Datasets:
N8Programs
/
oeis-enhanced

Dataset card Data Studio Files
xet
Community
1
id
stringlengths
7
11
seq
listlengths
1
347
keywords
listlengths
1
8
⌀
A283619
[ 30666137, 3902132276156, 2473929, 1015214, 464437, 40743218950116, 47, 2344, 61863, 32660, 4367, 7974, 11, 2021170066180678, 92343, 784, 571, 2364594, 13, 20450, 136113, 2596, 176011, 262638, 3223, 512, 59217, 26, 18973, 6360528, 23, 11848, 99, 292226, 832573 ]
[ "nonn" ]
A376385
[ 1, 0, 4, 6, 280, 1620, 67788, 844200, 36344992, 752867136, 34869857040, 1039132179360, 52776841318848, 2066262237673920, 115959403155851140, 5617102749187850000, 348802585405252040000, 2.0063354348482794e+22, 1.3756251320909178e+24 ]
[ "nonn" ]
A020021
[ 1, 1, 1, 2, 8, 36, 199, 1303, 9844, 84217, 804738, 8494461, 98158214, 1232430908, 16706285647, 243169268857, 3782633071104, 62623591954943, 1099391947653438, 20399828362013788, 398929976857158500 ]
[ "nonn" ]
A255370
[ 2, 11, 15, 19, 3, 105, 58, 83, 296, 291, 157, 667, 123, 325, 211, 273, 133, 122, 184, 421, 183, 2767, 170, 703, 2060, 2437, 442, 785, 401, 2203, 931, 678, 1795, 1226, 382, 2732, 381 ]
[ "nonn" ]
A027441
[ 0, 1, 9, 42, 130, 315, 651, 1204, 2052, 3285, 5005, 7326, 10374, 14287, 19215, 25320, 32776, 41769, 52497, 65170, 80010, 97251, 117139, 139932, 165900, 195325, 228501, 265734, 307342, 353655, 405015, 461776, 524304, 592977, 668185, 750330, 839826, 937099 ]
[ "nonn", "easy" ]
A076222
[ 1, 1, 1, 2, 2, 4, 4, 4, 4, 6, 6, 6, 6, 6, 8, 9, 9, 9, 9, 9, 8, 11, 11, 11, 11, 12, 11, 12, 12, 13, 13, 13, 15, 15, 16, 17, 17, 17, 17, 17, 17, 18, 18, 20, 20, 20, 20, 20, 19, 18, 19, 19, 19, 19, 24, 23, 24, 24, 24, 24, 24, 24, 24, 24, 21, 25, 25, 27, 27, 28, 28, 28, 28, 28, 28, 28 ]
[ "nonn" ]
A378574
[ 1, 3, 12, 59, 327, 1946, 12134, 78226, 517184, 3487505, 23893646, 165850488, 1163828396, 8242924994, 58847504503, 423033663392, 3059510702675, 22246091978206, 162526826216002, 1192478814606035, 8783088349526872, 64916842264368856, 481332209801339800, 3579243987499087400, 26686563090217530000, 199460739112873560000 ]
[ "nonn" ]
A293010
[ 3, 11, 29, 127, 347, 1087, 3079, 8419, 23531, 64553, 175211, 480881, 1304519, 3523901, 9558533, 25874767, 70115473, 189961193, 514272463, 1394193607, 3779851091, 10246935679, 27788566133, 75370121191, 204475052401, 554805820477, 1505578023841, 4086199302077 ]
[ "nonn" ]
A203392
[ 1, 185, 7785, 210342, 5666072, 163500122, 4711784187, 134023641768, 3812883352529, 108732629007739, 3100601273660894, 88377350678293870, 2519070713456537600, 71808337430581030000, 2.0469557332671733e+21 ]
[ "nonn" ]
A145718
[ 762, 1676527, 3403477826, 6909058439031, 14025385227883882, 28471525103545970000, 5.779718193481309e+22, 1.1732825085614548e+26, 2.3817629144079336e+29, 4.834977542965597e+32, 9.815002030457247e+35 ]
[ "easy", "nonn" ]
A226053
[ 1, 3, 24, 815, 2263886, 9073564639850, 1.7622856902714622e+26, 8.420574760501603e+52 ]
[ "nonn" ]
A388056
[ 1, 2, 3, 4, 5, 8, 10, 6, 11, 7, 9, 13, 12, 14, 35, 26, 17, 51, 19, 41, 43, 54, 23, 24, 56, 16, 27, 38, 40, 30, 52, 32, 33, 55, 15, 47, 37, 28, 50, 29, 20, 42, 21, 53, 45, 46, 36, 48, 49, 39, 18, 31, 44, 22, 34, 25, 211, 71, 82, 135, 98, 241, 112, 206, 117, 212 ]
[ "nonn", "base" ]
A386439
[ 8, 0, 0, 9, 6, 5, 7, 5, 5, 0, 0, 6, 5, 5, 8, 9, 8, 9, 0, 9, 0, 4, 2, 0, 3, 2, 6, 3, 8, 8, 0, 8, 2, 4, 1 ]
