N8Programs/oeis-enhanced · Datasets at Hugging Face

id stringlengths 7 11	seq listlengths 1 347	keywords listlengths 1 8 ⌀
A211681	[ 2, 3, 5, 7, 23, 37, 53, 73, 237, 373, 537, 737, 2373, 3737, 5373, 7373, 23737, 37373, 53737, 73737, 237373, 373737, 537373, 737373, 2373737, 3737373, 5373737, 7373737, 23737373, 37373737, 53737373, 73737373, 237373737, 373737373, 537373737, 73737...	[ "nonn", "base", "easy" ]
A370637	[ 0, 0, 0, 1, 2, 8, 25, 67, 134, 309, 709, 1579, 3420, 7240, 15077, 30997, 61994, 125364, 253712, 512411, 1032453, 2075737, 4166469, 8352851, 16731873, 33497422, 67038086, 134130344, 268328977, 536741608, 1073586022, 2147296425, 4294592850, 8589346462,...	[ "nonn" ]
A057089	[ 1, 6, 42, 288, 1980, 13608, 93528, 642816, 4418064, 30365280, 208700064, 1434392064, 9858552768, 67757668992, 465697330560, 3200729997312, 21998563967232, 151195763787264, 1039165966526976, 7142170381885440 ]	[ "nonn", "easy" ]
A276430	[ 1, 1, 1, 1, 2, 1, 2, 2, 1, 3, 3, 1, 5, 3, 2, 1, 6, 5, 3, 1, 7, 8, 4, 2, 1, 10, 10, 6, 3, 1, 13, 13, 9, 4, 2, 1, 16, 18, 12, 6, 3, 1, 22, 22, 16, 10, 4, 2, 1, 27, 29, 22, 13, 6, 3, 1, 33, 40, 28, 17,...	[ "nonn", "tabf" ]
A074896	[ 1, 4, 9, 18, 46, 52, 61, 63, 94, 121, 144, 148, 163, 169, 423, 441, 484, 487, 522, 526, 652, 675, 676, 691, 925, 927, 961, 982, 1042, 1062, 1089, 1251, 1273, 1297, 1405, 1426, 1656, 1674, 1828, 1843, 1861, 4032, 4069, 4072, 4201...	[ "nonn", "easy", "base" ]
A206095	[ 2, 2, 17, 17, 83, 167, 167, 227, 398, 398, 5297, 64382, 69467, 116387, 214037, 214037, 430022, 5472953, 8062073, 8062073, 41941577, 86374763, 163520117, 163520117, 231912722, 231912722, 231912722, 545559467, 1728061733 ]	[ "nonn" ]
A269228	[ 1, 2, 7, 28, 122, 556, 2618, 12634, 62128, 310212, 1568495, 8014742, 41323641, 214719610, 1123244757, 5910863420, 31268459118, 166185855552, 886961294034, 4751819567488, 25545030878475, 137756210983218, 745003421378887, 4039670554117446, 21957581725458520 ]	[ "nonn" ]
A232564	[ 1, 2, 4, 3, 6, 11, 21, 5, 9, 17, 33, 8, 15, 29, 56, 7, 13, 25, 48, 12, 23, 44, 85, 22, 42, 81, 156, 41, 79, 152, 293, 10, 19, 37, 71, 18, 35, 67, 129, 34, 65, 125, 241, 64, 123, 237, 457, 16, 31, 60, 115, 30, 58,...	[ "nonn", "easy" ]
A272599	[ 38798760, 46966920, 52492440, 59219160, 63303240, 66186120, 68643960, 70750680, 75555480, 77597520, 80120040, 81124680, 83723640, 84444360, 85645560, 86551080, 87807720, 92520120, 93573480, 93933840, 95975880, 98138040, 102222120, 102287640, 104772360, 104984880, ...	[ "nonn" ]
A286316	[ 0, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 3, 4, 5, 6, 8, 9, 11, 13, 15, 17, 20, 22, 25, 28, 32, 35, 40, 44, 50, 56, 63, 70, 80, 89, 101, 113, 128, 143, 162, 181, 204, 228, 256, 285, 320, 355, 396, 439, 489, 540, 599, 660,...	[ "nonn" ]
A379404	[ 1, 2, 4, 3, 6, 19, 5, 8, 24, 46, 7, 12, 47, 78, 31, 9, 22, 65, 128, 77, 14, 10, 25, 72, 135, 93, 50, 91, 11, 27, 87, 154, 134, 92, 168, 239, 13, 29, 94, 197, 153, 183, 240, 337, 232, 15, 38, 97, 247, 196, 241, 400,...	[ "nonn", "tabl" ]
A258617	[ 0, 12, 64, 180, 384, 700, 1152, 1764, 2560, 3564, 4800, 6292, 8064, 10140, 12544, 15300, 18432, 21964, 25920, 30324, 35200, 40572, 46464, 52900, 59904, 67500, 75712, 84564, 94080, 104284, 115200, 126852, 139264, 152460, 166464, 181300, 196992, ...	[ "nonn", "easy" ]
A142634	[ 47, 157, 487, 1367, 1697, 2027, 2137, 2357, 2467, 2687, 2797, 3347, 3457, 3677, 4007, 4337, 4447, 5107, 5437, 5657, 5987, 6317, 6427, 6977, 7307, 7417, 8297, 8627, 8737, 9067, 9397, 10607, 10937, 11047, 11597, 11927, 12037, 12697, 12917, ...	[ "nonn", "easy" ]
A373392	[ 1, 0, 0, 1, -2, 3, -4, 7, -18, 51, -136, 339, -814, 1935, -4620, 11111, -26842, 64923, -156944, 379067, -915078, 2208711, -5331476, 12870639, -31072754, 75018195, -181113240, 437248771, -1055610782, 2548462143, -6152518684, 14853483127, -35859484938, ...	[ "sign", "easy" ]
A196981	[ 9, 803, 31386, 1272373, 53216978, 2188092870, 90401915964, 3740738215983, 154705956361411, 6393070820268590, 264219149718966460, 10923404535101323000, 451574917966470450000, 1.8666476210321258e+22 ]	[ "nonn" ]
A379721	[ 1, 2, 3, 5, 7, 9, 11, 13, 15, 17, 19, 21, 23, 25, 27, 29, 30, 31, 33, 35, 37, 39, 41, 42, 43, 45, 47, 49, 50, 51, 53, 54, 55, 57, 59, 61, 63, 65, 66, 67, 69, 70, 71, 73, 75, 77, 78, 79, 81, 83, 84, 85, 87, 89, ...	[ "nonn" ]
A240892	[ 32, 1216, 38981, 1255585, 40424861, 1302610899, 41971040844, 1352138182759, 43565815810587, 1403705064843757, 45228360174728350, 1457291782946371300, 46955159811511460000, 1.5129358508299515e+21, 4.874813354391184e+22 ]	[ "nonn" ]
A136899	[ 0, 2, 5, 20, 45, 50, 52, 200, 205, 450, 455, 500, 502, 505, 520, 745, 755, 2000, 2005, 2050, 2245, 4500, 4550, 4552, 5000, 5002, 5005, 5020, 5045, 5050, 5052, 5200, 7450, 7455, 7550, 20000, 20005, 20050, 20500, 20505, 22450, 22455, ...	[ "base", "nonn" ]
A088624	[ 2, 1, 4, 13, 10, 19, 40, 33, 56, 58, 54, 87, 75, 82, 106, 94, 136, 125, 145, 148, 207, 174, 201, 182, 210, 187, 251, 259, 230, 284, 238, 313, 312, 346, 320, 329, 338, 373, 433, 386, 424, 375, 392, 503, 449, 475, 495, 493, ...	[ "base", "nonn" ]
A170448	[ 1, 7, 42, 252, 1512, 9072, 54432, 326592, 1959552, 11757312, 70543872, 423263232, 2539579392, 15237476352, 91424858112, 548549148672, 3291294892032, 19747769352192, 118486616113152, 710919696678912, 4265518180073472 ]	[ "nonn" ]
A213988	[ 3, 126, 28328, 29365738, 124477495732 ]	[ "nonn" ]
A183899	[ 1, 5, 66, 174, 329, 539, 815, 1169, 1614, 2164, 2834, 3640, 4599, 5729, 7049, 8579, 10340, 12354, 14644, 17234, 20149, 23415, 27059, 31109, 35594, 40544, 45990, 51964, 58499, 65629, 73389, 81815, 90944, 100814, 111464, 122934, 135265, 148499,...	[ "nonn" ]
A091996	[ 1, 2, 4, 7, 8, 11, 22, 32, 50, 55, 80, 106, 155, 172, 208, 235, 391, 436, 470, 776, 1558, 1675, 2795, 2908, 2947, 3970, 4004, 5774, 6248, 11278, 11824, 17824, 41708, 51530, 92500, 137930, 192122, 242488, 251947, 414355 ]	[ "nonn" ]
A181923	[ 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 1, 0, 1, 0, 0, 0, 1, 0, 1, 0, 0, 1, 0, 0, 0, 1, 0, 0, 1, 0, 1, 0, 0, 1, 0, 1, 0, 0, 0, 1, 0, 1, 0, 0, 1, 0, 0, 0, 1, 0, 1, 0, 0, 1, 0, 0, 1, 0, 1...	[ "nonn" ]
