, 208, 248, 838, 919, 939, 1233, 1352, 2177, 3070, 10714 ]
[ "nonn", "more" ]
A328553
[ 2, 40, 4160, 1089024 ]
[ "nonn", "more" ]
A381686
[ 6, 1, 3, 0, 2, 8, 2, 1, 1, 0, 7, 9, 2, 8, 0, 3, 2, 1, 1, 0, 2, 4, 0, 5, 5, 8, 1, 4, 4, 7, 1, 4, 0, 7, 9, 7, 0, 8, 9, 7, 6, 1, 6, 9, 2, 2, 3, 9, 3, 3, 1, 6, 9, 9, 2, 7, 7, 8, 9, 4, 8, 9, 0, 5, 8, 5, 7, 3, 9, 4, 5, 9, 1, 5, 0, 4, 0, 5, 8, 4, 7, 3, 7, 6, 9, 2, 7, 7, 8, 3 ]
[ "nonn", "cons", "easy" ]
A044616
[ 48, 112, 176, 240, 304, 368, 391, 432, 496, 560, 624, 688, 752, 816, 880, 903, 944, 1008, 1072, 1136, 1200, 1264, 1328, 1392, 1415, 1456, 1520, 1584, 1648, 1712, 1776, 1840, 1904, 1927, 1968, 2032, 2096, 2160, 2224, 2288, 2352 ]
[ "nonn", "base" ]
A205022
[ 15040, 275853, 7148335, 198539736, 5296848762, 139786868632, 3650380799573, 95296479247095, 2482224861095909, 64689991305033090, 1685161844199556000, 43911745208302174000, 1.1441741237121079e+21, 2.9816968100738945e+22 ]
[ "nonn" ]
A137452
[ 1, 0, 1, 0, -2, 1, 0, 9, -6, 1, 0, -64, 48, -12, 1, 0, 625, -500, 150, -20, 1, 0, -7776, 6480, -2160, 360, -30, 1, 0, 117649, -100842, 36015, -6860, 735, -42, 1, 0, -2097152, 1835008, -688128, 143360, -17920, 1344, -56, 1, 0, 43046721, -38263752, 14880348, -3306744, 459270, -40824, 2268, -72, 1 ]
[ "tabl", "sign", "easy" ]
A196809
[ 1, 1, 1, 1, 1, 1, 1, 3, 3, 1, 1, 7, 16, 7, 1, 1, 17, 37, 37, 17, 1, 1, 41, 120, 193, 120, 41, 1, 1, 99, 420, 1515, 1515, 420, 99, 1, 1, 239, 1468, 8719, 19449, 8719, 1468, 239, 1, 1, 577, 4801, 52291, 166682, 166682, 52291, 4801, 577, 1, 1, 1393, 15885, 334317, 1730105 ]
[ "nonn", "tabl" ]
A274310
[ 1, 1, 1, 1, 2, 1, 1, 4, 4, 1, 1, 6, 11, 6, 1, 1, 10, 28, 26, 9, 1, 1, 14, 61, 86, 50, 12, 1, 1, 22, 136, 276, 236, 92, 16, 1, 1, 30, 275, 770, 927, 530, 150, 20, 1, 1, 46, 580, 2200, 3551, 2782, 1130, 240, 25, 1, 1, 62, 1141, 5710, 12160, 12632, 6987, 2130, 355, 30, 1 ]
[ "nonn", "tabl", "easy", "changed" ]
A382857
[ 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 2, 1, 1, 1, 2, 2, 1, 1, 1, 1, 1, 2, 2, 1, 0, 1, 2, 1, 1, 1, 6, 1, 1, 2, 2, 2, 4, 1, 2, 2, 0, 1, 6, 1, 1, 1, 2, 1, 0, 1, 1, 2, 1, 1, 0, 2, 0, 2, 2, 1, 6, 1, 2, 1, 1, 2, 6, 1, 1, 2, 6, 1, 1, 1, 2, 1, 1, 2, 6, 1, 0, 1, 2, 1, 6, 2, 2 ]
[ "nonn" ]
A282657
[ 1, 1, 110, 111, 11000, 11111, 1100000, 1111111, 110100000, 111111111, 11010000000, 11111111111, 1101000000000, 1111111111111, 110101000000000, 111111111111111, 11010101000000000, 11111111111111112, 1101010100000000000, 1111111111111111200 ]
