id
stringlengths
7
11
seq
listlengths
1
347
keywords
listlengths
1
8
A297975
[ 0, 17, 124, 1042, 18037, 242401, 3565760, 52222182, 765460393, 11253972992, 165400929373, 2431933880974, 35759258361744, 525820993876810, 7732091729068983, 113699273672915800, 1671937140248538400 ]
[ "nonn" ]
A031441
[ 3, 5, 7, 17, 11, 19, 23, 109, 17, 11, 19, 23, 109, 17, 11, 19, 23, 109, 17, 11, 19, 23, 109, 17, 11, 19, 23, 109, 17, 11, 19, 23, 109, 17, 11, 19, 23, 109, 17, 11, 19, 23, 109, 17, 11, 19, 23, 109, 17, 11, 19, 23, 109, 17, 11, 19, 23, 109, 17, 11, 19, 23, 109, 17, 11, 19, 23 ]
[ "nonn", "easy", "nice" ]
A344657
[ 3, 10, 85, 310, 999, 2299, 4674, 8878, 14539, 23116, 35922, 53830, 74685, 106957, 140887, 183718, 240108, 315997, 392049, 497518, 599596, 730762, 888903, 1083277, 1257270, 1502830, 1760371, 2047792, 2362620, 2771437, 3129933, 3629443, 4107994, 4670305, 5245447, 5921755 ]
[ "nonn" ]
A100373
[ 4, 6, 8, 9, 10, 22, 30, 42, 50, 62, 70, 81, 90, 111, 200, 314, 500, 611, 700, 812, 900, 1111, 2000, 3111, 4000, 5111, 6000, 7111, 8000, 9111, 20000, 31111, 40000, 51111, 60000, 71111, 80000, 91111, 200000, 311113, 400000, 511112, 600000, 711111 ]
[ "base", "nonn" ]
A315378
[ 1, 6, 11, 14, 17, 28, 30, 40, 43, 44, 49, 64, 62, 74, 77, 72, 81, 98, 94, 108, 109, 100, 113, 132, 126, 142, 141, 128, 145, 166, 158, 176, 173, 156, 177, 200, 190, 210, 205, 184, 209, 234, 222, 244, 237, 212, 241, 268, 254, 278 ]
[ "nonn" ]
A353856
[ 1, 0, 1, 0, 2, 0, 0, 2, 2, 0, 0, 5, 2, 1, 0, 0, 2, 12, 2, 0, 0, 0, 8, 10, 12, 2, 0, 0, 0, 2, 32, 23, 6, 1, 0, 0, 0, 20, 26, 51, 28, 3, 0, 0, 0, 0, 5, 66, 109, 52, 22, 2, 0, 0, 0, 0, 8, 108, 144, 188, 53, 10, 1, 0, 0, 0, 0, 2, 134, 358, 282, 196, 48, 4, 0, 0, 0, 0 ]
[ "nonn", "tabl" ]
A202311
[ 333, 1530, 7835, 41657, 226004, 1235783, 6782829, 37288278, 205145785, 1129013615, 6214483528, 34209181595, 188319539951, 1036704795848, 5707135200185, 31418307187167, 172960983499418, 952168615072689 ]
[ "nonn" ]
A008789
[ 0, 1, 32, 729, 16384, 390625, 10077696, 282475249, 8589934592, 282429536481, 10000000000000, 379749833583241, 15407021574586368, 665416609183179900, 30491346729331196000, 1.4778918800354003e+21, 7.555786372591432e+22 ]
[ "nonn", "easy" ]
A341357
[ 5, 11, 17, 41, 101, 107, 191, 227, 311, 347, 461, 467, 641, 821, 857, 881, 1091, 1277, 1301, 1427, 1481, 1487, 1511, 1607, 1811, 1871, 1997, 2081, 2237, 2267, 2447, 2657, 2687, 3251, 3461, 3527, 3671, 3917, 4001, 4127, 4517, 4637, 4787, 4931, 4967, 5039, 5231, 5477, 5501, 5651, 6101, 6197, 6827 ]
[ "nonn" ]
A384149
[ 1, 3, 1, 3, 7, 1, 5, 12, 1, 7, 15, 1, 3, 9, 3, 15, 1, 11, 28, 1, 13, 3, 21, 1, 8, 15, 31, 1, 17, 39, 1, 19, 42, 1, 3, 7, 21, 3, 33, 1, 23, 60, 1, 5, 25, 3, 39, 1, 3, 9, 27, 56, 1, 29, 72, 1, 31, 63, 1, 3, 11, 33, 3, 51, 1, 12, 35, 91, 1, 37, 3, 57, 1, 3, 13, 39, 90, 1, 41, 96, 1, 43, 7, 77, 1, 32, 45 ]
[ "nonn", "easy", "tabf" ]
A098411