[ "nonn", "cons", "more" ]
A213093
[ 1, 1, 1, 4, 13, 62, 297, 1523, 8091, 43243, 234347, 1267141, 6814076, 36368431, 192079140, 1006805203, 5262612068, 27656507707, 147973596219, 815825605806, 4662818005761, 27504894986209, 165036600363916, 989160502170958, 5829789341752240, 33444482725193880 ]
[ "sign" ]
A206271
[ 306, 972, 3168, 11205, 35922, 123357, 408198, 1376754, 4572942, 15438600, 51367338, 172747923, 576448980, 1935886518, 6465571452, 21695411226, 72514916274, 243164479179, 813186470136, 2725748659476, 9118451550024 ]
[ "nonn" ]
A017226
[ 15625, 7529536, 148035889, 1073741824, 4750104241, 15625000000, 42180533641, 98867482624, 208422380089, 404567235136, 735091890625, 1265319018496, 2081951752609, 3297303959104, 5053913144281 ]
[ "nonn", "easy" ]
A132828
[ 255, 253, 251, 250, 252, 248, 246, 245, 247, 243, 242, 244, 249, 240, 238, 237, 239, 235, 233, 232, 234, 230, 229, 231, 236, 227, 225, 224, 226, 222, 221, 223, 228, 241, 219, 217, 216, 218, 214, 212, 211, 213, 209, 208, 210, 215, 206, 204, 203, 205, 201 ]
[ "nonn", "uned" ]
A078786
[ 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 2, 1, 2, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 1, 1, 1, 1, 1, 4, 2, 1, 2, 1, 1, 4, 4, 4, 4, 3, 1, 1, 1, 1, 1, 4, 3, 3, 3, 2, 1, 1, 1, 4, 4, 1, 3, 2, 2, 2, 1, 1, 1, 4, 3, 3, 1, 2, 2, 2, 1, 1, 1, 4, 3, 2, 2, 1, 2, 2, 1, 1, 1, 4, 3, 2, 2, 2, 1, 1 ]
[ "base", "nice", "nonn" ]
A335959
[ 2, 0, 6, 0, 9, 2, 1, 0, 8, 2, 7, 1, 2, 7, 0, 1, 0, 6, 5, 0, 3, 3, 9, 7, 7, 4, 2, 7, 8, 6, 1, 7, 2, 1, 2, 9, 5, 4, 1, 9, 9, 7, 1, 9, 2, 2, 3, 5, 7, 4, 6, 5, 0, 0, 5, 8, 1, 0, 4, 0, 9, 2, 0, 4, 4, 9, 7, 6, 7, 3, 7, 1, 6, 4, 0, 2, 2, 4, 6, 2, 9, 0, 8, 3, 3, 5 ]
[ "nonn", "cons" ]
A052930
[ 1, 0, 2, 4, 6, 18, 34, 74, 166, 346, 758, 1634, 3510, 7602, 16374, 35330, 76262, 164466, 354902, 765698, 1651910, 3564178, 7689590, 16590370, 35794086, 77225650, 166615382, 359474114, 775568006, 1673295698, 3610149174 ]
[ "easy", "nonn" ]
A320596
[ 1, 1, 3, 5, 9, 13, 21, 29, 43, 59, 82, 108, 146, 187, 244, 309, 393, 488, 610, 746, 917, 1109, 1343, 1606, 1924, 2277, 2698, 3168, 3719, 4331, 5045, 5833, 6744, 7750, 8900, 10167, 11609, 13189, 14976, 16934, 19132, 21533, 24219, 27143, 30399, 33939, 37859 ]
[ "nonn", "easy" ]
A342194
[ 1, 1, 1, 3, 3, 5, 7, 7, 7, 13, 11, 11, 17, 13, 15, 25, 17, 17, 29, 19, 23, 35, 25, 23, 39, 29, 29, 45, 33, 29, 55, 31, 35, 55, 39, 43, 65, 37, 43, 65, 51, 41, 77, 43, 51, 85, 53, 47, 85, 53, 65, 87, 61, 53, 99, 67, 67, 97, 67, 59, 119, 61, 71, 113, 75, 79, 123, 67, 79, 117 ]
[ "nonn" ]
A385814
[ 1, 0, 1, 0, 1, 1, 0, 1, 1, 1, 0, 2, 1, 1, 1, 0, 2, 2, 1, 1, 1, 0, 3, 2, 3, 1, 1, 1, 0, 3, 4, 2, 3, 1, 1, 1, 0, 4, 5, 4, 3, 3, 1, 1, 1, 0, 5, 5, 6, 5, 3, 3, 1, 1, 1, 0, 6, 8, 7, 6, 6, 3, 3, 1, 1, 1, 0, 7, 9, 10, 8, 7, 6, 3, 3, 1, 1, 1 ]
[ "nonn", "tabl" ]
A116208
[ 145, 384, 505, 820, 7680, 20665, 29748, 480340, 6694209, 77854665, 107541513, 109342209, 132231408, 174990384, 183673473, 213017748, 289940833, 326530608, 338353345, 404958673, 448003540, 451671060, 478271265 ]
[ "nonn", "base" ]
A208659
[ 1, 2, 2, 2, 6, 4, 2, 10, 16, 8, 2, 14, 36, 40, 16, 2, 18, 64, 112, 96, 32, 2, 22, 100, 240, 320, 224, 64, 2, 26, 144, 440, 800, 864, 512, 128, 2, 30, 196, 728, 1680, 2464, 2240, 1152, 256, 2, 34, 256, 1120, 3136, 5824, 7168, 5632, 2560, 512, 2, 38, 324 ]