[ "nonn", "easy" ]
A123047
[ 1, 3, 129, 60767, 76433163, 454034821, 26675718567, 164304369911289 ]
[ "hard", "more", "nonn" ]
A272407
[ 7, 13, 31, 37, 43, 61, 67, 73, 79, 97, 103, 109, 127, 139, 151, 157, 163, 181, 193, 199, 211, 223, 229, 241, 271, 277, 283, 307, 313, 331, 337, 349, 367, 373, 379, 397, 409, 433, 463, 499, 523, 541, 577, 601, 607, 619, 661, 757, 853, 937, 1123, 1129 ]
[ "nonn", "fini", "full" ]
A335272
[ 110, 132, 1332, 6162, 10712, 12210, 35156, 60762, 67340, 152490, 296480, 352242, 354620, 357006, 648830, 771762, 932190, 1197930, 2057790, 2803950, 3241800, 3310580, 4458432, 6454140, 7865220, 9613100, 10814232, 13976382, 16382256, 19267710, 53824232, 55138050 ]
[ "nonn" ]
A203305
[ 1, 2, 48, 64512, 20808990720, 6658450862270054000, 8.590449816558321e+30, 1.801657781379092e+47, 2.4666574605086346e+68 ]
[ "nonn" ]
A222586
[ 14, 200, 4790, 128213, 3778560, 120603073, 4091063379, 143156705294, 5118550268413, 185282388086575, 6763852355780438, 248203088995170340, 9144018841491035000, 337809884604604150000, 1.2507948080012429e+22 ]
[ "nonn" ]
A151957
[ 0, 495, 6174, 62964, 420876, 7509843, 64308654, 753098643, 6431088654, 86420987532, 643330866654, 8764209875322, 64333308666654, 885432098765412, 6543331088666544, 88543320987665400, 975533110888664400 ]
[ "nonn", "base" ]
A064037
[ 1, 3, 24, 285, 4242, 73206, 1403028, 29082339, 640672890, 14818136190, 356665411440, 8874875097270, 227135946200940, 5955171596514900, 159439898653636320, 4347741997166750000, 120493374240909300000, 3.3878062310716274e+21, 9.648848400139988e+22 ]
[ "nonn" ]
A334786
[ 0, 3, 16, 115, 950, 8510, 80388, 788392, 7950930, 81935425, 859005840, 9132977490, 98240702586, 1067197649840, 11691092372000, 129011823098160, 1432744619523530, 16000911127589356, 179590878292003200, 2024687100104286500, 22917687021180660000 ]
[ "nonn", "easy" ]
A187512
[ 0, 0, 20, 330, 1224, 2726, 4807, 7458, 10679, 14470, 18831, 23762, 29263, 35334, 41975, 49186, 56967, 65318, 74239, 83730, 93791, 104422, 115623, 127394, 139735, 152646, 166127, 180178, 194799, 209990, 225751, 242082, 258983, 276454, 294495 ]
[ "nonn" ]
A378840
[ 1, 6, 66, 902, 13794, 225990, 3878946, 68854278, 1253647938, 23283474310, 439394508162, 8401507608966, 162413310158626, 3169029168475206, 62330703549363810, 1234503404283308000, 24599422679682520000, 492824963618477900000, 9.920626149798703e+21 ]