A084828	[ 1, 2, 13, 32, 68 ]	[ "hard", "more", "nonn" ]
A063384	[ 7, 17, 117, 913, 1183, 1391, 13107, 51257, 151257, 381397, 577661, 4911789, 29116879, 112646989, 536920981, 1928258999, 11928258999, 25227472837, 46275452231, 212892173679, 370964057893, 1859199550327, 5593332415439 ]	[ "base", "nonn" ]
A327732	[ 17, 388, 428, 460, 461, 500, 595, 607, 840, 962, 963, 1058, 1253, 1743, 1798, 1810, 1815, 1843, 1932, 1975, 2059, 2060, 2368, 2526, 2558, 2857, 2900, 3419, 3430, 3519, 3906, 4174, 4175, 4314, 4422, 4493, 4498, 4527, 4547, 4570, 4684, ...	[ "nonn", "base" ]
A167003	[ 1, 1, -4, -4, -8220, -16910960, -220513689396, -19336259194582784, -1.2353453824556774e+22, -6.081775463060575e+28, -2.3851175411323168e+36 ]	[ "sign" ]
A174645	[ 0, 0, 0, 0, 0, 0, 0, 0, 16, 170, 920, 3512, 10896, 29020, 68550, 147240, 292996, 547590, 970996, 1646446, 2686212, 4238086, 6492580, 9690846, 14133316, 20189062, 28305876, 39021070, 52972996, 70913286, 93719812, 122410366, 158157060, 202301446, 256...	[ "nonn", "easy" ]
A005519	[ 1, 1, 2, 7, 26, 153, 1134, 11050, 128987, 1765252, 27418060 ]	[ "nonn", "nice", "hard", "more" ]
A109377	[ 2, 5, 10, 17, 29, 51, 90, 158, 277, 486, 853, 1497, 2627, 4610, 8090, 14197, 24914, 43721, 76725, 134643, 236282, 414646, 727653, 1276942, 2240877, 3932465, 6900995, 12110402, 21252274, 37295141, 65448410, 114853953, 201554637, 353703731, 620706778...	[ "nonn", "easy" ]
A052546	[ 1, 0, 1, 3, 2, 7, 13, 18, 41, 71, 122, 239, 421, 762, 1417, 2543, 4642, 8495, 15389, 28082, 51177, 93047, 169610, 308847, 562197, 1024170, 1864841, 3395711, 6184498, 11261551, 20507789, 37346914, 68008809, 123848199, 225535258 ]	[ "easy", "nonn" ]
A336949	[ 1, 2, 14, 195, 4440, 147745, 6698448, 394852577, 29250137472, 2652483234033, 288363456748800, 36952298766628460, 5504130616452259000, 941845623036360900000, 1.8329811072315646e+23, 4.022161239463023e+25, 9.876429434585098e+27 ]	[ "nonn" ]
A088724	[ 6, 18, 20, 40, 54, 56, 66, 78, 80, 100, 102, 110, 112, 114, 138, 140, 160, 162, 174, 182, 186, 198, 200, 222, 224, 234, 246, 258, 260, 272, 282, 318, 320, 340, 354, 364, 366, 392, 400, 402, 414, 426, 438, 448, 460, 474, 486,...	[ "nonn" ]
A271744	[ 30, 59, 139, 365, 1039, 3149, 10039, 33365, 114799, 406589, 1475239, 5460965, 20550559, 78375629, 302129239, 1174610165, 4597146319, 18085554269, 71434828039, 283020552965, 1123932750079, 4471296246509, 17811907987639, 71027855481365, 283452201569839 ]	[ "nonn", "easy" ]
A190296	[ 1, 2, 3, 4, 5, 6, 7, 8, 9, 11, 15, 20, 22, 24, 33, 40, 42, 44, 48, 51, 55, 60, 66, 77, 80, 84, 88, 99, 102, 108, 111, 114, 117, 120, 126, 132, 135, 144, 150, 153, 156, 162, 171, 180, 192, 195, 198, 201, 204, 207, 210...	[ "nonn", "base" ]
A287056	[ -1, -1, -1, -1, -1, 1, 1, -1, 1, 1, 1, 1, 1, 0, -1, 1, 1, 1, 1, 1, 1, -1, 2, 2, 1, -1, 1, 1, 1, 1, 1, 1, 1, 1, 1, -1, 2, 2, 2, -1, 3, 3, 3, 3, -1, 4, 4, -1, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, ...	[ "sign" ]
A026678	[ 1, 1, 4, 5, 17, 23, 73, 103, 314, 455, 1350, 1993, 5798, 8679, 24872, 37633, 106573, 162643, 456169, 701075, 1950697, 3015563, 8334539, 12948083, 35582783, 55513327, 151809737, 237705547, 647279131, 1016736115, 2758310121 ]	[ "nonn" ]
A171557	[ 1, 3, -9, -81, -243, -1215, -5103, -15309, -59049, -216513, -649539, -2302911, -7971615, -23914845, -81310473, -272629233, -817887699, -2711943423, -8910671247, -26732013741, -87169610025, -282429536481, -847288609443 ]	[ "easy", "sign" ]
A033927	[ 1, 1, 2, 3, 4, 5, 6, 1, 2, 3, 4, 5, 6, 7, 2, 3, 4, 5, 6, 7, 8, 3, 4, 5, 6, 7, 8, 9, 4, 5, 6, 7, 8, 9, 10, 5, 6, 7, 8, 9, 10, 11, 6, 7, 8, 9, 10, 11, 12, 2, 3, 4, 5, 6, 7, 8, 3, 4, 5, 6, 7, 8, ...	[ "nonn", "base" ]
A316521	[ 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 13, 14, 15, 16, 17, 19, 21, 22, 23, 25, 26, 27, 29, 30, 31, 32, 33, 34, 35, 38, 39, 41, 42, 43, 46, 47, 49, 51, 53, 55, 57, 58, 59, 62, 64, 65, 66, 67, 69, 70, 73, 77, 78, 7...	[ "nonn" ]
A321037	[ 7752, 942172, 69858360, 4110110550, 211675627240, 10018481786544, 448004505210535, 19256258184412310, 804574034878107600, 32931600573236530000, 1.3276215913999832e+21, 5.292452708567462e+22, 2.0922678824287827e+24, 8.220420390681182e+25 ]	[ "nonn" ]
A161730	[ 72927, 76167, 434434, 868868, 1226221, 4778774, 5703075, 8755578, 9386839, 13488431, 43877834, 123848321, 564414465, 777555777, 1072772701, 1946776491, 9935115399, 12467976421, 52854045825, 74663436647, 83361616338, 95829592859 ]	[ "base", "nonn" ]
A067357	[ 1, 1, 2, 2, 2, 3, 4, 4, 5, 6, 6, 8, 10, 10, 12, 14, 15, 18, 20, 22, 26, 29, 32, 36, 40, 44, 50, 56, 60, 68, 76, 82, 92, 101, 110, 122, 134, 146, 160, 176, 191, 210, 230, 248, 272, 296, 320, 350, 380, 410, 446, 484,...	[ "easy", "nonn" ]
A380611	[ 1, 1, 3, 1, 10, 16, 1, 35, 135, 40, 45, 1, 126, 896, 875, 756, 375, 96, 1, 462, 5250, 10206, 8400, 2450, 14336, 2800, 875, 1701, 175, 1, 1716, 28512, 90552, 74250, 65856, 257250, 48000, 74088, 55566, 102900, 8100, 10976, 5488, 288...	[ "nonn", "tabf" ]
A003189	[ 1, 1, 1, 2, 6, 156, 7013488, 29288387523484990, 2.3443174553404893e+32 ]	[ "dead" ]
A241610	[ 35, 105, 315, 889, 2567, 7483, 21631, 62547, 181255, 524877, 1519408, 4399720, 12740155, 36888358, 106810847, 309276700, 895517750, 2592992001, 7508089778, 21739889599, 62948442860, 182269006155, 527765093824, 1528158677522 ]	[ "nonn" ]
A261985	[ 0, 1, 1, 3, 2, 4, 3, 6, 5, 8, 6, 14, 11, 11, 8, 17, 18, 16, 13, 32, 25, 27, 19, 39, 32, 39, 35, 58, 40, 47, 32, 61, 47, 65, 41, 93, 58, 67, 54, 95, 73, 80, 89, 130, 109, 94, 87, 142, 110, 106, 102, 203, 129, 13...	[ "nonn", "easy" ]
A272030	[ 3, 1, 7, 0, 4, 5, 9, 3, 4, 2, 1, 4, 2, 5, 6, 6, 3, 6, 5, 3, 2, 6, 4, 8, 8, 2, 4, 8, 8, 8, 2, 2, 6, 3, 0, 2, 8, 5, 6, 1, 2, 5, 4, 4, 3, 6, 3, 1, 7, 9, 8, 9, 4, 8, 7, 4, 2, 1, 4, 3, 3, 9, 8, 0...	[ "nonn", "cons" ]
A052902	[ 0, 0, 0, 0, 0, 18, 54, 0, 0, 0, 18, 36, 0, 0, 0, 0, 0, 0, 0, 54, 36, 18, 0, 0, 18, 90, 72, 36, 90, 18, 144, 18, 36, 54, 270, 0, 414, 450, 450, 36, 18, 630, 720, 54, 18, 720, 0, 0, 0, 0, 0, 54, 180, 270, 0, ...	[ "base", "easy", "nonn" ]