[ "nonn", "tabl" ]
A271668
[ 1, 3, 3, 6, 6, 5, 10, 10, 9, 7, 15, 15, 14, 12, 9, 21, 21, 20, 18, 15, 11, 28, 28, 27, 25, 22, 18, 13, 36, 36, 35, 33, 30, 26, 21, 15, 45, 45, 44, 42, 39, 35, 30, 24, 17, 55, 55, 54, 52, 49, 45, 40, 34, 27, 19, 66, 66, 65, 63, 60, 56, 51, 45, 38, 30, 21 ]
[ "nonn", "tabl" ]
A243588
[ 2, 11, 13, 17, 19, 31, 37, 53, 59, 71, 73, 101, 103, 107, 109, 127, 149, 163, 167, 181, 211, 233, 239, 251, 257, 271, 293, 307, 347, 383, 389, 419, 431, 433, 479, 491, 499, 503, 509, 521, 523, 541, 563, 569, 587, 613, 617, 631, 653, 659, 677, 701, 743 ]
[ "nonn", "base" ]
A369207
[ 1, 1, 2, 2, 2, 4, 4, 4, 4, 8, 1, 1, 8, 8, 8, 1, 1, 8, 16, 5, 5, 5, 5, 5, 5, 1, 2, 2, 16, 16, 16, 5, 5, 5, 5, 2, 2, 1, 16, 5, 5, 5, 5, 5, 5, 16, 32, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 5, 10, 2, 2, 2, 5, 10, 2, 2, 5, 10, 2, 5, 10, 2, 5, 10, 2, 2, 10, 2, 2, 2, 2, 2, 4, 4 ]
[ "nonn", "base", "tabf" ]
A296584
[ 8, 62, 346, 2458, 17503, 125765, 923475, 6803610, 50377421, 373850392, 2777732079, 20654701931, 153644634237, 1143184990070, 8506893093507, 63307684790436, 471150096596496, 3506483896308059, 26096955903405184, 194227578159387520 ]
[ "nonn" ]
A231093
[ 221355126, 402640540, 668862580, 739577140, 1415514246, 1598558646, 1678915540, 1714512246, 1812156340, 1829740086, 1892686326, 2097915966, 2259080046, 2452774780, 2453605540, 2521418740, 2726361940, 3118553740, 3252749646, 3318076446, 4119153340, 4748101660 ]
[ "nonn" ]
A350965
[ 2, 22, 218, 2158, 21362, 211462, 2093258, 20721118, 205117922, 2030458102, 20099463098, 198964172878, 1969542265682, 19496458483942, 192995042573738, 1910453967253438, 18911544629960640, 187204992332353000, 1853138378693569300 ]
[ "nonn", "easy" ]
A247848
[ 4, 0, 8, 0, 3, 0, 1, 3, 9, 7, 0, 7, 1, 3, 9, 4, 1, 9, 6, 0, 1, 1, 1, 9, 0, 5, 7, 4, 5, 9, 6, 3, 4, 7, 8, 3, 1, 3, 8, 5, 4, 7, 2, 1, 7, 2, 4, 2, 0, 5, 8, 0, 4, 1, 3, 7, 3, 0, 4, 0, 7, 9, 9, 5, 7, 5, 6, 3, 4, 6, 2, 6, 0, 6, 3, 7, 7, 5, 0, 4, 9, 1, 6, 0, 7, 1, 3, 1, 8, 1, 4, 1, 3, 5, 2, 0, 0, 8, 9, 0, 6, 3, 3, 4, 3 ]
[ "nonn", "cons", "easy" ]
A165750
[ 1, 10, -80, 820, -8180, 81820, -818180, 8181820, -81818180, 818181820, -8181818180, 81818181820, -818181818180, 8181818181820, -81818181818180, 818181818181820, -8181818181818180, 81818181818181820 ]
[ "easy", "sign" ]
A190365
[ 5, 11, 18, 24, 31, 36, 43, 49, 56, 62, 67, 74, 80, 87, 93, 100, 105, 112, 118, 124, 131, 136, 143, 149, 156, 162, 169, 174, 181, 187, 193, 200, 205, 212, 218, 225, 231, 238, 243, 249, 256, 262, 269, 274, 281, 287, 294, 300, 307, 312, 318, 325, 331, 338, 343, 350, 356, 363, 369, 374, 381, 387, 394, 400, 407, 412, 419, 425, 432, 438, 443, 450 ]
[ "nonn" ]
A148995
[ 1, 1, 3, 9, 33, 117, 453, 1775, 7112, 28983, 120132, 504174, 2146646, 9208343, 39778905, 173078627, 757217899, 3328960216, 14708426707, 65283892983, 291015312216, 1302008131740, 5842963924992, 26296807422445, 118666236830752, 536772492146077, 2433653602795155, 11058875016376168, 50361354298500480 ]
[ "nonn", "walk" ]
A151129
[ 1, 3, 11, 45, 197, 872, 3983, 18439, 86108, 405885, 1926008, 9180468, 43971432, 211334511, 1018756854, 4924594051, 23857317607, 115808367636, 563173460823, 2742840860644, 13377406360982, 65326918131829, 319371224969523, 1562969595017468, 7656182764050154, 37535645510369350, 184170600862110900 ]