[ "nonn" ]
A007801
[ 1, 2, 2, 3, 6, 8, 8, 16, 22, 40, 80, 146, 240, 356, 488, 661, 870, 1184, 1936, 3750, 7976, 17628, 37528, 74828, 140480, 249444, 420392, 678432, 1056600, 1593512, 2334928, 3337410, 4660246, 6364080, 8527984, 11258182, 14753032, 19622940, 27836440 ]
[ "nonn" ]
A228982
[ 16, 252, 3928, 56472, 796568, 11130176, 155031688, 2156604552, 29985039328, 416823924560, 5793846296768, 80531910410704, 1119344588000512, 15558135352381712, 216247191614630880, 3005682392732317700 ]
[ "nonn" ]
A101989
[ 2, 3, 5, 7, 11, 31, 71, 19, 23, 29, 31, 73, 41, 43, 47, 53, 59, 61, 67, 71, 73, 97, 83, 89, 97, 101, 103, 701, 109, 311, 271, 311, 317, 193, 941, 151, 751, 631, 761, 317, 971, 811, 911, 193, 971, 991, 211, 223, 227, 229, 233, 293, 421, 521, 257, 263, 269, 271, 727 ]
[ "base", "easy", "nonn" ]
A198650
[ 1, 14, 185, 3904, 98467, 3050721, 108395401, 4339928301, 188551345053, 8682042687375, 414695014034677, 20274597802217044, 1005296894185682300, 50276641088590090000, 2.5273918638735475e+21, 1.2744595401421153e+23 ]
[ "nonn" ]
A317813
[ 1, 10, 8, 56, 94, 142, 434, 1071, 2279, 6087, 15953, 40210, 104488, 270430, 701710, 1825318, 4749330, 12368352, 32279336, 84388645, 220794188, 577879166, 1513375097, 3965597997, 10397097617, 27277536409, 71596450975, 187986384248 ]
[ "nonn" ]
A184229
[ 23355, 3302001, 231988508, 22718557269, 1922921988456, 174220807520698, 15315046904131216, 1365148390837029600, 120929646236147240000, 1.0742955468995988e+22, 9.531400180693433e+23 ]
[ "nonn" ]
A284276
[ 1, 4, 41, 916, 41099, 3528258, 561658287 ]
[ "nonn", "hard", "more" ]
A091908
[ 0, 1, 12, 13, 48, 49, 108, 109, 192, 193, 300, 301, 432, 433, 576, 589, 768, 769, 972, 961, 1200, 1201, 1452, 1405, 1728, 1729, 2028, 2029, 2352, 2341, 2700, 2701, 3072, 3073, 3444, 3469, 3888, 3889, 4332, 4297, 4800, 4777, 5292, 5293, 5724, 5809, 6348 ]
[ "nonn" ]
A008350
[ 1, 1, 1, 1, 2, 1, 1, 2, 2, 2, 2, 2, 2, 3, 2, 2, 4, 3, 3, 4, 3, 3, 4, 4, 3, 5, 4, 5, 6, 5, 3, 6, 6, 5, 6, 6, 6, 8, 6, 6, 7, 7, 6, 10, 8, 7, 8, 9, 7, 10, 9, 9, 11, 11, 8, 11, 10, 10, 12, 12, 9, 13, 11, 13, 14, 13, 10, 17, 14, 12, 13, 15, 13, 17, 15, 15, 17, 18, 13, 19, 16, 16, 18, 21, 15, 20, 18, 19 ]
[ "nonn" ]
A186667
[ 0, 6, 70, 760, 7434, 68348, 669289, 6670284, 66671226, 666672168, 6666673077 ]
[ "nonn", "more" ]
A120917