A057340	[ 1, 2, 6, 12, 12, 12, 12, 24, 72, 60, 60, 72, 72, 72, 120, 240, 240, 180, 180, 360, 360, 360, 360, 720, 720, 720, 720, 720, 720, 720, 720, 720, 720, 720, 840, 2520, 2520, 2520, 2520, 1440, 1440, 2520, 2520, 2520, 2520, 2520, ...	[ "nonn" ]
A375373	[ 1, -2, 4, -4, 6, -4, 9, -4, 16, 0, 28, 16, 57, 58, 132, 172, 322, 476, 817, 1272, 2112, 3360, 5496, 8832, 14353, 23158, 37540, 60668, 98238, 158876, 257145, 415988, 673168, 1089120, 1762324, 2851408, 4613769, 7465138, 12078948, 19544044, ...	[ "sign" ]
A258219	[ 1, 1, 1, 1, 2, 4, 1, 3, 10, 25, 1, 4, 18, 74, 208, 1, 5, 28, 153, 706, 2146, 1, 6, 40, 268, 1638, 8162, 26368, 1, 7, 54, 425, 3172, 20898, 110410, 375733, 1, 8, 70, 630, 5500, 44164, 307908, 1708394, 6092032, 1, 9, 88, 8...	[ "nonn", "tabl" ]
A071424	[ 1, 2, 3, 5, 8, 11, 15, 20, 26, 33, 41, 50, 60, 71, 84, 98, 113, 129, 147, 166, 186, 208, 231, 255, 281, 308, 337, 367, 398, 431, 465, 501, 538, 577, 618, 660, 704, 749, 796, 844, 894, 946, 999, 1054, 1111, 1169, 1229, 1291...	[ "easy", "nonn", "base" ]
A249064	[ 1, 2, 3, 5, 4, 7, 9, 11, 13, 8, 17, 19, 23, 25, 29, 31, 21, 37, 16, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, 97, 101, 103, 107, 22, 109, 113, 27, 35, 127, 131, 137, 139, 149, 151, 157, 163, 167, 169, 173, 17...	[ "nonn" ]
A061051	[ 0, 225, 40401, 2042041, 317231721, 16198161984, 3921203921209, 400000040000001, 23391004233910040, 1100298301100298200, 141162631214116260000, 1.3223140496132232e+21, 3.171326702963171e+24, 1.0778698318861078e+26, 2.9726516052320296e+28, 1.003781781031081e+30 ]	[ "base", "nonn" ]
A160979	[ 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 2, 1, 2, 1, 2, 1, 2, 3, 3, 3, 5, 4, 5, 6, 6, 6, 10, 8, 9, 11, 12, 11, 14, 13, 15, 19, 17, 18, 22, 21, 23, 25, 25, 26, 33, 31, 34, 37, 39, 40, ...	[ "nonn" ]
A040495	[ 22, 1, 3, 6, 3, 1, 44, 1, 3, 6, 3, 1, 44, 1, 3, 6, 3, 1, 44, 1, 3, 6, 3, 1, 44, 1, 3, 6, 3, 1, 44, 1, 3, 6, 3, 1, 44, 1, 3, 6, 3, 1, 44, 1, 3, 6, 3, 1, 44, 1, 3, 6, 3, 1, 44, 1, 3, 6, 3, 1, 44, ...	[ "nonn", "cofr", "easy", "less" ]
A024442	[ 1, 28, 518, 7988, 111279, 1454376, 18208156, 221140696, 2626932077, 30692791844, 354119115714, 4046102802924, 45880411771195, 517157095113232, 5801772397167992, 64842434348911470, 722511991410929400 ]	[ "nonn" ]
A125673	[ 1, 3, 15, 57, 231, 853, 3131, 11007 ]	[ "nonn" ]
A080610	[ 0, 1, 4, 5, 20, 21, 84, 85, 340, 341, 1364, 1365, 5460, 5461, 21844, 21845, 87380, 87381, 349524, 349525, 1398100, 1398101, 5592404, 5592405, 22369620, 22369621, 89478484, 89478485, 357913940, 357913941, 1431655764, 1431655765, 5726623060 ]	[ "nonn", "easy" ]
A016084	[ 5, 10, 11, 13, 17, 25, 32, 37, 38, 40, 44, 52, 59, 64, 65, 67, 71, 79, 86, 91, 92, 94, 98, 106, 113, 118, 119, 121, 125, 133, 140, 145, 146, 148, 152, 160, 167, 172, 173, 175, 179, 187, 194, 199, 200, 202, 206, 214, 221,...	[ "nonn", "base", "easy" ]
A312142	[ 1, 4, 8, 13, 18, 23, 28, 33, 37, 40, 45, 48, 53, 58, 64, 69, 74, 79, 83, 84, 90, 92, 98, 103, 109, 115, 120, 125, 129, 129, 135, 136, 143, 148, 154, 160, 166, 171, 175, 174, 181, 180, 188, 193, 199, 205, 211, 217, 221, ...	[ "nonn" ]
A198851	[ 2, 23, 191, 1535, 12287, 98303, 786431, 6291455, 50331647, 402653183, 3221225471, 25769803775, 206158430207, 1649267441663, 13194139533311, 105553116266495, 844424930131967, 6755399441055743, 54043195528445950 ]	[ "nonn", "easy" ]
A170973	[ 1, 1, 0, 0, 0, 1, 1, 0, 0, 1, 1, 0, 0, 1, 2, 1, 0, 1, 2, 1, 0, 1, 3, 2, 0, 1, 3, 3, 1, 1, 4, 4, 1, 1, 4, 5, 2, 1, 5, 7, 3, 0, 4, 8, 5, 1, 4, 9, 6, 1, 3, 10, 9, 2, 3, 10, 10, 3, 2, 10, 13, 5, 2...	[ "nonn", "fini", "full", "easy" ]
A331797	[ 0, 1, 5, 28, 183, 1401, 12466, 127443, 1478581, 19239274, 277797577, 4409962349, 76355817104, 1432117088325, 28925947345561, 625973017346996, 14449435509751844, 354384392492622800, 9202836581079864000, 252260861877820750000, 7.27871002068273e+21 ]	[ "nonn" ]
A004177	[ 0, 1, 0, 3, 4, 5, 6, 7, 8, 9, 10, 11, 1, 13, 14, 15, 16, 17, 18, 19, 0, 1, 0, 3, 4, 5, 6, 7, 8, 9, 30, 31, 3, 33, 34, 35, 36, 37, 38, 39, 40, 41, 4, 43, 44, 45, 46, 47, 48, 49, 50, 51, 5, 53, 54, 55, 56, ...	[ "nonn", "base", "look" ]
A353833	[ 1, 2, 3, 4, 5, 7, 8, 9, 11, 12, 13, 16, 17, 19, 23, 25, 27, 29, 31, 32, 37, 40, 41, 43, 47, 49, 53, 59, 61, 63, 64, 67, 71, 73, 79, 81, 83, 89, 97, 101, 103, 107, 109, 112, 113, 121, 125, 127, 128, 131, 137, 139, ...	[ "nonn" ]
A032295	[ 4, 6, 16, 45, 132, 404, 1296, 4380, 15064, 53622, 192696, 703895, 2589300, 9606744, 35824088, 134297280, 505421340, 1909194056, 7234153416, 27489073899, 104717489748, 399827555604, 1529763696816 ]	[ "nonn" ]
A371572	[ 0, 1, 1, 1, 2, 1, 1, 3, 1, 2, 1, 2, 3, 1, 1, 4, 1, 3, 1, 3, 4, 1, 2, 1, 2, 4, 1, 2, 3, 1, 2, 3, 4, 1, 1, 5, 1, 4, 1, 4, 5, 1, 3, 1, 3, 5, 1, 3, 4, 1, 3, 4, 5, 1, 2, 1, 2, 5, 1, 2, 4, 1, 2, 4...	[ "nonn", "base", "tabf", "easy" ]
A182358	[ 2, 3, 5, 7, 11, 12, 13, 17, 18, 19, 20, 23, 28, 29, 31, 32, 37, 41, 43, 44, 45, 47, 48, 50, 52, 53, 59, 61, 63, 67, 68, 71, 73, 75, 76, 79, 80, 83, 89, 92, 97, 98, 99, 101, 103, 107, 109, 112, 113, 116, 117, 124, ...	[ "nonn", "easy" ]
A173214	[ 0, 0, 0, 0, 2, 112, 1754, 13074, 63400, 234014, 712248, 1882132, 4457246, 9679760, 19584514, 37367934, 67849336, 118085614, 198107620, 321870956, 508359070, 782972820, 1179105738, 1740089734, 2521359260, 3593085246, 5043058972 ]	[ "nonn", "nice", "easy" ]
A369679	[ 2, 20, 1190, 449540, 1094267450, 17283181758500, 1774660248586903000, 1.1825790465087661e+24, 5.13458137681948e+30, 1.4454789042324853e+38, 2.65277205249805e+46, 3.157474585336374e+55 ]	[ "nonn" ]
A032215	[ 1, 2, 1, 3, 3, 4, 6, 7, 9, 11, 19, 21, 30, 38, 50, 83, 101, 137, 183, 249, 310, 524, 618, 871, 1125, 1543, 1959, 2621, 3934, 4890, 6582, 8639, 11417, 14765, 19499, 24509, 36486, 44424, 59698, 76235, 101481, 127807, 168747, 212221,...	[ "nonn" ]
A046959	[ 0, 1, 2, 8, 14, 33, 322, 366, 699, 1409, 2119, 2829, 3539, 4249, 4959, 5669, 6379, 7089, 7799, 8509, 9219, 9929, 10639, 11349, 12059, 12769, 13479, 14189, 14899, 15609, 16319, 17029, 17739, 18449, 19159, 19869, 20579, 21289, 21999, 22709,...	[ "nonn" ]
