id
stringlengths
7
11
seq
listlengths
1
347
keywords
listlengths
1
8
A376249
[ 12, 18, 20, 28, 44, 45, 50, 52, 60, 63, 68, 72, 75, 76, 84, 90, 92, 98, 99, 108, 116, 117, 124, 126, 132, 140, 147, 148, 150, 153, 156, 164, 171, 172, 175, 188, 198, 200, 204, 207, 212, 220, 228, 234, 236, 242, 244, 245, ...
[ "nonn", "easy" ]
A034319
[ 1, 0, 12, 28, 66, 132, 258, 468, 843, 1428, 2406, 3900, 6253, 9780, 15144, 22980, 34599, 51300, 75430, 109584, 158052, 225676, 320082, 450216, 629329, 873444, 1205514, 1653364, 2256087, 3061620, 4135280, 5557980, 7438170, 9910132 ]
[ "nonn" ]
A226579
[ 0, 6, 3, 2, 3, 5, 1, 5, 4, 3, 4, 6, 2, 6, 5, 4, 5, 7, 3, 7, 6, 5, 6, 8, 4, 8, 7, 6, 7, 9, 5, 9, 8, 7, 8, 10, 6, 10, 9, 8, 9, 11, 7, 11, 10, 9, 10, 12, 8, 12, 11, 10, 11, 13, 9, 13, 12, 11, 12, 14, ...
[ "nonn", "easy" ]
A327954
[ 1, 0, 2, 1, 1, 1, 2, 0, 1, 1, 2, 2, 1, 1, 1, 0, 3, 1, -1, 2, 6, -5, 4, 2, 2, -3, 4, 3, -5, 8, 0, 1, 2, -6, 8, 0, 3, 0, -2, 5, 0, 3, 0, 2, 5, -7, 4, 1, 7, -4, 1, 5, -4, 1, 6, -2, 6, -3, 0, 5, 1, ...
[ "sign" ]
A316353
[ 0, 1, 1, 1, 3, 4, 4, 5, 5, 14, 16, 19, 21, 24, 27, 30, 72, 84, 94, 108, 120, 136, 150, 169, 185, 427, 480, 540, 603, 674, 748, 831, 918, 1014, 1115, 1226, 2702, 3009, 3331, 3692, 4070, 4494, 4935, 5427, 5942, 6510, 7104, 7...
[ "nonn" ]
A157607
[ 1, -23, -108, 27071, 115452, -26283503, -334107828, 429767291407, 1819979438652, -753195762286673, -15947239121614548, 16134359976852888000, 204964136984698950000, -1.225376969398271e+23, -3.632221560088487e+24, 2.004484060713614e+28 ]
[ "sign", "frac" ]
A302687
[ 1, 2, 3, 41, 43, 129, 9567001, 21147541, 22662659, 23817877, 24837187, 28850377, 28872229, 37916473, 48749751, 70416307, 439229167, 834385607, 2270365163, 2278377431, 3751789547, 4433933101, 4810754611, 14432263833, 15632412757, 30530543651, 42441819717, 6559190...
[ "nonn", "base" ]
A196286
[ 17, 123, 728, 13533, 138924, 1306488, 13307143, 182868341, 2172296568, 23151489546, 259759374474, 2973891043730, 33893925587254, 389550320415853, 4527825351283814, 51569682047646200, 583253931896374800 ]
[ "nonn" ]
A328051
[ 20, 35, 42, 54, 140, 189, 195, 207, 209, 276, 378, 464, 470, 500, 506, 510, 527, 540, 608, 660, 672, 741, 846, 864, 875, 899, 923, 945, 989, 1029, 1120, 1276, 1316, 1323, 1334, 1349, 1365, 1519, 1539, 1564, 1595, 1715, 1725, 1736,...
[ "nonn" ]
A122050
[ 0, 1, 2, 1, 3, 11, 53, 317, 2216, 17717, 159400, 1593683, 17528297, 210321847, 2734024611, 38274750871, 574103734768, 9185449434441, 156149906360886, 2810660039745077, 53401966651421700, 1068030147578999400, 22428476949252630000, 493423682223518060000 ]
[ "nonn" ]
A104136
[ 3, 4, 5, 6, 6, 7, 7, 8, 8, 8, 9, 9, 10, 10, 10, 11, 11, 11, 11, 12, 12, 12, 13, 13, 13, 13, 14, 14, 14, 14, 14, 15, 15, 15, 15, 16, 16, 16, 16, 16, 17, 17, 17, 17, 17, 18, 18, 18, 18, 18, 18, 19, 19, 19, 19, ...