[ 1, 4, 32, 212, 1504, 10848, 79696, 596160, 4520000, 34673940, 268538048, 2096374656, 16475970896, 130234435648, 1034568731408, 8254368150320, 66112337392256, 531345216883584, 4283682906179728, 34632004320564416 ]
[ "nonn" ]
A275596
[ 11, 17, 23, 31, 37, 59, 73, 83, 97, 103, 167, 233, 257, 263, 307, 359, 401, 431, 433, 443, 467, 479, 487, 491, 499, 569, 727, 733, 743, 773, 839, 863, 877, 911, 919, 971, 991, 1013, 1039, 1069, 1091, 1097, 1103, 1153, 1163, 1193, 1229, 1237, 1297, 1409 ]
[ "nonn" ]
A210195
[ 1, 3, 5, 4, 7, 12, 8, 9, 24, 32, 16, 11, 40, 80, 80, 32, 13, 60, 160, 240, 192, 64, 15, 84, 280, 560, 672, 448, 128, 17, 112, 448, 1120, 1792, 1792, 1024, 256, 19, 144, 672, 2016, 4032, 5376, 4608, 2304, 512, 21, 180, 960, 3360, 8064, 13440, 15360 ]
[ "nonn", "tabf" ]
A203843
[ 1, 184, 28744, 2507842, 215340781, 19914461784, 1851737877261, 171641650035869, 15972690861916256, 1489804485985854200, 138968483224782780000, 1.2962379165673569e+22, 1.2092382811756604e+24 ]
[ "nonn" ]
A184231
[ 15, 57, 57, 180, 411, 180, 621, 2318, 2318, 621, 2061, 14641, 20958, 14641, 2061, 6966, 88103, 224156, 224156, 88103, 6966, 23355, 541936, 2227254, 4207437, 2227254, 541936, 23355, 78597, 3302001, 22904858, 72246797, 72246797, 22904858, 3302001 ]
[ "nonn", "tabl" ]
A182571
[ 53, 67, 83, 101, 109, 127, 137, 139, 163, 193, 223, 263, 271, 277, 281, 283, 311, 317, 331, 337, 359, 389, 397, 409, 421, 439, 443, 461, 503, 547, 557, 563, 577, 641, 653, 659, 683, 691, 709, 761, 769, 811, 853, 857, 859, 911, 919, 937, 953, 1019, 1031, 1039 ]
[ "nonn" ]
A236566
[ 0, 0, 1, 2, 2, 1, 2, 3, 2, 1, 3, 2, 1, 2, 1, 1, 4, 2, 1, 2, 3, 3, 4, 5, 4, 4, 5, 2, 4, 4, 3, 5, 3, 1, 5, 6, 4, 3, 6, 2, 4, 8, 4, 3, 6, 3, 4, 3, 3, 4, 5, 4, 3, 6, 6, 5, 8, 3, 4, 7, 2, 3, 5, 2, 4, 4, 3, 3, 6, 5, 4, 6, 3, 4, 7, 3, 5, 4, 2, 4, 4, 1, 2, 7, 4, 2, 5, 3, 5, 6, 4, 4, 4, 2, 3, 4, 4, 4, 5, 2 ]
[ "nonn" ]
A094562
[ 1, 2, 4, 5, 7, 8, 9, 1, 2, 4, 5, 6, 8, 9, 1, 2, 4, 5, 6, 8, 9, 1, 2, 3, 5, 6, 8, 9, 1, 2, 3, 5, 6, 8, 9, 0, 2, 3, 5, 6, 8, 9, 0, 2, 3, 5, 6, 7, 9, 0, 2, 3, 5, 6, 7, 9, 0, 2, 3, 4, 6, 7, 9, 0, 2, 3, 4, 6, 7, 9, 0, 1, 3, 4, 6, 7, 9, 0, 1, 3, 4, 6, 7, 8, 0, 1, 3, 4, 6, 7, 8, 0, 1, 3, 4, 5, 7, 8, 0, 1, 3, 4 ]
[ "nonn", "base", "easy" ]
A113232
[ 1, 2, 3, 4, 16, 8, 9, 7, 5, 6, 33, 12, 24, 14, 66, 10, 21, 25, 11, 18, 26, 20, 96, 36, 38, 17, 39, 32, 52, 19, 27, 49, 34, 72, 74, 13, 37, 76, 40, 100, 48, 56, 65, 15, 70, 28, 43, 23, 57, 104, 64, 112, 135, 22, 139, 120, 67, 137, 92, 68, 71, 128, 131, 98, 60, 88, 136, 130, 51 ]