[ "nonn", "walk" ]
A254751
[ 22, 23, 25, 27, 32, 33, 35, 37, 52, 53, 55, 57, 72, 73, 75, 77, 237, 297, 313, 317, 373, 537, 597, 713, 717, 737, 797, 2337, 2397, 2937, 3113, 3137, 3173, 3797, 5937, 5997, 7197, 7337, 7397, 29397, 31373, 37937, 59397, 73313, 739397 ]
[ "nonn", "base", "fini", "full" ]
A164205
[ 1, 2, 4, 8, 16, 30, 56, 104, 193, 360, 674, 1267, 2390, 4526, 8601, 16400, 31365, 60157, 115679, 222981, 430755, 833809, 1616962, 3140973, 6110774, 11905300, 23224421, 45359052, 88686073, 173572765, 340022903, 666660029, 1308104414, 2568603123 ]
[ "nonn" ]
A025063
[ 1, 3, 4, 6, 8, 9, 10, 13, 16, 17, 18, 21, 22, 24, 26, 28, 30, 31, 33, 35, 37, 39, 40, 41, 43, 45, 46, 48, 50, 53, 54, 56, 59, 61, 63, 65, 66, 69, 71, 73, 74, 76, 78, 80, 81, 83, 85, 87, 89, 90, 93, 95, 97, 99, 101, 103, 105, 107, 109, 111, 113, 115, 117, 119, 121, 124, 125, 127, 129, 131 ]
[ "nonn" ]
A118564
[ 1, 3, 7, 9, 21, 63, 111, 133, 135, 171, 195, 201, 261, 285, 399, 511, 621, 645, 735, 777, 801, 1011, 1053, 1095, 1101, 1107, 1183, 1233, 1251, 1275, 1323, 1365, 1387, 1417, 1455, 1503, 1545, 1611, 1659, 1701, 2001, 2023, 2085, 2115, 2133, 2355, 2403, 2445 ]
[ "base", "nonn" ]
A035370
[ 0, 0, 0, 1, 1, 0, 0, 1, 2, 2, 0, 1, 2, 4, 3, 1, 2, 5, 7, 6, 2, 5, 9, 13, 9, 5, 10, 18, 21, 16, 10, 20, 30, 35, 25, 21, 35, 52, 55, 43, 37, 62, 83, 88, 68, 67, 102, 135, 135, 111, 112, 168, 208, 209, 173, 188, 265, 323, 314, 275, 300, 415, 485, 475, 421, 477, 632, 730, 703 ]
[ "nonn" ]
A305591
[ 32, 569, 6818, 89466, 1103744, 13941521, 175683720, 2213918787, 27910555993, 351952078164, 4437792774181, 55955951985349, 705571347078058, 8896876212494566, 112184230213989900, 1414576206492956400 ]
[ "nonn" ]
A324203
[ 1, 2, 2, 3, 2, 4, 2, 5, 3, 4, 2, 6, 2, 4, 4, 7, 2, 8, 2, 9, 4, 4, 2, 10, 3, 4, 5, 9, 2, 11, 2, 12, 4, 4, 4, 13, 2, 4, 4, 14, 2, 11, 2, 9, 6, 4, 2, 15, 3, 8, 4, 9, 2, 16, 4, 17, 4, 4, 2, 18, 2, 4, 9, 19, 4, 11, 2, 9, 4, 11, 2, 20, 2, 4, 8, 9, 4, 11, 2, 21, 7, 4, 2, 20, 4, 4, 4, 17, 2, 22, 4, 9, 4, 4, 4, 23, 2, 8, 9, 24, 2, 11, 2, 17, 11 ]
[ "nonn" ]
A008073
[ 1, 4, 12, 25, 40, 61, 86, 119, 164, 212, 253, 303, 366, 436, 506, 570, 644, 728, 826, 934, 1022, 1111, 1225, 1361, 1479, 1592, 1717, 1849, 2000, 2140, 2286, 2452, 2620, 2784, 2951, 3103, 3283, 3511, 3723, 3878, 4033, 4254, 4512, 4762, 4955, 5136, 5355, 5612 ]
[ "nonn" ]
A087082
[ 1, 2, 3, 4, 5, 6, 7, 8, 9, 55, 56, 56, 55, 53, 50, 46, 41, 35, 28, 64, 65, 66, 65, 63, 60, 56, 51, 45, 38, 72, 73, 74, 75, 73, 70, 66, 61, 55, 48, 79, 80, 81, 82, 83, 80, 76, 71, 65, 58, 85, 86, 87, 88, 89, 90, 86, 81, 75, 68, 90, 91, 92, 93, 94, 95, 96, 91, 85, 78 ]
[ "nonn", "easy" ]
A095827
[ 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2, 2 ]
[ "base", "easy", "nonn" ]
A026598
[ 1, 2, 6, 14, 37, 91, 234, 588, 1502, 3808, 9715, 24727, 63095, 160899, 410764, 1048598, 2678327, 6841725, 17482478, 44678724, 114205286, 291963048, 746504245, 1908907425, 4881860810, 12486083994, 31937825727, 81699259367 ]
[ "nonn" ]
A354450
[ 1, 4, 0, 7, 1, 0, 4, 4, 2, 7, 4, 3, 5, 1, 7, 6, 5, 8, 7, 3, 5, 3, 6, 8, 7, 6, 9, 6, 5, 0, 7, 8, 2, 8, 5, 5, 0, 5, 2, 1, 2, 7, 4, 0, 7, 1, 4, 4, 7, 7, 7, 5, 5, 1, 4, 7, 9, 4, 0, 5, 0, 9, 2, 8, 2, 5, 4, 5, 5, 0, 1, 3, 6, 4, 2, 9, 0, 6, 0, 8, 1, 5, 2, 6, 2, 8, 8, 6, 5, 6, 5, 1, 6, 2, 8, 6, 0, 0, 2, 8, 8, 9, 7, 9, 4 ]