A028486	[ 1, 1364, 6323504, 35269184041, 207171729355756, 1240837214254999800, 7.491895591984935e+21, 4.539012255303955e+25, 2.7540862421947507e+29, 1.6721505953203357e+33, 1.015538244151804e+37 ]	[ "nonn" ]
A162217	[ 1, 1, 1, 2, 2, 3, 5, 5, 5, 6, 6, 6, 8, 8, 7, 7, 9, 9, 10, 10, 9, 9, 10, 10, 10, 12, 14, 14, 13, 13, 14, 14, 15, 16, 16, 16, 16, 18, 18, 18, 18, 18, 18, 18, 18, 19, 19, 20, 22, 22, 24, 24, 26, 26, 25, 26, ...	[ "base", "nonn" ]
A020998	[ 1, 7, 165, 227, 278, 322, 323, 385, 414, 433, 439, 634, 860, 964, 1045, 1268 ]	[ "nonn", "base" ]
A365314	[ 0, 0, 1, 3, 6, 8, 14, 14, 23, 24, 33, 28, 52, 36, 55, 58, 73, 53, 95, 62, 110, 94, 105, 81, 165, 105, 133, 132, 176, 112, 225, 123, 210, 174, 192, 186, 306, 157, 223, 218, 328, 180, 354, 192, 324, 315, 288, 216, 474, 2...	[ "nonn" ]
A026559	[ 1, 3, 12, 45, 180, 721, 2940, 12069, 49935, 207691, 867900, 3640429, 15319395, 64643580, 273431408, 1158988141, 4921651521, 20934115963, 89173404140, 380355072153, 1624282578215, 6943928981859, 29715239620368, 127276313406125, 545605497876400, 2340694589348376, 10...	[ "nonn" ]
A240654	[ 1, 10, 136, 1545, 16629, 184819, 2076117, 23697768, 272201307, 3137010024, 36217287513, 418547014847, 4839698233313, 55979951123885, 647628362479276, 7493125930415564, 86701026167433660, 1003225793066345300 ]	[ "nonn" ]
A114561	[ 0, 1, 4, 256, 1.3407807929942597e+154 ]	[ "nonn" ]
A378762	[ 1, 2, 3, 6, 5, 4, 9, 10, 7, 8, 15, 14, 13, 12, 11, 20, 21, 18, 19, 16, 17, 28, 27, 26, 25, 24, 23, 22, 35, 36, 33, 34, 31, 32, 29, 30, 45, 44, 43, 42, 41, 40, 39, 38, 37, 54, 55, 52, 53, 50, 51, 48, 49, 46, 4...	[ "nonn", "tabf" ]
A237111	[ 1, 7, -1, 62, -13, 2, 381, -71, -19, 22, -3, 5110, -919, -336, 237, 127, -83, 10, 2828954, -503904, -159287, 122523, -40247, 86901, -33863, 8718, -27635, 12842, -1382, 3440220, -611266, -185150, 146256, -62274, 88137, -37290, 22027, 16696, ...	[ "sign", "frac", "tabl" ]
A295650	[ 44, 1003, 26037, 657178, 16755140, 426233396, 10849299317, 276124405949, 7027872154812, 178870512276276, 4552553669535873, 115870021540770050, 2949084374981071400, 75059088399416460000, 1.91037832448975e+21 ]	[ "nonn" ]
A078973	[ 2, 6, 36, 420, 9800, 452760, 41835024, 7691667984, 2828336198688, 2073619375892064, 3040584296923128300, 8.898500292240756e+21, 5.208427046810519e+25, 6.088123090503463e+29 ]	[ "nonn" ]
A044960	[ 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 24, 36, 48, 60, 72, 84, 96, 108, 120, 121, 122, 132, 133, 134, 135, 136, 137, 138, 139, 140, 141, 142, 144, 145, 155, 157, 166, 169, 177, 181, 188, 193, 199, 205, 210, 217, 221, 229, ...	[ "nonn", "base" ]
A194078	[ 1, 3, 2, 5, 4, 8, 6, 7, 12, 9, 11, 17, 13, 16, 23, 18, 10, 22, 30, 24, 14, 29, 38, 31, 19, 37, 47, 39, 25, 46, 57, 48, 32, 15, 56, 68, 58, 40, 20, 67, 69, 49, 26, 59, 33, 70, 41, 50, 21, 60, 27, 71, 34, 42, 5...	[ "nonn" ]
A315669	[ 1, 6, 12, 17, 21, 25, 29, 34, 40, 46, 52, 58, 63, 67, 71, 75, 80, 86, 92, 98, 104, 109, 113, 117, 121, 126, 132, 138, 144, 150, 155, 159, 163, 167, 172, 178, 184, 190, 196, 201, 205, 209, 213, 218, 224, 230, 236, 242, 24...	[ "nonn" ]
A182809	[ 0, 75025, 6557470319842, 14472334024676220, 99194853094755500 ]	[ "nonn", "base", "hard", "more" ]
A184752	[ 0, 0, 16, 13, 26, 26, 18, 40, 43, 40, 48, 41, 60, 64, 66, 65, 74, 74, 64, 86, 97, 96, 99, 100, 106, 112, 115, 110, 123, 120, 122, 129, 146, 143, 152, 144, 163, 160, 169, 170, 170, 173, 168, 178, 184, 186, 185, 183, 202, ...	[ "nonn" ]
A007657	[ 1, 2, 6, 36, 270, 2520, 28560, 361200, 5481000, 88565400, 1654052400, 32885455680, 721400359680, 17024709461760, 429108154675200, 11721695953968000, 333806974560259200, 10358856500289898000, 331148326165228100000, 1.1429645706428485e+22, 4.0764114101472034e+23 ]	[ "nonn" ]
A383728	[ 3135, 6279, 8855, 9405, 10695, 11571, 15675, 16095, 17255, 17391, 18837, 20615, 20735, 26691, 28083, 28215, 31031, 32085, 34485, 34713, 36519, 41151, 41615, 43953, 44275, 45695, 46655, 47025, 47859, 48285, 48495, 50439, 52173, 53475, 54131, 56511...	[ "nonn" ]
A374581	[ 15, 819, 19635, 15225, 69597, 466785, 911547, 179645, 533715, 4165161, 2072385, 8947437, 12491175, 1133055, 22621131, 29539125, 4214903, 48002745, 11990775, 24669567, 90400695, 109375617, 43730505, 6244749, 184439871, 24049985, 252455907, 292777485, 22516425, ...	[ "nonn", "frac" ]
A109347	[ 2, 1, 49, 17, 1441, 19, 37969, 353, 19729, 421, 24325489, 481, 609554401, 10039, 216001, 198593, 381405156481, 12979, 9536162033329, 288961, 18306583, 6125659, 5960417405949649, 346561, 103408180634401, 152787181, 3853528045489, 179655841, 93132223146359180000...	[ "nonn" ]
A371827	[ 1, 2, 6, 23, 94, 392, 1680, 7387, 33110, 150905, 698996, 3287550, 15685420, 75877427, 371994692, 1847450970, 9290557158, 47291312897, 243574276884, 1268915237141, 6683909556420, 35585631836229, 191433293140656, 1040197718292138, 5707318227692796 ]	[ "nonn" ]
A325607	[ 10199370, 13125369, 13458288, 21374352, 22339875, 29634813, 39738060, 32719728, 42182412, 47211294, 51258282, 53418859, 43209969, 55756413, 48330114, 49362234, 62965329, 52850433, 72584082, 73167345, 73891893, 71088744, 61716444, 66526029, 69342999, 80514873, 7112...	[ "nonn" ]
A102916	[ 1, 1, 2, 1, 4, 3, 3, 8, 9, 4, 7, 40, 27, 16, 5, 36, 152, 189, 64, 25, 6, 139, 1128, 999, 576, 125, 36, 7, 1036, 6200, 9720, 3904, 1375, 216, 49, 8, 5711, 61120, 69687, 47040, 11375, 2808, 343, 64, 9, 56355, 442552, 857466,...	[ "nonn", "tabl" ]
A099324	[ 1, 0, -1, 3, -8, 22, -64, 196, -625, 2055, -6917, 23713, -82499, 290511, -1033411, 3707851, -13402696, 48760366, -178405156, 656043856, -2423307046, 8987427466, -33453694486, 124936258126, -467995871776, 1757900019100, -6619846420552, 24987199492704, -94520750...	[ "easy", "sign" ]
A191722	[ 1, 5, 2, 15, 6, 3, 40, 16, 10, 4, 101, 41, 26, 11, 7, 255, 105, 66, 30, 20, 8, 640, 265, 166, 76, 51, 21, 9, 1601, 665, 416, 191, 130, 55, 25, 12, 4005, 1665, 1041, 480, 326, 140, 65, 31, 13, 10015, 4165, 2605, 1201, 8...	[ "nonn", "tabl" ]