[ "nonn" ]
A060345
[ 5, 2875, 4876875, 8564575000, 15517926796875, 28663236110956000, 53621944306062205000, 1.0121623034580007e+23, 1.9232366640000352e+26, 3.672997320939822e+29, 7.042881649784547e+32, 1.3548424739512607e+36, 2.6132957025421927e+39 ]
[ "nonn", "easy" ]
A363254
[ 1, 3, 12, 93, 816, 9264, 122028, 1863849, 32001504, 614224272, 12989299596, 300599511744, 7550646317520, 204694926767040, 5955892801274796, 185160666502244450, 6125200081143893000, 214838236392631070000, 7.963817560398872e+21, 3.111014745133277e+23 ]
[ "nonn" ]
A236529
[ 5, 53, 5323, 53231, 532313, 5323139, 532313921, 5323139219, 532313921921, 53231392192123, 5323139219212343, 53231392192123430, 5323139219212343000, 53231392192123440000, 5.323139219212343e+21, 5.323139219212343e+23, 5.323139219212344e+25, 5.323139219212343e+27 ]
[ "nonn", "base" ]
A300211
[ 8, 128, 1651, 22194, 298600, 4023881, 54246856, 731384148, 9861234001, 132960046732, 1792718900628, 24171499455083, 325908051174738, 4394268763240974, 59248607955630410, 798858184228775800 ]
[ "nonn" ]
A281887
[ 0, 0, 241209, 13907664, 663476572, 29340232714, 1239784258612, 50762954675186, 2032908127837419, 80080573259154700, 3113883115269131300, 119819798899454540000, 4.5711132645523257e+21, 1.7313771948684397e+23 ]
[ "nonn" ]
A207676
[ 0, 1, 1, 2, 1, 2, 2, 1, 1, 2, 2, 1, 2, 1, 1, 0, 1, 2, 2, 1, 2, 1, 1, 2, 2, 1, 1, 2, 1, 2, 2, 1, 1, 2, 2, 1, 2, 1, 1, 2, 2, 1, 1, 2, 1, 2, 2, 1, 2, 1, 1, 0, 1, 2, 2, 1, 1, 2, 2, 1, 0, 1, 1, 2...
[ "nonn", "fini", "full" ]
A215823
[ 2, 7, 17, 23, 47, 71, 73, 79, 89, 137, 151, 167, 191, 193, 199, 257, 271, 353, 359, 409, 431, 433, 449, 569, 601, 719, 751, 809, 823, 857, 881, 887, 929, 953 ]
[ "nonn" ]
A247880
[ 2, 7, 25, 44, 75, 106, 584, 885, 1213, 1595, 2201, 2758, 3419, 4176, 66388, 84490, 106391, 131905, 162181, 196924, 236973, 282814, 348325, 409728, 478356, 573416, 662184, 759951, 868308, 987703, 33592007, 39176497, 45480263, 52570673, 60522786, 6...
[ "nonn", "base", "easy" ]
A292349
[ 7, 19, 23, 43, 71, 101 ]
[ "nonn", "base", "more", "hard" ]
A049989
[ 1, 3, 6, 10, 14, 21, 26, 33, 42, 51, 58, 72, 80, 91, 107, 120, 130, 150, 161, 178, 199, 215, 228, 255, 272, 290, 316, 338, 354, 389, 406, 429, 460, 483, 508, 549, 569, 594, 630, 663, 685, 731, 754, 785, 833, 863, 888, 940,...
[ "nonn" ]
A171347
[ 1, 560, 36879, 722932, 7480022, 48454798, 239373097, 934327957, 3114257783, 9073536285, 23946844853, 57617168530, 129765567556, 274042387485, 549715326612, 1053004311581 ]
[ "nonn" ]
A010468
[ 3, 3, 1, 6, 6, 2, 4, 7, 9, 0, 3, 5, 5, 3, 9, 9, 8, 4, 9, 1, 1, 4, 9, 3, 2, 7, 3, 6, 6, 7, 0, 6, 8, 6, 6, 8, 3, 9, 2, 7, 0, 8, 8, 5, 4, 5, 5, 8, 9, 3, 5, 3, 5, 9, 7, 0, 5, 8, 6, 8, 2, 1, 4, 6...