[ "nonn" ]
A152008
[ 7, 19, 73, 163, 487, 1459, 2593, 17497, 39367, 52489, 71119, 80191, 87211, 97687, 135433, 139483, 209953, 262657, 379081 ]
[ "hard", "nonn" ]
A012313
[ 1, 0, 0, 0, 12, -60, 450, -2940, 26768, -239904, 2668680, -29987760, 392312712, -5250012768, 78929218368, -1221015912480, 20751350980608, -363744987018624, 6898607729825472, -135014880247703420 ]
[ "sign" ]
A351555
[ 0, 0, 0, 1, 1, 0, 0, 1, 1, 0, 1, 1, 1, 0, 0, 1, 1, 1, 1, 0, 0, 0, 1, 0, 1, 1, 0, 0, 2, 0, 0, 1, 0, 0, 1, 2, 1, 1, 1, 0, 2, 0, 1, 1, 2, 0, 1, 1, 2, 1, 1, 1, 1, 0, 1, 1, 0, 1, 2, 0, 1, 0, 1, 1, 1, 0, 1, 1, 0, 0, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 2, 0, 1, 1, 0, 1, 2, 1, 0, 1, 0, 0, 1, 1, 1, 1, 1, 1, 2, 0, 1, 2, 0 ]
[ "nonn" ]
A263641
[ 1, 2, 5, 17, 70, 349, 2017, 9673, 36321, 138420, 511748, 1952716, 7596839, 30518737, 122761971, 492354214, 1954807815, 7749597167, 30587342598, 120939248751, 478688493595, 1897205025687, 7520593309740, 29825363773570, 118218233684104 ]
[ "nonn" ]
A388354
[ 1, 3, 8, 1, 1, 3, 1, 1, 6, 9, 5, 0, 5, 0, 2, 2, 5, 6, 9, 3, 1, 0, 4, 6, 9, 6, 4, 7, 6, 6, 8, 0, 8, 8, 7, 8, 2, 8, 8, 5, 1, 4, 0, 9, 5, 4, 0, 7, 4, 6, 0, 7, 4, 0, 9, 2, 8, 5, 6, 9, 6, 9, 5, 8, 0, 5, 8, 0, 2, 1, 3, 0, 3, 5, 8, 7, 7, 5, 6, 0, 4, 1, 5, 5, 4, 0, 1 ]
[ "nonn", "cons" ]
A128556
[ 1, 2, 4, 3, 6, 8, 12, 18, 24, 16, 5, 10, 20, 30, 32, 36, 9, 15, 28, 42, 40, 48, 50, 54, 56, 64, 7, 14, 44, 60, 72, 84, 96, 108, 120, 80, 70, 88, 104, 112, 90, 132, 144, 45, 66, 128, 136, 152, 160, 156, 168, 176, 100, 27, 52, 78, 184, 192, 98, 102, 200, 180 ]
[ "nonn" ]
A091764
[ 1, 2, 2, 6, 12, -2, 20, 60, -20, 4, 70, 280, -140, 56, -10, 252, 1260, -840, 504, -180, 28, 924, 5544, -4620, 3696, -1980, 616, -84, 3432, 24024, -24024, 24024, -17160, 8008, -2184, 264, 12870, 102960, -120120, 144144, -128700, 80080, -32760, 7920 ]
[ "tabl", "sign" ]
A130820
[ 2, 8, 7, 0, 2, 2, 2, 1, 5, 6, 9, 7, 3, 3, 9, 6, 3, 3, 0, 8, 1, 9, 4, 5, 8, 8, 6, 5, 8, 1, 1, 1, 9, 9, 6, 0, 1, 2, 4, 0, 3, 1, 9, 2, 6, 2, 2, 8, 0, 9, 9, 5, 7, 0, 1, 2, 0, 3, 1, 2, 7, 7, 3, 6, 2, 7, 2, 8, 5, 0, 3, 8, 0, 7, 6, 8, 0, 3, 7, 5, 2, 7, 8, 4, 5, 6, 3, 9, 2, 3, 6, 1, 5, 0, 7, 1, 4, 8, 2, 4 ]
[ "cons", "easy", "nonn" ]
A255085