A211681

[ 2, 3, 5, 7, 23, 37, 53, 73, 237, 373, 537, 737, 2373, 3737, 5373, 7373, 23737, 37373, 53737, 73737, 237373, 373737, 537373, 737373, 2373737, 3737373, 5373737, 7373737, 23737373, 37373737, 53737373, 73737373, 237373737, 373737373, 537373737, 73737...

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

A370637

[ 0, 0, 0, 1, 2, 8, 25, 67, 134, 309, 709, 1579, 3420, 7240, 15077, 30997, 61994, 125364, 253712, 512411, 1032453, 2075737, 4166469, 8352851, 16731873, 33497422, 67038086, 134130344, 268328977, 536741608, 1073586022, 2147296425, 4294592850, 8589346462,...

[ "nonn" ]

A057089

[ 1, 6, 42, 288, 1980, 13608, 93528, 642816, 4418064, 30365280, 208700064, 1434392064, 9858552768, 67757668992, 465697330560, 3200729997312, 21998563967232, 151195763787264, 1039165966526976, 7142170381885440 ]

[ "nonn", "easy" ]

A276430

[ 1, 1, 1, 1, 2, 1, 2, 2, 1, 3, 3, 1, 5, 3, 2, 1, 6, 5, 3, 1, 7, 8, 4, 2, 1, 10, 10, 6, 3, 1, 13, 13, 9, 4, 2, 1, 16, 18, 12, 6, 3, 1, 22, 22, 16, 10, 4, 2, 1, 27, 29, 22, 13, 6, 3, 1, 33, 40, 28, 17,...

[ "nonn", "tabf" ]

A074896

[ 1, 4, 9, 18, 46, 52, 61, 63, 94, 121, 144, 148, 163, 169, 423, 441, 484, 487, 522, 526, 652, 675, 676, 691, 925, 927, 961, 982, 1042, 1062, 1089, 1251, 1273, 1297, 1405, 1426, 1656, 1674, 1828, 1843, 1861, 4032, 4069, 4072, 4201...

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

A206095

[ 2, 2, 17, 17, 83, 167, 167, 227, 398, 398, 5297, 64382, 69467, 116387, 214037, 214037, 430022, 5472953, 8062073, 8062073, 41941577, 86374763, 163520117, 163520117, 231912722, 231912722, 231912722, 545559467, 1728061733 ]

[ "nonn" ]

A269228

[ 1, 2, 7, 28, 122, 556, 2618, 12634, 62128, 310212, 1568495, 8014742, 41323641, 214719610, 1123244757, 5910863420, 31268459118, 166185855552, 886961294034, 4751819567488, 25545030878475, 137756210983218, 745003421378887, 4039670554117446, 21957581725458520 ]

[ "nonn" ]

A232564

[ 1, 2, 4, 3, 6, 11, 21, 5, 9, 17, 33, 8, 15, 29, 56, 7, 13, 25, 48, 12, 23, 44, 85, 22, 42, 81, 156, 41, 79, 152, 293, 10, 19, 37, 71, 18, 35, 67, 129, 34, 65, 125, 241, 64, 123, 237, 457, 16, 31, 60, 115, 30, 58,...

[ "nonn", "easy" ]

A272599

[ 38798760, 46966920, 52492440, 59219160, 63303240, 66186120, 68643960, 70750680, 75555480, 77597520, 80120040, 81124680, 83723640, 84444360, 85645560, 86551080, 87807720, 92520120, 93573480, 93933840, 95975880, 98138040, 102222120, 102287640, 104772360, 104984880, ...

[ "nonn" ]

A286316

[ 0, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 3, 4, 5, 6, 8, 9, 11, 13, 15, 17, 20, 22, 25, 28, 32, 35, 40, 44, 50, 56, 63, 70, 80, 89, 101, 113, 128, 143, 162, 181, 204, 228, 256, 285, 320, 355, 396, 439, 489, 540, 599, 660,...

[ "nonn" ]

A379404

[ 1, 2, 4, 3, 6, 19, 5, 8, 24, 46, 7, 12, 47, 78, 31, 9, 22, 65, 128, 77, 14, 10, 25, 72, 135, 93, 50, 91, 11, 27, 87, 154, 134, 92, 168, 239, 13, 29, 94, 197, 153, 183, 240, 337, 232, 15, 38, 97, 247, 196, 241, 400,...

[ "nonn", "tabl" ]

A258617

[ 0, 12, 64, 180, 384, 700, 1152, 1764, 2560, 3564, 4800, 6292, 8064, 10140, 12544, 15300, 18432, 21964, 25920, 30324, 35200, 40572, 46464, 52900, 59904, 67500, 75712, 84564, 94080, 104284, 115200, 126852, 139264, 152460, 166464, 181300, 196992, ...

[ "nonn", "easy" ]

A142634

[ 47, 157, 487, 1367, 1697, 2027, 2137, 2357, 2467, 2687, 2797, 3347, 3457, 3677, 4007, 4337, 4447, 5107, 5437, 5657, 5987, 6317, 6427, 6977, 7307, 7417, 8297, 8627, 8737, 9067, 9397, 10607, 10937, 11047, 11597, 11927, 12037, 12697, 12917, ...

[ "nonn", "easy" ]

A373392

[ 1, 0, 0, 1, -2, 3, -4, 7, -18, 51, -136, 339, -814, 1935, -4620, 11111, -26842, 64923, -156944, 379067, -915078, 2208711, -5331476, 12870639, -31072754, 75018195, -181113240, 437248771, -1055610782, 2548462143, -6152518684, 14853483127, -35859484938, ...

[ "sign", "easy" ]

A196981

[ 9, 803, 31386, 1272373, 53216978, 2188092870, 90401915964, 3740738215983, 154705956361411, 6393070820268590, 264219149718966460, 10923404535101323000, 451574917966470450000, 1.8666476210321258e+22 ]

[ "nonn" ]

A379721

[ 1, 2, 3, 5, 7, 9, 11, 13, 15, 17, 19, 21, 23, 25, 27, 29, 30, 31, 33, 35, 37, 39, 41, 42, 43, 45, 47, 49, 50, 51, 53, 54, 55, 57, 59, 61, 63, 65, 66, 67, 69, 70, 71, 73, 75, 77, 78, 79, 81, 83, 84, 85, 87, 89, ...

[ "nonn" ]

A240892

[ 32, 1216, 38981, 1255585, 40424861, 1302610899, 41971040844, 1352138182759, 43565815810587, 1403705064843757, 45228360174728350, 1457291782946371300, 46955159811511460000, 1.5129358508299515e+21, 4.874813354391184e+22 ]

[ "nonn" ]

A136899

[ 0, 2, 5, 20, 45, 50, 52, 200, 205, 450, 455, 500, 502, 505, 520, 745, 755, 2000, 2005, 2050, 2245, 4500, 4550, 4552, 5000, 5002, 5005, 5020, 5045, 5050, 5052, 5200, 7450, 7455, 7550, 20000, 20005, 20050, 20500, 20505, 22450, 22455, ...

[ "base", "nonn" ]

A088624

[ 2, 1, 4, 13, 10, 19, 40, 33, 56, 58, 54, 87, 75, 82, 106, 94, 136, 125, 145, 148, 207, 174, 201, 182, 210, 187, 251, 259, 230, 284, 238, 313, 312, 346, 320, 329, 338, 373, 433, 386, 424, 375, 392, 503, 449, 475, 495, 493, ...

[ "base", "nonn" ]

A170448

[ 1, 7, 42, 252, 1512, 9072, 54432, 326592, 1959552, 11757312, 70543872, 423263232, 2539579392, 15237476352, 91424858112, 548549148672, 3291294892032, 19747769352192, 118486616113152, 710919696678912, 4265518180073472 ]

[ "nonn" ]

A213988

[ 3, 126, 28328, 29365738, 124477495732 ]

[ "nonn" ]

A183899

[ 1, 5, 66, 174, 329, 539, 815, 1169, 1614, 2164, 2834, 3640, 4599, 5729, 7049, 8579, 10340, 12354, 14644, 17234, 20149, 23415, 27059, 31109, 35594, 40544, 45990, 51964, 58499, 65629, 73389, 81815, 90944, 100814, 111464, 122934, 135265, 148499,...