[ "nonn", "cons" ]
A051454
[ 2, 3, 7, 13, 61, 421, 29, 2521, 19, 89, 71, 1693, 232792561, 6659, 26771144401, 331, 101, 72201776446801, 1801, 173, 54941, 89, 442720643463713800000, 593, 5171, 239, 1222615931, 103, 7265496855919, 6562349363, 4447, 147099357127, 1931 ]
[ "nonn" ]
A322493
[ 15, 33, 91, 213, 213, 893, 893, 1343 ]
[ "nonn", "fini", "full" ]
A297320
[ 1, 1897, 85041, 1717882, 90535227, 4869858862, 197589351469, 8462603863772, 387143404127578, 17208423873690916, 757092974470971600, 33594816998930825000, 1.4918582610001404e+21, 6.6127149761814466e+22 ]
[ "nonn" ]
A242218
[ 511, 537, 1073, 1461, 1501, 1541, 1763, 2071, 2181, 2449, 4101, 4387, 4399, 4467, 4559, 4607, 4681, 4705, 5089, 5257, 5429, 6415, 6621, 6671, 7097, 7111, 7261, 7391, 7447, 7811, 7831, 7897, 7909, 7969, 8079, 8129, 8193, 8333, 8639, 8915, ...
[ "nonn" ]
A294197
[ 3, 8, 27, 120, 650, 4117, 30380, 255000, 2402333, 25086428, 287582999 ]
[ "nonn", "more" ]
A292749
[ 1, 1, 2, 6, 24, 120, 721, 5075, 41146, 379764, 3955413, 46147101, 598757159, 8574963397, 134469746411, 2290379988897, 42043096791696, 825840722368662, 17251010028434182, 381214917773329660, 8873155199416851000, 216770612918353800000, 5.542237907509303e+21 ]
[ "nonn" ]
A106704
[ 5, 6, 5, 5, 5, 5, 4, 5, 5, 6, 5, 6, 5, 6, 5, 6, 5, 6, 5, 5, 5, 5, 4, 5, 5, 6, 5, 5, 5, 5, 4, 5, 5, 6, 5, 5, 5, 5, 4, 5, 5, 6, 5, 5, 5, 5, 4, 5, 4, 5, 4, 5, 4, 5, 4, 5, 5, 6, 5, 5, 5, 5, 4, 5...
[ "nonn", "uned" ]
A321594
[ 1, -1, -1, 0, -1, 2, 0, 2, -2, 1, 4, -1, -4, 0, 4, -8, -3, 0, 0, -2, 17, -8, -2, -11, 4, 7, 0, 22, 26, -30, -32, 30, -18, 57, -58, 28, -12, -28, -41, 97, -11, -36, 8, -95, -5, -69, -29, 104, 76, 14, 209, -145, 29...
[ "sign" ]
A322122
[ 0, 0, 17, 191, 1816, 16541, 149320, 1344880, 12106148, 108960347, 980654368, 8825914594, 79433288194, 714899721602, 6434097782077, 57906880685893, 521161927629204, 4690457351939133, 42214116174823816, 379927045590000300, 3419343410347322000 ]
[ "nonn" ]
A363490
[ 1, 2, 3, 4, 5, 6, 7, 8, 19, 12, 13, 14, 15, 16, 17, 18, 20, 10, 11, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, ...
[ "base", "nonn" ]
A338998
[ 1729, 12801, 5079361, 34479361, 3069196417, 23915494401 ]
[ "nonn", "more" ]
A304510
[ 96, 234, 510, 1062, 2166, 4374, 8790, 17622, 35286, 70614, 141270, 282582, 565206, 1130454, 2260950, 4521942, 9043926, 18087894, 36175830, 72351702, 144703446, 289406934, 578813910, 1157627862, 2315255766, 4630511574, 9261023190, 18522046422, 37044092886, 74...
[ "nonn", "easy" ]
A074247
[ 6, 28, 140, 496, 2970, 8128, 27846, 105664, 117800, 237510, 539400, 1421280, 1539720, 2290260, 4358600, 8872200, 33550336, 50401728, 90409410, 233103780, 287425800, 318177800, 423184320, 559903400, 825120800, 1632825792, 2705020500, 3209343200, 3328809120, 4...
[ "nonn" ]
A363951
[ 2, 9, 10, 68, 78, 98, 99, 105, 110, 125, 328, 444, 558, 620, 783, 812, 870, 966, 988, 1012, 1035, 1150, 1156, 1168, 1197, 1254, 1326, 1330, 1425, 1521, 1666, 1683, 1690, 1704, 1785, 1870, 1911, 2002, 2125, 2145, 2275, 2401, 2412, ...
[ "nonn" ]
A309405
[ 0, 0, 0, 0, 1, 3, 5, 7, 8, 12, 12, 16, 17, 21, 22, 29, 29, 34, 35, 41, 42, 50, 50, 58, 59, 67, 68, 77, 78, 86, 87, 96, 97, 108, 108, 119, 120, 130, 131, 144, 144, 155, 156, 168, 169, 182, 183, 197, 198, 212, 213, 2...