[ 265, 522, 964, 2005, 4405, 9989, 22601, 50980, 114903, 261406, 602851, 1401088, 3245506, 7500936, 17319501, 40038474, 92880007, 215939488, 501628958, 1164460794, 2701599314, 6267866505, 14554457354, 33816400387, 78558506481 ]
[ "nonn" ]
A175381
[ 1, 2, 3, 4, 6, 8, 10, 12, 16, 20, 24, 32, 36, 40, 48, 64, 72, 80, 96, 128, 136, 144, 160, 192, 256, 272, 288, 320, 384, 512, 528, 544, 576, 640, 768, 1024, 1056, 1088, 1152, 1280, 1536, 2048, 2080, 2112, 2176, 2304, 2560, 3072, 4096, 4160, 4224, 4352, 4608 ]
[ "base", "nonn" ]
A310014
[ 1, 3, 4, 8, 7, 13, 16, 15, 27, 18, 26, 29, 28, 37, 32, 36, 41, 45, 48, 45, 53, 52, 54, 69, 56, 59, 68, 66, 77, 75, 68, 83, 83, 90, 76, 95, 92, 89, 112, 86, 97, 117, 100, 121, 105, 108, 118, 127, 128, 115 ]
[ "nonn" ]
A329938
[ 1, 3, 5, 7, 9, 11, 13, 15, 16, 18, 20, 22, 24, 26, 28, 30, 32, 33, 35, 37, 39, 41, 43, 45, 47, 48, 50, 52, 54, 56, 58, 60, 62, 64, 65, 67, 69, 71, 73, 75, 77, 79, 80, 82, 84, 86, 88, 90, 92, 94, 96, 97, 99, 101, 103, 105, 107, 109, 111, 112, 114, 116, 118 ]
[ "nonn", "easy" ]
A252278
[ 206, 185, 185, 232, 300, 232, 322, 588, 588, 322, 535, 948, 1407, 948, 535, 852, 2154, 2513, 2513, 2154, 852, 1260, 4702, 7803, 4895, 7803, 4702, 1260, 2221, 7922, 20430, 15739, 15739, 20430, 7922, 2221, 3676, 18772, 37160, 43488, 67509, 43488, 37160 ]
[ "nonn", "tabl" ]
A031345
[ 2, 3, 5, 7, 14, 16, 20, 22, 29, 35, 40, 46, 53, 55, 59, 68, 74, 79, 85, 92, 94, 100, 107, 113, 124, 170, 172, 176, 178, 185, 202, 209, 215, 217, 230, 235, 241, 250, 254, 263, 269, 274, 287, 289, 293, 295, 352, 367, 371, 373, 380, 386, 391, 404, 410 ]
[ "nonn", "base" ]
A387638
[ 1, 1, 0, 3, 7, 7, 2, 3, 2, 7, 2, 5, 8, 1, 8, 2, 1, 4, 2, 4, 9, 7, 0, 1, 8, 4, 2, 8, 0, 2, 7, 7, 5, 2, 2, 1, 7, 0, 8, 1, 0, 0, 9, 5, 9, 8, 5, 6, 9, 7, 9, 4, 6, 7, 8, 8, 0, 2, 8, 9, 9, 3, 2, 9, 9, 1, 9, 5, 5, 0, 4, 1, 8, 0, 2, 9, 0, 7, 3, 9, 5, 7, 9, 9, 7, 1, 6, 2, 9, 4, 3, 2, 2, 2, 0, 6, 7, 5, 8, 2, 8, 4, 2, 3, 1 ]
[ "nonn", "cons" ]
A247229
[ 3, 7, 11, 127, 89, 8191, 30839, 363889, 178481, 2089, 4404047, 616318177, 164511353, 2099863, 13264529, 20394401 ]
[ "nonn", "more" ]
A357668
[ 0, 1, 1, 10, 55, 307, 2026, 14779, 114157, 933616, 8110261, 74525167, 719925328, 7279859485, 76855303981, 845280487018, 9663800287483, 114601481983855, 1407040763488354, 17856103120048784, 233883061849700130, 3157648445216335400, 43887908697233605000 ]
[ "nonn" ]
A322029
[ 1, 1, 9, 1, 1, 1, 49, 1, 1, 1, 1, 1, 1, 1, 169, 1, 1, 1, 1, 1, 1, 1, 1, 1 ]
[ "nonn", "frac", "hard" ]