[ "nonn" ]

A091996

[ 1, 2, 4, 7, 8, 11, 22, 32, 50, 55, 80, 106, 155, 172, 208, 235, 391, 436, 470, 776, 1558, 1675, 2795, 2908, 2947, 3970, 4004, 5774, 6248, 11278, 11824, 17824, 41708, 51530, 92500, 137930, 192122, 242488, 251947, 414355 ]

[ "nonn" ]

A181923

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

[ "nonn" ]

A084828

[ 1, 2, 13, 32, 68 ]

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

A063384

[ 7, 17, 117, 913, 1183, 1391, 13107, 51257, 151257, 381397, 577661, 4911789, 29116879, 112646989, 536920981, 1928258999, 11928258999, 25227472837, 46275452231, 212892173679, 370964057893, 1859199550327, 5593332415439 ]

[ "base", "nonn" ]

A327732

[ 17, 388, 428, 460, 461, 500, 595, 607, 840, 962, 963, 1058, 1253, 1743, 1798, 1810, 1815, 1843, 1932, 1975, 2059, 2060, 2368, 2526, 2558, 2857, 2900, 3419, 3430, 3519, 3906, 4174, 4175, 4314, 4422, 4493, 4498, 4527, 4547, 4570, 4684, ...

[ "nonn", "base" ]

A167003

[ 1, 1, -4, -4, -8220, -16910960, -220513689396, -19336259194582784, -1.2353453824556774e+22, -6.081775463060575e+28, -2.3851175411323168e+36 ]

[ "sign" ]

A174645

[ 0, 0, 0, 0, 0, 0, 0, 0, 16, 170, 920, 3512, 10896, 29020, 68550, 147240, 292996, 547590, 970996, 1646446, 2686212, 4238086, 6492580, 9690846, 14133316, 20189062, 28305876, 39021070, 52972996, 70913286, 93719812, 122410366, 158157060, 202301446, 256...

[ "nonn", "easy" ]

A005519

[ 1, 1, 2, 7, 26, 153, 1134, 11050, 128987, 1765252, 27418060 ]

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

A109377

[ 2, 5, 10, 17, 29, 51, 90, 158, 277, 486, 853, 1497, 2627, 4610, 8090, 14197, 24914, 43721, 76725, 134643, 236282, 414646, 727653, 1276942, 2240877, 3932465, 6900995, 12110402, 21252274, 37295141, 65448410, 114853953, 201554637, 353703731, 620706778...

[ "nonn", "easy" ]

A052546

[ 1, 0, 1, 3, 2, 7, 13, 18, 41, 71, 122, 239, 421, 762, 1417, 2543, 4642, 8495, 15389, 28082, 51177, 93047, 169610, 308847, 562197, 1024170, 1864841, 3395711, 6184498, 11261551, 20507789, 37346914, 68008809, 123848199, 225535258 ]

[ "easy", "nonn" ]

A336949

[ 1, 2, 14, 195, 4440, 147745, 6698448, 394852577, 29250137472, 2652483234033, 288363456748800, 36952298766628460, 5504130616452259000, 941845623036360900000, 1.8329811072315646e+23, 4.022161239463023e+25, 9.876429434585098e+27 ]

[ "nonn" ]

A088724

[ 6, 18, 20, 40, 54, 56, 66, 78, 80, 100, 102, 110, 112, 114, 138, 140, 160, 162, 174, 182, 186, 198, 200, 222, 224, 234, 246, 258, 260, 272, 282, 318, 320, 340, 354, 364, 366, 392, 400, 402, 414, 426, 438, 448, 460, 474, 486,...

[ "nonn" ]

A271744

[ 30, 59, 139, 365, 1039, 3149, 10039, 33365, 114799, 406589, 1475239, 5460965, 20550559, 78375629, 302129239, 1174610165, 4597146319, 18085554269, 71434828039, 283020552965, 1123932750079, 4471296246509, 17811907987639, 71027855481365, 283452201569839 ]

[ "nonn", "easy" ]

A190296

[ 1, 2, 3, 4, 5, 6, 7, 8, 9, 11, 15, 20, 22, 24, 33, 40, 42, 44, 48, 51, 55, 60, 66, 77, 80, 84, 88, 99, 102, 108, 111, 114, 117, 120, 126, 132, 135, 144, 150, 153, 156, 162, 171, 180, 192, 195, 198, 201, 204, 207, 210...

[ "nonn", "base" ]

A287056

[ -1, -1, -1, -1, -1, 1, 1, -1, 1, 1, 1, 1, 1, 0, -1, 1, 1, 1, 1, 1, 1, -1, 2, 2, 1, -1, 1, 1, 1, 1, 1, 1, 1, 1, 1, -1, 2, 2, 2, -1, 3, 3, 3, 3, -1, 4, 4, -1, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, ...

[ "sign" ]

A026678

[ 1, 1, 4, 5, 17, 23, 73, 103, 314, 455, 1350, 1993, 5798, 8679, 24872, 37633, 106573, 162643, 456169, 701075, 1950697, 3015563, 8334539, 12948083, 35582783, 55513327, 151809737, 237705547, 647279131, 1016736115, 2758310121 ]

[ "nonn" ]

A171557

[ 1, 3, -9, -81, -243, -1215, -5103, -15309, -59049, -216513, -649539, -2302911, -7971615, -23914845, -81310473, -272629233, -817887699, -2711943423, -8910671247, -26732013741, -87169610025, -282429536481, -847288609443 ]

[ "easy", "sign" ]

A033927

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

[ "nonn", "base" ]

A316521

[ 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 13, 14, 15, 16, 17, 19, 21, 22, 23, 25, 26, 27, 29, 30, 31, 32, 33, 34, 35, 38, 39, 41, 42, 43, 46, 47, 49, 51, 53, 55, 57, 58, 59, 62, 64, 65, 66, 67, 69, 70, 73, 77, 78, 7...

[ "nonn" ]

A321037

[ 7752, 942172, 69858360, 4110110550, 211675627240, 10018481786544, 448004505210535, 19256258184412310, 804574034878107600, 32931600573236530000, 1.3276215913999832e+21, 5.292452708567462e+22, 2.0922678824287827e+24, 8.220420390681182e+25 ]

[ "nonn" ]

A161730

[ 72927, 76167, 434434, 868868, 1226221, 4778774, 5703075, 8755578, 9386839, 13488431, 43877834, 123848321, 564414465, 777555777, 1072772701, 1946776491, 9935115399, 12467976421, 52854045825, 74663436647, 83361616338, 95829592859 ]

[ "base", "nonn" ]

A067357

[ 1, 1, 2, 2, 2, 3, 4, 4, 5, 6, 6, 8, 10, 10, 12, 14, 15, 18, 20, 22, 26, 29, 32, 36, 40, 44, 50, 56, 60, 68, 76, 82, 92, 101, 110, 122, 134, 146, 160, 176, 191, 210, 230, 248, 272, 296, 320, 350, 380, 410, 446, 484,...

[ "easy", "nonn" ]

A380611

[ 1, 1, 3, 1, 10, 16, 1, 35, 135, 40, 45, 1, 126, 896, 875, 756, 375, 96, 1, 462, 5250, 10206, 8400, 2450, 14336, 2800, 875, 1701, 175, 1, 1716, 28512, 90552, 74250, 65856, 257250, 48000, 74088, 55566, 102900, 8100, 10976, 5488, 288...

[ "nonn", "tabf" ]

A003189

[ 1, 1, 1, 2, 6, 156, 7013488, 29288387523484990, 2.3443174553404893e+32 ]

[ "dead" ]

A241610

[ 35, 105, 315, 889, 2567, 7483, 21631, 62547, 181255, 524877, 1519408, 4399720, 12740155, 36888358, 106810847, 309276700, 895517750, 2592992001, 7508089778, 21739889599, 62948442860, 182269006155, 527765093824, 1528158677522 ]

[ "nonn" ]

A261985

[ 0, 1, 1, 3, 2, 4, 3, 6, 5, 8, 6, 14, 11, 11, 8, 17, 18, 16, 13, 32, 25, 27, 19, 39, 32, 39, 35, 58, 40, 47, 32, 61, 47, 65, 41, 93, 58, 67, 54, 95, 73, 80, 89, 130, 109, 94, 87, 142, 110, 106, 102, 203, 129, 13...

[ "nonn", "easy" ]

A272030

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

[ "nonn", "cons" ]

A052902

[ 0, 0, 0, 0, 0, 18, 54, 0, 0, 0, 18, 36, 0, 0, 0, 0, 0, 0, 0, 54, 36, 18, 0, 0, 18, 90, 72, 36, 90, 18, 144, 18, 36, 54, 270, 0, 414, 450, 450, 36, 18, 630, 720, 54, 18, 720, 0, 0, 0, 0, 0, 54, 180, 270, 0, ...

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

A057340

[ 1, 2, 6, 12, 12, 12, 12, 24, 72, 60, 60, 72, 72, 72, 120, 240, 240, 180, 180, 360, 360, 360, 360, 720, 720, 720, 720, 720, 720, 720, 720, 720, 720, 720, 840, 2520, 2520, 2520, 2520, 1440, 1440, 2520, 2520, 2520, 2520, 2520, ...