[ "nonn" ]
A021762
[ 0, 0, 1, 3, 1, 9, 2, 6, 1, 2, 1, 3, 7, 2, 0, 3, 1, 6, 6, 2, 2, 6, 9, 1, 2, 9, 2, 8, 7, 5, 9, 8, 9, 4, 4, 5, 9, 1, 0, 2, 9, 0, 2, 3, 7, 4, 6, 7, 0, 1, 8, 4, 6, 9, 6, 5, 6, 9, 9, 2, 0, 8, 4, 4...
[ "nonn", "cons" ]
A282220
[ 1, 3, 4, 12, 20, 60, 72, 222, 371, 964, 1180, 3572, 5916, 15412, 18876, 57308, 94460, 247524, 303076, 916068, 1511012, 3932164, 4845620, 14619932, 24223620, 63284916, 77492732, 234578852, 386851820, 1006879292, 1240090464, 3745503226, 6205800343, 161...
[ "nonn", "easy" ]
A333922
[ 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 0, 1, 1, 1, 1, 0, 0, 1, 1, 1, 1, 0, 1, 1, 0, 1, 1, 1, 1, 1, 0, 0, 1, 1, 0, 1, 0, 1, 1, 0, 1, 1, 1, 1, 0, 0, 1, 1, 0, 0, 1, 0, 1, 1, 1, 0, 0, 1...
[ "nonn", "base" ]
A209857
[ 3553425, 2383064182, 1538049629157, 1014683000461958, 665390868679472600, 437706800031436400000, 2.874905323386027e+23, 1.8898076279195846e+26, 1.2417241219497449e+29 ]
[ "nonn" ]
A219585
[ 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 5, 5, 2, 1, 1, 15, 40, 17, 2, 1, 1, 52, 457, 364, 46, 3, 1, 1, 203, 6995, 14595, 2897, 123, 4, 1, 1, 877, 136771, 937776, 407287, 21369, 323, 5, 1, 1, 4140, 3299218, 88507276, 107652681...
[ "nonn", "tabl" ]
A150596
[ 1, 2, 7, 27, 107, 470, 2033, 9086, 41227, 188036, 872685, 4059101, 19039409, 89808886, 424989379, 2022124509, 9644549971, 46156345590, 221518673285, 1065265253809, 5135590502267, 24800865960620, 119981448823525, 581410944356560, 2821159938426259, 13708276145589738, ...
[ "nonn", "walk" ]
A301419
[ 1, 1, 3, 19, 201, 3176, 69823, 2026249, 74565473, 3376695763, 183991725451, 11854772145800, 890415496931689, 77023751991841660, 7592990698770559000, 845240026276786000000, 1.0540907348960577e+23, 1.462546750771771e+25, 2.2441234137036475e+27, 3.7875125718605166e+29 ]
[ "nonn" ]
A329234
[ 1, 1, 2, 4, 14, 107, 3080, 328126, 114236734, 141361169088, 565835083485352, 8280254429732072000, 4.018059205914722e+23, 7.300196304058304e+28, 4.482682261057509e+34, 1.0487679202657489e+41, 8.412196186830142e+47 ]
[ "nonn" ]
A128392
[ 1, 0, 288, -1736, 4890, 0, -16660, 44576, -103869, 0, 534744, -499968, -577582, 0, 1408320, 2507344, -6905730, 0, 10661648, -8489040, -4798080, 0, 18643548, 12837888, -25207475, 0, -77183496, 28921760, 128406978, 0, -52842796, -151328128, 154006272, ...
[ "sign", "mult" ]
A039503
[ 1, 3, 11, 15, 29, 39, 43, 53, 57, 59, 65, 69, 71, 77, 79, 85, 87, 95, 97, 101, 103, 105, 113, 115, 127, 129, 135, 137, 141, 145, 151, 155, 157, 169, 171, 173, 183, 189, 193, 201, 205, 207, 211, 217, 227, 231, 235, 245, 2...
[ "nonn", "easy" ]
A210208
[ 1, 1, 2, 1, 3, 1, 2, 4, 1, 5, 1, 2, 3, 1, 7, 1, 2, 4, 8, 1, 3, 9, 1, 2, 5, 1, 11, 1, 2, 3, 4, 1, 13, 1, 2, 7, 1, 3, 5, 1, 2, 4, 8, 16, 1, 17, 1, 2, 3, 9, 1, 19, 1, 2, 4, 5, 1, 3, 7, 1, 2, 11, ...