[ "nonn", "cons" ]
A183418
[ 96, 15232, 2748326, 535504390, 108917015732, 22819790947743, 4882354760830113, 1061262556019472500, 233540084105702540000, 5.19020833677339e+22, 1.162830686215991e+25, 2.622857292112189e+27 ]
[ "nonn" ]
A120194
[ 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 3, 3, 3, 4, 4, 5, 5, 6, 7, 8, 9, 10, 11, 12, 14, 16, 18, 20, 22, 25, 28, 32, 36, 40, 45, 51, 57, 64, 72, 81, 91, 103, 116, 130, 146, 165, 185, 208, 234, 264, 297, 334, 376, 423, 475, 535, 602, 677, 762, 857, 964, 1084, 1220, 1372, 1544 ]
[ "nonn" ]
A019609
[ 8, 5, 3, 9, 7, 3, 4, 2, 2, 2, 6, 7, 3, 5, 6, 7, 0, 6, 5, 4, 6, 3, 5, 5, 0, 8, 6, 9, 5, 4, 6, 5, 7, 4, 4, 9, 5, 0, 3, 4, 8, 8, 8, 5, 3, 5, 7, 6, 5, 1, 1, 4, 9, 6, 1, 8, 7, 9, 6, 0, 1, 1, 3, 0, 1, 7, 9, 2, 2, 8, 6, 1, 1, 1, 5, 7, 3, 3, 0, 8, 0, 7, 5, 7, 2, 5, 6, 3, 8, 6, 9, 7, 1, 0, 4, 7, 3, 9, 4 ]
[ "nonn", "cons" ]
A179991
[ 2, 3, 8, 15, 28, 49, 84, 141, 234, 385, 630, 1027, 1670, 2711, 4396, 7123, 11536, 18677, 30232, 48929, 79182, 128133, 207338, 335495, 542858, 878379, 1421264, 2299671, 3720964, 6020665, 9741660, 15762357, 25504050, 41266441, 66770526, 108037003, 174807566 ]
[ "nonn", "easy" ]
A227787
[ 1, 1, 1, 3, 31, 877, 107637, 66291089, 214925869109 ]
[ "nonn", "hard", "more" ]
A302746
[ 64, 8192, 630604, 50347423, 4104946296, 336148647504, 27552364197684, 2259775666820199, 185346624306819170, 15203212791707363000, 1.247058011926331e+21, 1.0229183516357381e+23 ]
[ "nonn" ]
A382284
[ 1, 1, 1, 1, 2, 3, 7, 13, 31, 60, 146, 320, 787, 1864, 4654, 11526, 29318, 74632, 192868, 500487, 1310826 ]
[ "nonn", "more", "hard" ]
A038089
[ 1, 4, 9, 18, 34, 61, 108, 187, 318, 528, 871, 1417, 2288, 3662, 5825, 9203, 14471, 22639, 35266, 54725, 84607, 130379, 200287, 306787, 468607, 713970, 1085060, 1645181, 2488771, 3756778, 5658871, 8506900, 12763178, 19112874, 28568961, 42627442, 63493739 ]
[ "nonn", "fini" ]
A135265
[ 1, 1, 1, 2, 2, 2, 1, 1, 1, 2, 2, 2, 1, 1, 1, 2, 2, 2, 1, 1, 1, 2, 2, 2, 1, 1, 1, 2, 2, 2, 1, 1, 1, 2, 2, 2, 1, 1, 1, 2, 2, 2, 1, 1, 1, 2, 2, 2, 1, 1, 1, 2, 2, 2, 1, 1, 1, 2, 2, 2, 1, 1, 1, 2, 2, 2, 1, 1, 1, 2, 2, 2, 1, 1, 1, 2, 2, 2, 1, 1, 1, 2, 2, 2, 1, 1, 1, 2, 2, 2, 1, 1, 1, 2, 2, 2, 1, 1, 1, 2, 2, 2, 1, 1, 1 ]
[ "nonn", "easy", "less" ]
A235268
[ 1, 0, 0, 6, 12, 20, 12, 42, 24, 18, 15, 110, 24, 156, 35, 30, 48, 272, 36, 342, 30, 28, 99, 506, 40, 100, 143, 54, 70, 812, 45, 930, 96, 66, 255, 140, 45, 1332, 323, 78, 60, 1640, 56, 1806, 77, 90, 483, 2162, 80, 294, 75, 102, 117, 2756, 108, 66, 140, 114, 783 ]
[ "nonn" ]
A026577
[ 1, 2, 8, 34, 121, 606, 2155, 11306, 40717, 217666, 792351, 4280046, 15703156, 85410872, 315180458, 1722900242, 6385672193, 35040356022 ]
[ "nonn" ]
A372345
[ 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 1, 0, 1, 0, 0, 0, 1, 1, 0, 0, 0, 0, 3, 2, 3, 0, 0, 0, 1, 4, 3, 3, 4, 1, 0, 0, 1, 3, 4, 0, 4, 3, 1, 0, 0, 0, 4, 4, 0, 0, 4, 4, 0, 0, 0, 0, 0, 5, 3, 0, 3, 5, 0, 0, 0, 0, 1, 1, 0, 3, 4, 4, 3, 0, 1, 1, 0, 0, 1, 0, 1, 9, 4, 6, 4, 9, 1, 0, 1, 0 ]
[ "nonn", "base", "tabl" ]
A236339
[ 1, 2, 8, 39, 212, 1232, 7492, 47082, 303336, 1992826, 13299624, 89912992, 614474252, 4238138216, 29463047072, 206234876287, 1452319244772, 10281935334928, 73138728191724, 522475643860940, 3746698673538480, 26961197787989220, 194626504416928060 ]