[ "nonn" ]

A375373

[ 1, -2, 4, -4, 6, -4, 9, -4, 16, 0, 28, 16, 57, 58, 132, 172, 322, 476, 817, 1272, 2112, 3360, 5496, 8832, 14353, 23158, 37540, 60668, 98238, 158876, 257145, 415988, 673168, 1089120, 1762324, 2851408, 4613769, 7465138, 12078948, 19544044, ...

[ "sign" ]

A258219

[ 1, 1, 1, 1, 2, 4, 1, 3, 10, 25, 1, 4, 18, 74, 208, 1, 5, 28, 153, 706, 2146, 1, 6, 40, 268, 1638, 8162, 26368, 1, 7, 54, 425, 3172, 20898, 110410, 375733, 1, 8, 70, 630, 5500, 44164, 307908, 1708394, 6092032, 1, 9, 88, 8...

[ "nonn", "tabl" ]

A071424

[ 1, 2, 3, 5, 8, 11, 15, 20, 26, 33, 41, 50, 60, 71, 84, 98, 113, 129, 147, 166, 186, 208, 231, 255, 281, 308, 337, 367, 398, 431, 465, 501, 538, 577, 618, 660, 704, 749, 796, 844, 894, 946, 999, 1054, 1111, 1169, 1229, 1291...

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

A249064

[ 1, 2, 3, 5, 4, 7, 9, 11, 13, 8, 17, 19, 23, 25, 29, 31, 21, 37, 16, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, 97, 101, 103, 107, 22, 109, 113, 27, 35, 127, 131, 137, 139, 149, 151, 157, 163, 167, 169, 173, 17...

[ "nonn" ]

A061051

[ 0, 225, 40401, 2042041, 317231721, 16198161984, 3921203921209, 400000040000001, 23391004233910040, 1100298301100298200, 141162631214116260000, 1.3223140496132232e+21, 3.171326702963171e+24, 1.0778698318861078e+26, 2.9726516052320296e+28, 1.003781781031081e+30 ]

[ "base", "nonn" ]

A160979

[ 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 2, 1, 2, 1, 2, 1, 2, 3, 3, 3, 5, 4, 5, 6, 6, 6, 10, 8, 9, 11, 12, 11, 14, 13, 15, 19, 17, 18, 22, 21, 23, 25, 25, 26, 33, 31, 34, 37, 39, 40, ...

[ "nonn" ]

A040495

[ 22, 1, 3, 6, 3, 1, 44, 1, 3, 6, 3, 1, 44, 1, 3, 6, 3, 1, 44, 1, 3, 6, 3, 1, 44, 1, 3, 6, 3, 1, 44, 1, 3, 6, 3, 1, 44, 1, 3, 6, 3, 1, 44, 1, 3, 6, 3, 1, 44, 1, 3, 6, 3, 1, 44, 1, 3, 6, 3, 1, 44, ...

[ "nonn", "cofr", "easy", "less" ]

A024442

[ 1, 28, 518, 7988, 111279, 1454376, 18208156, 221140696, 2626932077, 30692791844, 354119115714, 4046102802924, 45880411771195, 517157095113232, 5801772397167992, 64842434348911470, 722511991410929400 ]

[ "nonn" ]

A125673

[ 1, 3, 15, 57, 231, 853, 3131, 11007 ]

[ "nonn" ]

A080610

[ 0, 1, 4, 5, 20, 21, 84, 85, 340, 341, 1364, 1365, 5460, 5461, 21844, 21845, 87380, 87381, 349524, 349525, 1398100, 1398101, 5592404, 5592405, 22369620, 22369621, 89478484, 89478485, 357913940, 357913941, 1431655764, 1431655765, 5726623060 ]

[ "nonn", "easy" ]

A016084

[ 5, 10, 11, 13, 17, 25, 32, 37, 38, 40, 44, 52, 59, 64, 65, 67, 71, 79, 86, 91, 92, 94, 98, 106, 113, 118, 119, 121, 125, 133, 140, 145, 146, 148, 152, 160, 167, 172, 173, 175, 179, 187, 194, 199, 200, 202, 206, 214, 221,...

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

A312142

[ 1, 4, 8, 13, 18, 23, 28, 33, 37, 40, 45, 48, 53, 58, 64, 69, 74, 79, 83, 84, 90, 92, 98, 103, 109, 115, 120, 125, 129, 129, 135, 136, 143, 148, 154, 160, 166, 171, 175, 174, 181, 180, 188, 193, 199, 205, 211, 217, 221, ...

[ "nonn" ]

A198851

[ 2, 23, 191, 1535, 12287, 98303, 786431, 6291455, 50331647, 402653183, 3221225471, 25769803775, 206158430207, 1649267441663, 13194139533311, 105553116266495, 844424930131967, 6755399441055743, 54043195528445950 ]

[ "nonn", "easy" ]

A170973

[ 1, 1, 0, 0, 0, 1, 1, 0, 0, 1, 1, 0, 0, 1, 2, 1, 0, 1, 2, 1, 0, 1, 3, 2, 0, 1, 3, 3, 1, 1, 4, 4, 1, 1, 4, 5, 2, 1, 5, 7, 3, 0, 4, 8, 5, 1, 4, 9, 6, 1, 3, 10, 9, 2, 3, 10, 10, 3, 2, 10, 13, 5, 2...

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

A331797

[ 0, 1, 5, 28, 183, 1401, 12466, 127443, 1478581, 19239274, 277797577, 4409962349, 76355817104, 1432117088325, 28925947345561, 625973017346996, 14449435509751844, 354384392492622800, 9202836581079864000, 252260861877820750000, 7.27871002068273e+21 ]

[ "nonn" ]

A004177

[ 0, 1, 0, 3, 4, 5, 6, 7, 8, 9, 10, 11, 1, 13, 14, 15, 16, 17, 18, 19, 0, 1, 0, 3, 4, 5, 6, 7, 8, 9, 30, 31, 3, 33, 34, 35, 36, 37, 38, 39, 40, 41, 4, 43, 44, 45, 46, 47, 48, 49, 50, 51, 5, 53, 54, 55, 56, ...

[ "nonn", "base", "look" ]

A353833

[ 1, 2, 3, 4, 5, 7, 8, 9, 11, 12, 13, 16, 17, 19, 23, 25, 27, 29, 31, 32, 37, 40, 41, 43, 47, 49, 53, 59, 61, 63, 64, 67, 71, 73, 79, 81, 83, 89, 97, 101, 103, 107, 109, 112, 113, 121, 125, 127, 128, 131, 137, 139, ...

[ "nonn" ]

A032295

[ 4, 6, 16, 45, 132, 404, 1296, 4380, 15064, 53622, 192696, 703895, 2589300, 9606744, 35824088, 134297280, 505421340, 1909194056, 7234153416, 27489073899, 104717489748, 399827555604, 1529763696816 ]

[ "nonn" ]

A371572

[ 0, 1, 1, 1, 2, 1, 1, 3, 1, 2, 1, 2, 3, 1, 1, 4, 1, 3, 1, 3, 4, 1, 2, 1, 2, 4, 1, 2, 3, 1, 2, 3, 4, 1, 1, 5, 1, 4, 1, 4, 5, 1, 3, 1, 3, 5, 1, 3, 4, 1, 3, 4, 5, 1, 2, 1, 2, 5, 1, 2, 4, 1, 2, 4...

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

A182358

[ 2, 3, 5, 7, 11, 12, 13, 17, 18, 19, 20, 23, 28, 29, 31, 32, 37, 41, 43, 44, 45, 47, 48, 50, 52, 53, 59, 61, 63, 67, 68, 71, 73, 75, 76, 79, 80, 83, 89, 92, 97, 98, 99, 101, 103, 107, 109, 112, 113, 116, 117, 124, ...

[ "nonn", "easy" ]

A173214

[ 0, 0, 0, 0, 2, 112, 1754, 13074, 63400, 234014, 712248, 1882132, 4457246, 9679760, 19584514, 37367934, 67849336, 118085614, 198107620, 321870956, 508359070, 782972820, 1179105738, 1740089734, 2521359260, 3593085246, 5043058972 ]

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

A369679

[ 2, 20, 1190, 449540, 1094267450, 17283181758500, 1774660248586903000, 1.1825790465087661e+24, 5.13458137681948e+30, 1.4454789042324853e+38, 2.65277205249805e+46, 3.157474585336374e+55 ]

[ "nonn" ]

A032215

[ 1, 2, 1, 3, 3, 4, 6, 7, 9, 11, 19, 21, 30, 38, 50, 83, 101, 137, 183, 249, 310, 524, 618, 871, 1125, 1543, 1959, 2621, 3934, 4890, 6582, 8639, 11417, 14765, 19499, 24509, 36486, 44424, 59698, 76235, 101481, 127807, 168747, 212221,...