[ "nonn", "tabf" ]
A293668
[ 1, 2, 3, 1, 4, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1...
[ "nonn", "easy" ]
A245343
[ 0, 1, 2, 3, 4, 3, 4, 5, 6, 7, 4, 5, 6, 7, 8, 7, 8, 9, 10, 11, 6, 7, 8, 9, 10, 7, 8, 9, 10, 11, 10, 11, 12, 13, 14, 7, 8, 9, 10, 11, 10, 11, 12, 13, 14, 9, 10, 11, 12, 13, 10, 11, 12, 13, 14, 13, 14, 15,...
[ "nonn", "base", "easy" ]
A326957
[ 0, 1, 3, 6, 11, 19, 32, 50, 77, 115, 170, 244, 348, 486, 675, 923, 1253, 1682, 2246, 2968, 3904, 5094, 6616, 8533, 10962, 13997, 17808, 22538, 28426, 35689, 44670, 55678, 69199, 85692, 105826, 130261, 159935, 195778, 239092, 291191, 353...
[ "nonn" ]
A217985
[ 5009, 6047, 8039, 9311, 9497, 11171, 15137, 17029, 18869, 20983, 26339, 28627, 31699, 35023, 38833, 43579, 49199, 49727, 50549, 60089, 68447, 72469, 76603, 87931, 89659, 98809, 99733, 102547, 111217, 143281, 143831, 150431, 185401, 191341, 195137, ...
[ "nonn" ]
A002641
[ 4, 9, 11, 23, 32, 39, 44, 51, 53, 60, 65, 72, 86, 93, 95, 114, 123, 156, 170, 179, 186, 200, 207, 212, 219, 228, 233, 240, 249, 261, 270, 303, 317, 333, 338, 345, 375, 389, 401, 443, 452, 473, 480, 492, 515, 534, 548, 564,...
[ "nonn", "easy" ]
A357306
[ 1, 1, 1, 3, 3, 4, 8, 9, 8, 8, 32, 9, 14, 32, 38, 32, 36, 150, 33, 32, 32, 158, 38, 60, 174, 176, 150, 150, 870, 33, 56, 152, 182, 158, 180, 894, 182, 174, 174, 1014, 176, 294, 990, 1014, 870, 888, 5904, 153, 152, 152, ...
[ "nonn" ]
A137236
[ 0, 1, 2, 6, 10, 15, 94, 198, 219, 4543, 11511, 12638, 45606 ]
[ "hard", "more", "nonn" ]
A246386
[ 1, 2, 8, 46, 376, 3962, 52268, 837574, 15919312, 352811378, 8988379220, 260108194558, 8465863112056, 307308030658922, 12350649661695548, 546081624656924100, 26415011148370444000, 1.3909641980667804e+21, 7.938330246971134e+22, 4.89059981340191e+24, 3.2408064771664394e+26 ]
[ "nonn" ]
A373801
[ 2, 4, 7, 8, 15, 29, 18, 35, 69, 137, 32, 63, 125, 249, 497, 993, 1985, 3969, 7937, 72, 143, 285, 569, 90, 179, 102, 203, 405, 809, 114, 227, 132, 263, 140, 279, 557, 158, 315, 629, 1257, 2513, 5025, 10049, 20097, 40193, 200, ...
[ "nonn" ]
A054072
[ 1, 2, 1, 3, 1, 4, 7, 3, 7, 2, 7, 12, 5, 11, 3, 10, 1, 9, 17, 6, 15, 3, 13, 23, 9, 20, 5, 17, 1, 14, 27, 9, 23, 4, 19, 34, 13, 29, 7, 24, 41, 17, 35, 10, 29, 3, 23, 43, 15, 36, 7, 29, 51, 20, 43, 11, 35, ...