[ "easy", "nonn", "nice" ]
A139746
[ 0, 3, 57, 819, 10545, 128283, 1509417, 17390019, 197581665, 2223729963, 24863682777, 276721736019, 3069708899985, 33972956330043, 375351787072137, 4142063797326819, 45668254886861500, 503195228685608500, 5541902914982749000, 61014975260338690000, 671597073427953200000 ]
[ "nonn", "easy" ]
A025341
[ 101, 110, 126, 134, 146, 149, 173, 174, 182, 185, 186, 221, 222, 237, 245, 251, 257, 278, 286, 294, 302, 305, 306, 309, 315, 318, 334, 338, 342, 349, 353, 354, 366, 377, 402, 404, 409, 410, 430, 440, 453, 454, 467, 481, 490, 502, 504, 514, 515, 517, 526, 529, 531, 536 ]
[ "nonn" ]
A207744
[ 22, 484, 5302, 58081, 733363, 9259849, 113534330, 1392036100, 17213677390, 212861354161, 2624875417711, 32368350683761, 399547127975296, 4931913554477056, 60855630257333630, 750906862642685300 ]
[ "nonn" ]
A324732
[ 0, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 0, 1, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 0, 1, 1, 1, 0, 1, 0, 1, 1, 1, 0, 1, 1, 1, 0, 1, 1, 1, 0, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 0, 1, 1, 1, 0, 1, 1, 1, 1, 1 ]
[ "nonn" ]
A023141
[ 1, 2, 1, 4, 3, 2, 3, 8, 1, 6, 3, 4, 5, 6, 3, 12, 3, 2, 3, 12, 3, 6, 3, 8, 5, 10, 1, 12, 3, 6, 3, 16, 3, 6, 9, 4, 5, 6, 5, 24, 11, 6, 3, 12, 3, 6, 3, 12, 5, 10, 3, 20, 3, 2, 9, 24, 3, 6, 3, 12, 13, 6, 3, 20, 15, 6, 7, 12, 3, 18, 3, 8, 13, 10, 5, 12, 9, 10, 3, 44, 1, 22, 3, 12, 13, 6, 3, 24, 3, 6, 31, 12, 3 ]
[ "nonn" ]
A269540
[ 22, 418, 2878, 12214, 38878, 102202, 234358, 485038, 926854, 1661458, 2826382, 4602598, 7222798, 10980394, 16239238, 23444062, 33131638, 45942658, 62634334, 84093718, 111351742, 145597978, 188196118, 240700174, 304871398, 382695922 ]
[ "nonn" ]
A072348
[ 15, 13, 13, 15, 14, 16, 15, 15, 13, 14, 11, 10, 12, 9, 5, 12, 10, 10, 8, 8, 12, 13, 13, 13, 9, 11, 8, 12, 12, 13, 11, 10, 11, 10, 11, 9, 9, 11, 10, 12, 5, 11, 11, 12, 12, 11, 12, 10, 11, 9, 7, 10, 14, 11, 14, 11, 9, 10, 10, 11, 11, 8, 12, 10, 12, 12, 11, 13, 11, 15, 11, 11, 10, 12 ]
[ "nonn", "base" ]
A368460
[ 1, 1, 1, 1, 2, 2, 2, 3, 3, 2, 5, 3, 3, 4, 5, 4, 3, 9, 5, 4, 7, 5, 6, 14, 6, 4, 7, 3, 5, 22, 6, 6, 4, 16, 5, 12, 12, 8, 15, 13, 5, 19, 5, 10, 4, 30, 26, 10, 6, 12, 11, 5, 28, 19, 15, 20, 8, 19, 9, 7, 22 ]
[ "nonn", "more" ]
A228108
[ 4, 18, 48, 108, 204, 342, 528, 780, 1100, 1494, 1968, 2576, 3292, 4122, 5104, 6240, 7524, 8962, 10560, 12348, 14324, 16494, 18864, 21600, 24572, 27786, 31248, 34996, 39012, 43362, 48000, 52968, 58244, 63834, 69840, 76308, 83132, 90318, 97872, 105972, 114468, 123378, 132704, 142500, 152892, 163742, 175056 ]
[ "nonn", "changed" ]
A301224
[ 1, 4, 12, 24, 38, 59, 88, 119, 156, 195, 240, 292, 353, 407, 476, 543, 622, 687, 783, 873, 965, 1070, 1163, 1278, 1375, 1518, 1639, 1742, 1890, 2021, 2193, 2311, 2480, 2624, 2770, 2952, 3117, 3328, 3466, 3653, 3874, 4059, 4269, 4422, 4670, 4874, 5121 ]
[ "nonn" ]
A068800
[ 1, 2, 3, 8, 9, 5, 4, 7, 10, 12, 20, 15, 13, 27, 17, 19, 22, 25, 30, 34, 39, 29, 41, 24, 42, 69, 64, 52, 63, 47, 44, 78, 100, 61, 56, 37, 46, 83, 49, 86, 73, 122, 66, 32, 137, 108, 135, 130, 117, 262, 105, 91, 95, 166, 113, 68, 152, 129, 210, 196, 51, 205, 218 ]
[ "easy", "nonn" ]
A024672