[ "nonn" ]

A046959

[ 0, 1, 2, 8, 14, 33, 322, 366, 699, 1409, 2119, 2829, 3539, 4249, 4959, 5669, 6379, 7089, 7799, 8509, 9219, 9929, 10639, 11349, 12059, 12769, 13479, 14189, 14899, 15609, 16319, 17029, 17739, 18449, 19159, 19869, 20579, 21289, 21999, 22709,...

[ "nonn" ]

A028486

[ 1, 1364, 6323504, 35269184041, 207171729355756, 1240837214254999800, 7.491895591984935e+21, 4.539012255303955e+25, 2.7540862421947507e+29, 1.6721505953203357e+33, 1.015538244151804e+37 ]

[ "nonn" ]

A162217

[ 1, 1, 1, 2, 2, 3, 5, 5, 5, 6, 6, 6, 8, 8, 7, 7, 9, 9, 10, 10, 9, 9, 10, 10, 10, 12, 14, 14, 13, 13, 14, 14, 15, 16, 16, 16, 16, 18, 18, 18, 18, 18, 18, 18, 18, 19, 19, 20, 22, 22, 24, 24, 26, 26, 25, 26, ...

[ "base", "nonn" ]

A020998

[ 1, 7, 165, 227, 278, 322, 323, 385, 414, 433, 439, 634, 860, 964, 1045, 1268 ]

[ "nonn", "base" ]

A365314

[ 0, 0, 1, 3, 6, 8, 14, 14, 23, 24, 33, 28, 52, 36, 55, 58, 73, 53, 95, 62, 110, 94, 105, 81, 165, 105, 133, 132, 176, 112, 225, 123, 210, 174, 192, 186, 306, 157, 223, 218, 328, 180, 354, 192, 324, 315, 288, 216, 474, 2...

[ "nonn" ]

A026559

[ 1, 3, 12, 45, 180, 721, 2940, 12069, 49935, 207691, 867900, 3640429, 15319395, 64643580, 273431408, 1158988141, 4921651521, 20934115963, 89173404140, 380355072153, 1624282578215, 6943928981859, 29715239620368, 127276313406125, 545605497876400, 2340694589348376, 10...

[ "nonn" ]

A240654

[ 1, 10, 136, 1545, 16629, 184819, 2076117, 23697768, 272201307, 3137010024, 36217287513, 418547014847, 4839698233313, 55979951123885, 647628362479276, 7493125930415564, 86701026167433660, 1003225793066345300 ]

[ "nonn" ]

A114561

[ 0, 1, 4, 256, 1.3407807929942597e+154 ]

[ "nonn" ]

A378762

[ 1, 2, 3, 6, 5, 4, 9, 10, 7, 8, 15, 14, 13, 12, 11, 20, 21, 18, 19, 16, 17, 28, 27, 26, 25, 24, 23, 22, 35, 36, 33, 34, 31, 32, 29, 30, 45, 44, 43, 42, 41, 40, 39, 38, 37, 54, 55, 52, 53, 50, 51, 48, 49, 46, 4...

[ "nonn", "tabf" ]

A237111

[ 1, 7, -1, 62, -13, 2, 381, -71, -19, 22, -3, 5110, -919, -336, 237, 127, -83, 10, 2828954, -503904, -159287, 122523, -40247, 86901, -33863, 8718, -27635, 12842, -1382, 3440220, -611266, -185150, 146256, -62274, 88137, -37290, 22027, 16696, ...

[ "sign", "frac", "tabl" ]

A295650

[ 44, 1003, 26037, 657178, 16755140, 426233396, 10849299317, 276124405949, 7027872154812, 178870512276276, 4552553669535873, 115870021540770050, 2949084374981071400, 75059088399416460000, 1.91037832448975e+21 ]

[ "nonn" ]

A078973

[ 2, 6, 36, 420, 9800, 452760, 41835024, 7691667984, 2828336198688, 2073619375892064, 3040584296923128300, 8.898500292240756e+21, 5.208427046810519e+25, 6.088123090503463e+29 ]

[ "nonn" ]

A044960

[ 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 24, 36, 48, 60, 72, 84, 96, 108, 120, 121, 122, 132, 133, 134, 135, 136, 137, 138, 139, 140, 141, 142, 144, 145, 155, 157, 166, 169, 177, 181, 188, 193, 199, 205, 210, 217, 221, 229, ...

[ "nonn", "base" ]

A194078

[ 1, 3, 2, 5, 4, 8, 6, 7, 12, 9, 11, 17, 13, 16, 23, 18, 10, 22, 30, 24, 14, 29, 38, 31, 19, 37, 47, 39, 25, 46, 57, 48, 32, 15, 56, 68, 58, 40, 20, 67, 69, 49, 26, 59, 33, 70, 41, 50, 21, 60, 27, 71, 34, 42, 5...

[ "nonn" ]

A315669

[ 1, 6, 12, 17, 21, 25, 29, 34, 40, 46, 52, 58, 63, 67, 71, 75, 80, 86, 92, 98, 104, 109, 113, 117, 121, 126, 132, 138, 144, 150, 155, 159, 163, 167, 172, 178, 184, 190, 196, 201, 205, 209, 213, 218, 224, 230, 236, 242, 24...

[ "nonn" ]

A182809

[ 0, 75025, 6557470319842, 14472334024676220, 99194853094755500 ]

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

A184752

[ 0, 0, 16, 13, 26, 26, 18, 40, 43, 40, 48, 41, 60, 64, 66, 65, 74, 74, 64, 86, 97, 96, 99, 100, 106, 112, 115, 110, 123, 120, 122, 129, 146, 143, 152, 144, 163, 160, 169, 170, 170, 173, 168, 178, 184, 186, 185, 183, 202, ...

[ "nonn" ]

A007657

[ 1, 2, 6, 36, 270, 2520, 28560, 361200, 5481000, 88565400, 1654052400, 32885455680, 721400359680, 17024709461760, 429108154675200, 11721695953968000, 333806974560259200, 10358856500289898000, 331148326165228100000, 1.1429645706428485e+22, 4.0764114101472034e+23 ]

[ "nonn" ]

A383728

[ 3135, 6279, 8855, 9405, 10695, 11571, 15675, 16095, 17255, 17391, 18837, 20615, 20735, 26691, 28083, 28215, 31031, 32085, 34485, 34713, 36519, 41151, 41615, 43953, 44275, 45695, 46655, 47025, 47859, 48285, 48495, 50439, 52173, 53475, 54131, 56511...

[ "nonn" ]

A374581

[ 15, 819, 19635, 15225, 69597, 466785, 911547, 179645, 533715, 4165161, 2072385, 8947437, 12491175, 1133055, 22621131, 29539125, 4214903, 48002745, 11990775, 24669567, 90400695, 109375617, 43730505, 6244749, 184439871, 24049985, 252455907, 292777485, 22516425, ...

[ "nonn", "frac" ]

A109347

[ 2, 1, 49, 17, 1441, 19, 37969, 353, 19729, 421, 24325489, 481, 609554401, 10039, 216001, 198593, 381405156481, 12979, 9536162033329, 288961, 18306583, 6125659, 5960417405949649, 346561, 103408180634401, 152787181, 3853528045489, 179655841, 93132223146359180000...

[ "nonn" ]

A371827

[ 1, 2, 6, 23, 94, 392, 1680, 7387, 33110, 150905, 698996, 3287550, 15685420, 75877427, 371994692, 1847450970, 9290557158, 47291312897, 243574276884, 1268915237141, 6683909556420, 35585631836229, 191433293140656, 1040197718292138, 5707318227692796 ]

[ "nonn" ]

A325607

[ 10199370, 13125369, 13458288, 21374352, 22339875, 29634813, 39738060, 32719728, 42182412, 47211294, 51258282, 53418859, 43209969, 55756413, 48330114, 49362234, 62965329, 52850433, 72584082, 73167345, 73891893, 71088744, 61716444, 66526029, 69342999, 80514873, 7112...

[ "nonn" ]

A102916

[ 1, 1, 2, 1, 4, 3, 3, 8, 9, 4, 7, 40, 27, 16, 5, 36, 152, 189, 64, 25, 6, 139, 1128, 999, 576, 125, 36, 7, 1036, 6200, 9720, 3904, 1375, 216, 49, 8, 5711, 61120, 69687, 47040, 11375, 2808, 343, 64, 9, 56355, 442552, 857466,...

[ "nonn", "tabl" ]

A099324

[ 1, 0, -1, 3, -8, 22, -64, 196, -625, 2055, -6917, 23713, -82499, 290511, -1033411, 3707851, -13402696, 48760366, -178405156, 656043856, -2423307046, 8987427466, -33453694486, 124936258126, -467995871776, 1757900019100, -6619846420552, 24987199492704, -94520750...

[ "easy", "sign" ]

A191722

[ 1, 5, 2, 15, 6, 3, 40, 16, 10, 4, 101, 41, 26, 11, 7, 255, 105, 66, 30, 20, 8, 640, 265, 166, 76, 51, 21, 9, 1601, 665, 416, 191, 130, 55, 25, 12, 4005, 1665, 1041, 480, 326, 140, 65, 31, 13, 10015, 4165, 2605, 1201, 8...

[ "nonn", "tabl" ]