[ "nonn" ]
A207961
[ 6, 36, 102, 281, 699, 1799, 4706, 12161, 31356, 81206, 210185, 543399, 1405547, 3636320, 9405751, 24328772, 62932300, 162787659, 421078225, 1089199555, 2817430618, 7287821163, 18851338264, 48762622760, 126133900375, 326269518673 ]
[ "nonn" ]
A294047
[ 1, 1, 10, 195, 6136, 280745, 17452296, 1406162695, 141881576320, 17464107109329, 2568781033444000, 444027365181074400, 88960718926056930000, 2.041994565680738e+22, 5.317219394033953e+24, 1.557341699638685e+27, 5.0924127869708394e+29 ]
[ "nonn" ]
A131196
[ 22, 38, 200, 302, 468, 560, 1186, 1208, 2006, 2026, 2106, 23698, 23716, 25968, 25990, 26706, 48316, 311888, 311914, 311938, 313866, 331540, 332002, 377102, 377634, 377670, 377748, 378428, 378452, 378996, 379026, 379090, 387618, 388140, 389398 ]
[ "nonn" ]
A144956
[ 571, 4.3776313669739506e+26, 3.027885063365506e+115, 2.963114126992252e+185 ]
[ "nonn" ]
A368802
[ 1, 4, 9, 16, 15, 14, 13, 16, 19, 23, 25, 28, 33, 40, 43, 48, 55, 58, 65, 72 ]
[ "nonn", "more", "hard" ]
A124094
[ 1, 1, 1, 1, 1, 2, 1, 1, 1, 3, 1, 1, 2, 2, 5, 1, 1, 1, 2, 2, 7, 1, 1, 2, 2, 4, 3, 11, 1, 1, 1, 3, 2, 5, 4, 15, 1, 1, 2, 1, 5, 3, 7, 5, 22, 1, 1, 1, 3, 1, 6, 4, 9, 6, 30, 1, 1, 2, 2, 5, 2, 10, 5...
[ "easy", "nonn", "tabl" ]
A108755
[ 0, 2, 1, 4, 4, 6, 4, 5, 7, 6, 5, 8, 8, 7, 6, 3, 4, 2, 6, 10, 6, 5, 4, 3, 7, 7, 8, 2, 6 ]
[ "nonn", "more" ]
A292080
[ 1, 0, 0, 0, 2, 2, 14, 84, 630, 6096, 55336, 672160, 7409300, 104999520, 1366363752, 22068387264, 331233939624, 6005919062528, 102144359744192, 2054811316442112, 39053339674065360, 863259240785840600, 18132529836143847000, 436899062862222460000 ]
[ "nonn" ]
A338490
[ 0, 0, 2, 0, 3, 2, 4, 0, 2, 3, 5, 2, 6, 4, 5, 0, 7, 2, 8, 3, 6, 5, 9, 2, 3, 6, 2, 4, 10, 5, 11, 0, 7, 7, 7, 2, 12, 8, 8, 3, 13, 6, 14, 5, 5, 9, 15, 2, 4, 3, 9, 6, 16, 2, 8, 4, 10, 10, 17, 5, 18, ...
[ "nonn" ]
A191644
[ 2, 10, 46, 226, 1214, 7106, 44958, 305090, 2206398, 16914146 ]
[ "dead" ]
A101138
[ 0, 1, 4, 6, 84, 344, 1594, 2104, 6385, 9118, 9331, 14706, 72559 ]
[ "nonn", "hard", "more" ]
A159708
[ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 2, 0, 0, 1, 1, 0, 0, 2, 0, 0, 2, 0, 0, 2, 0, 0, 2, 0, 0, 2, 0, 0, 2, 0, 0, 2, 0...
[ "nonn" ]
A090641
[ 1, 1, 1, 1, 2, 1, 1, 3, 3, 1, 1, 4, 6, 3, 0, 1, 5, 10, 7, 0, 0, 1, 6, 15, 13, 1, 0, 0, 1, 7, 21, 22, 3, 0, 0, 0, 1, 8, 28, 34, 7, 0, 0, 0, 0, 1, 9, 36, 50, 13, 0, 0, 0, 0, 0, 1, 10, 45, 70, 23, 0,...
[ "nonn", "tabl" ]
A075524
[ 10, 15, 21, 69, 95, 117, 165, 175, 213, 245, 287, 319, 335, 357, 405, 415, 437, 453, 511, 527, 549, 559, 597, 629, 655, 671, 693, 725, 767, 789, 799, 847, 895, 917, 933, 959, 965, 1007, 1029, 1055, 1077, 1125, 1135, 1173, 1247, ...
[ "nonn" ]
A010399
[ 0, 1, 4, 5, 6, 7, 9, 11, 16, 17, 19, 20, 23, 24, 25, 26, 28, 30, 35, 36 ]
[ "nonn", "fini", "full" ]
A314052
[ 1, 5, 11, 15, 21, 26, 32, 37, 43, 47, 53, 58, 63, 69, 73, 79, 84, 90, 95, 101, 105, 111, 116, 121, 127, 131, 137, 142, 148, 153, 159, 163, 169, 174, 179, 185, 189, 195, 200, 206, 211, 217, 221, 227, 232, 237, 243, 247, 2...