[ 1, 3, 4, 6, 8, 10, 11, 13, 15, 17, 19, 21, 23, 24, 26, 29, 31, 33, 34, 35, 37, 40, 42, 44, 45, 47, 50, 52, 54, 56, 57, 60, 62, 65, 67, 68, 69, 71, 73, 75, 77, 80, 81, 82, 85, 87, 88, 91, 94, 95, 96, 97, 99, 101, 103, 104, 108, 110, 112, 113, 116, 117, 119, 120, 124, 126, 128, 129, 131, 132 ]
[ "nonn" ]
A068326
[ 1, 11, 1221, 13566531, 15073921825941, 1.6748802028655846e+23, 1.8609780031837967e+35, 2.0677533368708854e+51, 2.297503707634317e+69 ]
[ "nonn", "base" ]
A251413
[ 1, 3, 5, 9, 25, 21, 55, 7, 11, 35, 33, 49, 15, 77, 27, 91, 45, 13, 51, 65, 17, 39, 85, 57, 115, 19, 23, 95, 69, 125, 63, 145, 81, 29, 75, 203, 93, 119, 31, 105, 341, 87, 121, 111, 143, 37, 99, 185, 117, 155, 123, 175, 41, 133, 205, 147, 215, 141, 43, 47, 129 ]
[ "nonn" ]
A040426
[ 21, 6, 42, 6, 42, 6, 42, 6, 42, 6, 42, 6, 42, 6, 42, 6, 42, 6, 42, 6, 42, 6, 42, 6, 42, 6, 42, 6, 42, 6, 42, 6, 42, 6, 42, 6, 42, 6, 42, 6, 42, 6, 42, 6, 42, 6, 42, 6, 42, 6, 42, 6, 42, 6, 42, 6, 42, 6, 42, 6, 42, 6, 42, 6, 42, 6, 42, 6, 42, 6, 42, 6, 42, 6, 42 ]
[ "nonn", "cofr", "easy", "less" ]
A346619
[ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, 1, 1, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 1, 0, 0, 1, 0, 0, 1, 0, 1, 0, 0, 0, 0 ]
[ "nonn", "tabl" ]
A320885
[ 28, 126, 175, 280, 336, 378, 441, 560, 630, 672, 1225, 1470, 1680, 1701, 1792, 2016, 2520, 2835, 3136, 3969, 4200, 5250, 5600, 6860, 7840, 7875, 8400, 8960, 9072, 9408, 11025, 11340, 12096, 13125, 15120, 17640, 19845, 20160, 21000, 23520, 24696, 27440, 30625, 32928, 35000 ]
[ "nonn", "fini" ]
A298606
[ 1, 3, 4, 5, 6, 8, 9, 10, 12, 13, 14, 15, 17, 18, 20, 21, 22, 23, 25, 26, 27, 29, 30, 31, 32, 33, 35, 36, 37, 38, 40, 41, 42, 44, 45, 46, 47, 48, 50, 51, 52, 53, 55, 56, 57, 59, 60, 61, 62, 64, 65, 67, 68, 69, 70, 72, 73, 74, 76, 77, 78, 79, 80, 82, 83, 84, 85 ]
[ "nonn" ]
A319468
[ 0, 0, 1, 1, 2, 2, 3, 3, 4, 4, 5, 4, 5, 4, 4, 3, 3, 2, 2, 1, 1, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1 ]
[ "nonn", "look", "base" ]
A109556
[ 3, 5, 11, 17, 79, 97, 103, 109, 127, 163, 193, 223, 229, 277, 307, 313, 349, 379, 397, 439, 457, 463, 487, 499, 613, 643, 677, 727, 733, 751, 941, 947, 971, 977, 991, 1013, 1033, 1063, 1097, 1103, 1117, 1123, 1181, 1187, 1217, 1223, 1231, 1283, 1291, 1321 ]
[ "nonn", "less" ]
A040714
[ 27, 4, 5, 1, 4, 8, 1, 6, 1, 8, 4, 1, 5, 4, 54, 4, 5, 1, 4, 8, 1, 6, 1, 8, 4, 1, 5, 4, 54, 4, 5, 1, 4, 8, 1, 6, 1, 8, 4, 1, 5, 4, 54, 4, 5, 1, 4, 8, 1, 6, 1, 8, 4, 1, 5, 4, 54, 4, 5, 1, 4, 8, 1, 6, 1, 8, 4, 1, 5, 4, 54, 4, 5, 1, 4, 8, 1, 6, 1, 8, 4, 1, 5, 4, 54, 4, 5, 1, 4, 8 ]
[ "nonn", "cofr", "easy" ]
A251305
[ 3609989, 3969434142, 4336649865709, 4729336342478281, 5160035123473952000, 5.630923998265407e+21, 6.144539969766873e+24, 6.704738093791105e+27, 7.315918137332464e+30 ]
[ "nonn" ]
A347670
[ 5, 18, 1011 ]
[ "nonn", "bref", "more" ]
A276688
[ 0, 0, 1, 8, 5, -220, 1895, -9140, -302175, -2778300, -95631825, -10071428100, -236788407375, 57706241794500, -7412904844112625, 525300693117661500, 348922898045520800000, 5.5166584329677385e+22, 2.8368558145043152e+25, 4.6873210124734e+28 ]
[ "sign" ]
A013045
[ 2, -5, -71, -863, -11207, 103541, 49174077, 8312033249, 1398228044113, 258914411211565, 53899233359866410, 12606603233467212000, 3.280372963135603e+21, 9.339106042947664e+23 ]
[ "sign" ]
A221382
[ 0, 1, 4, 25, 189, 1156, 6996, 43681, 268632, 1664100, 10278914, 63568729, 392903168, 2429109796 ]