[ "nonn" ]
A261782
[ 16, 32, 64, 128, 243, 256, 512, 1024, 2048, 2744, 4096, 6561, 8192, 16384, 32768, 65536, 131072, 177147, 185193, 262144, 474552, 524288, 614656, 810000, 941192, 1048576, 1124864, 1419857, 1500625, 2097152, 3241792, 4194304 ]
[ "nonn" ]
A175861
[ 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 1, 1, 0...
[ "nonn" ]
A039608
[ 18, 73, 150, 174, 186, 198, 210, 216, 218, 219, 220, 221, 223, 224, 225, 226, 227, 234, 246, 258, 270, 282, 306, 361, 450, 505, 594, 649, 738, 793, 865, 876, 878, 879, 880, 881, 883, 884, 885, 886, 887, 889, 901, 913, 925, 949...
[ "nonn", "base", "easy" ]
A011365
[ 1, -2, -3, -11, -49, -244, -1301, -7265, -41945, -248357, -1499838, -9202478, -57204263, -359491066, -2280171089, -14578108497, -93850280001, -607856133804, -3958143058643, -25897182540675, -170164359751174, -1122422557526850, -7429480035700452 ]
[ "sign" ]
A262027
[ 2, 8, 3, 10, 4, 170, 24, 5, 26, 1520, 17, 6, 19, 3482, 48, 7, 50, 530, 8, 48842, 3480, 26, 80, 9, 82, 28, 197, 1574, 49, 10, 227528, 51, 962, 1126, 120, 11, 122, 4730624, 577, 10610, 244, 35, 77563250, 12, 1728148040, 37, 13...
[ "nonn" ]
A129639
[ 12, 22, 40, 74, 136, 252, 464, 860, 1584, 2936, 5408, 10024, 18464, 34224, 63040, 116848, 215232, 398944, 734848, 1362080, 2508928, 4650432, 8566016, 15877568, 29246208, 54209408, 99852800, 185082496, 340918784, 631911168, 1163969536 ]
[ "nonn" ]
A193792
[ 1, 1, 1, 3, 1, 4, 9, 6, 1, 16, 27, 27, 9, 1, 64, 81, 108, 54, 12, 1, 256, 243, 405, 270, 90, 15, 1, 1024, 729, 1458, 1215, 540, 135, 18, 1, 4096, 2187, 5103, 5103, 2835, 945, 189, 21, 1, 16384, 6561, 17496, 20412, 13608,...
[ "nonn", "tabl", "changed" ]
A153784
[ 0, 4, 28, 72, 136, 220, 324, 448, 592, 756, 940, 1144, 1368, 1612, 1876, 2160, 2464, 2788, 3132, 3496, 3880, 4284, 4708, 5152, 5616, 6100, 6604, 7128, 7672, 8236, 8820, 9424, 10048, 10692, 11356, 12040, 12744, 13468, 14212, 14976, 15760...
[ "easy", "nonn" ]
A316612
[ 8, 53, 63, 199, 649, 1749, 4719, 13770, 38535, 106694, 302759, 853104, 2385813, 6717043, 18917295, 53110690, 149304292, 420051407, 1180658209, 3318836197, 9332768412, 26238657260, 73763895813, 207396353458, 583103500176 ]
[ "nonn" ]
A365887
[ 80, 567, 728, 1215, 1376, 1863, 2024, 2511, 2672, 3159, 3320, 3807, 3968, 4455, 4616, 5103, 5264, 5751, 5912, 6399, 6560, 7047, 7208, 7695, 7856, 8343, 8504, 8991, 9152, 9639, 9800, 10287, 10448, 10935, 11096, 11583, 11744, 12231, 12392, ...
[ "nonn", "easy" ]
A012476
[ 1, -5, 65, -3005, 278465, -42738005, 9852460865, -3178878885005, 1367383455547265, -756164182327284000, 522662665715777340000, -4.415231381079857e+23, 4.47556468280586e+26 ]
[ "sign" ]
A117014
[ 5, 9, 5, 8, 2, 3, 2, 3, 6, 5, 9, 0, 9, 5, 5, 5, 7, 4, 4, 6, 4, 1, 9, 0, 5, 4, 0, 5, 2, 0, 6, 9, 6, 6, 7, 9, 7, 5, 5, 1, 8, 8, 9, 7, 9, 5, 3, 5, 7, 1, 1, 9, 0, 3, 2, 1, 6, 5, 9, 3, 1, 2, 2, 1...
[ "cons", "nonn", "less" ]
A053441
[ 1, 0, 4, 4, 16, 24, 71, 128, 328, 650, 1552, 3232, 7437, 15904, 35884, 77840, 173792, 379896, 843411, 1851264, 4097552, 9014038, 19918944, 43871360, 96860441, 213472064, 471086932, 1038595100, 2291372912, 5052682904, 11145821407, 24580005376, 542175645...
[ "nonn", "easy", "nice" ]
A045241
[ 33, 41, 81, 133, 141, 153, 163, 165, 167, 169, 173, 183, 191, 201, 205, 207, 209, 211, 221, 233, 241, 283, 291, 331, 381, 401, 405, 407, 409, 411, 421, 431, 481, 533, 541, 581, 633, 641, 653, 663, 665, 667, 669, 673, 683, 691 ...
[ "nonn", "base" ]
A192426
[ 2, 0, 5, 1, 18, 13, 81, 106, 413, 729, 2258, 4653, 12833, 28666, 74493, 173545, 437346, 1041421, 2583089, 6221322, 15304541, 37079289, 90826994, 220729069, 539487297, 1313161498, 3205831869, 7809748489, 19054635650, 46439068365 ]
[ "nonn", "easy" ]
A189084
[ 0, 1, 1, 0, 1, 0, 0, 1, 1, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0...
[ "nonn" ]
A119815
[ 1, 1, -1, 1, 1, -11, 23, -20, 731, -4860, -91205, 138329, 24813133, 222203538, -11857627480, -340590475934, 7798573417057, 602467423292955, -4252676907049394, -1469602631093521700, -14928401886412968000, 4.982240895059492e+21, 1.6792379480886247e+23 ]
[ "sign" ]
A047572
[ 1, 2, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 17, 18, 20, 21, 22, 23, 25, 26, 28, 29, 30, 31, 33, 34, 36, 37, 38, 39, 41, 42, 44, 45, 46, 47, 49, 50, 52, 53, 54, 55, 57, 58, 60, 61, 62, 63, 65, 66, 68, 69, 70, 71, ...
[ "nonn", "easy" ]
A139805
[ 20, 28, 36, 42, 44, 48, 52, 54, 60, 66, 68, 72, 76, 78, 80, 84, 88, 90, 92, 96, 99, 100, 102, 104, 108, 110, 112, 114, 116, 117, 120, 124, 126, 130, 132, 136, 138, 140, 144, 148, 150, 152, 153, 156, 160, 162, 164, 168, 1...
[ "nonn" ]
A298322
[ 1, 5, 22, 382, 17984, 2614097, 1019874462, 970377749534, 2360675859823673 ]
[ "nonn" ]
A270366
[ 1, 2, 2, 4, 2, 8, 0, 2, 14, 2, 0, 6, 0, 26, 4, 2, 0, 0, 8, 2, 0, 54, 0, 8, 0, 0, 2, 0, 0, 16, 6, 0, 0, 0, 106, 0, 0, 16, 0, 0, 0, 6, 0, 0, 0, 0, 0, 32, 0, 8, 2, 0, 0, 0, 0, 214, 0, 0, 0, 0, 32, ...
[ "nonn" ]
A040960
[ 31, 2, 62, 2, 62, 2, 62, 2, 62, 2, 62, 2, 62, 2, 62, 2, 62, 2, 62, 2, 62, 2, 62, 2, 62, 2, 62, 2, 62, 2, 62, 2, 62, 2, 62, 2, 62, 2, 62, 2, 62, 2, 62, 2, 62, 2, 62, 2, 62, 2, 62, 2, 62, 2, 62, 2, 62, 2,...
[ "nonn", "cofr", "easy", "changed" ]
A045042
[ 0, 4, 12, 17, 19, 20, 28, 49, 51, 52, 60, 69, 71, 77, 79, 81, 83, 84, 92, 113, 115, 116, 124, 197, 199, 205, 207, 209, 211, 212, 220, 241, 243, 244, 252, 277, 279, 285, 287, 309, 311, 317, 319, 325, 327, 333, 335, 337, 3...
[ "nonn", "base" ]
A068220
[ 9419, 9421, 9431, 9433, 9437, 9439, 9461, 9463, 62969, 62971, 62981, 62983, 62987, 62989, 63029, 63031, 72221, 72223, 72227, 72229, 72251, 72253, 72269, 72271, 392261, 392263, 392267, 392269, 392279, 392281, 392297, 392299, 495569 ]
[ "nonn" ]
A341466
[ 1, 0, 1, 1, 2, 2, 4, 3, 6, 6, 9, 9, 14, 15, 21, 23, 30, 33, 43, 47, 61, 67, 81, 91, 112, 123, 150, 165, 194, 217, 255, 281, 330, 363, 417, 461, 529, 582, 665, 730, 823, 905, 1018, 1115, 1253, 1368, 1519, 1662, 1844, 20...
[ "nonn" ]