[ "nonn", "more" ]
A091521
[ 1, 4, 12, 28, 84, 212, 632, 1544, 4584, 11220, 33060, 80152, 234648, 565192, 1643552, 3926832, 11337422, 26852656, 76981660 ]
[ "fini", "hard", "more", "nonn" ]
A361020
[ 1, 2, 3, 4, 2, 5, 6, 7, 3, 4, 5, 8, 4, 9, 10, 11, 2, 5, 6, 7, 5, 8, 9, 12, 6, 7, 8, 13, 7, 14, 15, 16, 3, 4, 5, 8, 4, 9, 10, 11, 5, 8, 9, 12, 8, 13, 14, 17, 4, 9, 10, 11, 9, 12, 13, 18, 10, 11, 12, 19, 11, 20, 21, 22, 2, 5, 6, 7, 5, 8, 9, 12, 6, 7, 8, 13, 7, 14, 15, 16, 5, 8, 9, 12, 8, 13, 14, 17, 9, 12, 13, 18, 12, 19, 20, 23, 6, 7, 8 ]
[ "nonn", "look" ]
A321515
[ 1, 1, 3, 19, 137, 1209, 12899, 160395, 2276229, 36323217, 643848837, 12551081501, 266868756473, 6146455542737, 152439235077709, 4050427673024753, 114791270281213220, 3456412742412517000, 110191808168628500000, 3.7080048062621963e+21, 1.3133970121796867e+23 ]
[ "nonn" ]
A189357
[ 1, 1, 1, 1, 2, 1, 3, 1, 4, 2, 5, 2, 7, 3, 8, 4, 11, 5, 13, 6, 17, 8, 20, 9, 26, 12, 30, 14, 38, 17, 45, 20, 55, 25, 64, 29, 79, 35, 91, 41, 110, 49, 128, 57, 152, 68, 176, 78, 209, 93, 240, 107, 282, 125, 325, 144, 379, 168, 434, 192, 505, 223, 576, 255, 666, 294, 760, 335, 873, 385, 993, 437, 1139 ]
[ "nonn" ]
A207291
[ 1, 2, 2, 3, 4, 4, 5, 4, 5, 6, 6, 7, 6, 6, 7, 7, 8, 9, 7, 8, 11, 9, 10, 8, 10, 11, 14, 10, 11, 11, 13, 12, 12, 12, 16, 12, 12, 12, 12, 11, 14, 13, 12, 15, 15, 16, 14, 19, 16, 16, 16, 14, 20, 16, 15, 21, 16, 16, 19, 17, 15, 18, 22, 20, 17, 17, 18, 16, 17, 17 ]
[ "nonn" ]
A151834
[ 1, 8, 120, 2276, 49204, 1156688, 28831384, 750455268, 20196669078, 558157620384, 15762232227968, 453181069339660, 13228272325440164, 391166062869849000 ]
[ "nonn", "more" ]
A225974
[ 0, 10, 25, 5, 8, 6, 3, 2 ]
[ "nonn", "fini", "base" ]
A079129
[ 1, 1, 2, 6, 21, 105, 530, 3710, 27265, 229705, 2083354, 24025694, 263359173, 3457302849, 44575118874, 600902614598, 9242750538593, 169974915437041, 2905860232733458, 56257078771371480, 1041600031067604500, 19990420041926340000, 419763750266646300000 ]
[ "nonn" ]
A004410
[ 1, -18, 180, -1320, 7902, -40824, 188232, -792000, 3088980, -11297546, 39090312, -128849976, 406865880, -1236379320, 3629385936, -10324840512, 28542038238, -76852151280, 201967043260, -518957929080, 1305848905416 ]
[ "sign" ]
A133604
[ 2, 4, 8, 21, 66, 97, 204, 565, 662, 775, 970, 1821, 2780, 6374, 8730, 8942, 10898, 24596, 55307, 67189, 79047, 84345, 164868, 231694, 233570, 234619, 271511, 298414, 433973, 474668, 475800, 567408, 829129, 839728, 889285, 1394240 ]
[ "nonn" ]
A061929
[ 1, 3, 6, 9, 24, 28, 27, 90, 132, 120, 81, 324, 576, 624, 496, 243, 1134, 2376, 3024, 2736, 2016, 729, 3888, 9396, 13824, 14256, 11520, 8128, 2187, 13122, 35964, 60264, 70416, 63072, 47424, 32640, 6561, 43740, 134136, 252720, 331776, 330048, 268416 ]
[ "nonn", "tabl" ]
A120056
[ 1, 1, 1, 3, 14, 91, 737, 7096, 78766, 987842, 13797282, 212285511, 3567147508, 65001800879, 1276876433466, 26901212485406, 605144725934525, 14477882030623892, 367106501841287500, 9834718739970492000 ]
[ "nonn" ]
A082851
[ 1, 2, 4, 5, 6, 8, 11, 12, 13, 15, 16, 17, 19, 22, 26, 27, 28, 30, 31, 32, 34, 37, 38, 39, 41, 42, 43, 45, 48, 52, 57, 58, 59, 61, 62, 63, 65, 68, 69, 70, 72, 73, 74, 76, 79, 83, 84, 85, 87, 88, 89, 91, 94, 95, 96, 98, 99, 100, 102, 105, 109, 114, 120, 121, 122, 124, 125, 126 ]
[ "nonn", "easy" ]