[ 1, 8, 72, 704, 7264, 77568, 847104, 9394176, 105334272, 1190899712, 13551235072, 154997784576, 1780378353664, 20522842062848, 237284128063488, 2750571189633024, 31956067676454910, 371997834879172600, 4337957919010062300, 50664706036388070000, 592558533060795000000 ]
[ "easy", "nonn" ]
A336717
[ 0, 1, 3, 4, 6, 5, 9, 7, 6, 8, 9, 8, 9, 7, 9, 10, 9, 10, 9, 10, 12, 8, 12, 10, 12, 10, 12, 11, 12, 10, 12, 11, 12, 13, 9, 13, 12, 11, 15, 11, 12, 11, 15, 13, 12, 13, 12, 11, 15, 13, 12, 13, 15, 13, 15, 10, 15, 13, 15, 13, 12, 14, 15, 14, 12, 13, 12, 14, 15, 14 ]
[ "nonn" ]
A293015
[ 1, 1, -1, 1, -1, 0, 1, 0, -1, 1, 1, 0, -1, 2, 1, 1, 0, 0, -3, 9, -2, 1, 0, 0, -1, -3, 4, -9, 1, 0, 0, 0, -4, 20, -95, -9, 1, 0, 0, 0, -1, -10, 150, -414, 50, 1, 0, 0, 0, 0, -5, -10, 504, 49, 267, 1, 0, 0, 0, 0, -1, -15, 105, -343, 10088, 413, 1, 0, 0, 0, 0, 0, -6 ]
[ "sign", "tabl" ]
A109619
[ 2, 5, 3, 17, 0, 13, 11, 0, 7, 5, 3, 97, 23, 0, 19, 17, 0, 13, 11, 0, 7, 5, 3, 73, 71, 0, 67, 113, 0, 61, 59, 0, 103, 53, 0, 97, 47, 0, 43, 41, 0, 37, 83, 0, 31, 29, 0, 73, 23, 0, 19, 17, 0, 13, 11, 0, 7, 5, 3, 241, 47, 0, 43, 41, 0, 37, 227, 0, 31, 29, 0, 0, 23, 0, 19, 17 ]
[ "nonn", "look" ]
A356335
[ 1, 1, 6, 39, 332, 3290, 38994, 517986, 7762880, 128029464, 2311675560, 45188359920, 952047539112, 21452758881528, 515073388373712, 13114579450948920, 352881761400606700, 10000259978380933000, 297654582665846500000, 9.280441162956639e+21 ]
[ "nonn" ]
A088933
[ 0, 0, 0, 1, 1, 4, 3, 13, 21 ]
[ "nonn", "more" ]
A226095
[ 13, 1213, 17, 23, 2213, 113, 1217, 1223, 12113, 131, 137, 12119, 22111, 3217, 167, 173, 179, 43, 221317, 12143, 22123, 197, 1103, 1109, 4217, 22129, 17117, 211, 12161, 32117, 13147, 1327, 1151, 32119, 23117, 15131, 17123, 1163, 1213129, 13159, 1181, 1217113 ]
[ "easy", "nonn", "base" ]
A032531
[ 0, 1, 1, 1, 3, 0, 2, 3, 1, 2, 2, 4, 3, 3, 1, 2, 5, 4, 4, 3, 1, 2, 6, 5, 5, 3, 3, 1, 2, 7, 6, 7, 3, 3, 2, 2, 2, 7, 9, 9, 3, 3, 2, 3, 0, 3, 7, 10, 13, 3, 3, 2, 4, 0, 2, 4, 7, 12, 15, 5, 4, 2, 5, 0, 2, 1, 5, 8, 14, 15, 6, 6, 4, 5, 1, 2, 1, 0, 6, 10, 15, 15, 7, 7, 5, 7, 1, 2, 2, 0, 1, 7, 12, 17 ]
[ "nonn", "tabl", "look" ]
A146839
[ 1, 1, 1, 17, 53, 329, 2805, 46829, 1364733, 44089225, 1990990191, 141312602855, 15682635595595 ]
[ "nonn" ]
A228165
[ 1, 1, 3, 9, 10, 9, 3, 1, 1, 3, 21, 55, 135, 198, 246, 198, 135, 55, 21, 3, 1, 1, 6, 48, 218, 813, 2196, 4767, 8070, 11139, 12300, 11139, 8070, 4767, 2196, 813, 218, 48, 6, 1, 1, 6, 78, 506, 2706, 10626, 33814, 86526, 184239, 326876, 490908, 624036, 676732, 624036, 490908, 326876, 184239, 86526, 33814, 10626, 2706, 506, 78, 6, 1 ]
[ "nonn", "tabf" ]
A307706
[ 0, 0, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 2, 1, 1, 1, 2, 1, 1, 1, 2, 1, 2, 1, 2, 1, 1, 1, 3, 1, 1, 2, 2, 1, 1, 1, 2, 2, 1, 1, 3, 1, 2, 1, 2, 1, 2, 1, 2, 2, 2, 1, 2, 1, 1, 2, 2, 1, 3, 1, 2, 1, 1, 2, 3, 1, 2, 2, 3, 1, 1, 1, 2, 2, 2, 1, 3, 1, 2, 1, 2, 1, 3, 2, 2, 2, 1, 1, 3, 1, 2, 2, 2, 2, 2, 1, 2, 1, 2, 1, 4, 1 ]
[ "nonn" ]
A235240
[ 210, 3146, 31858, 338282, 2965442, 28726138, 243061138, 2245014658 ]
[ "nonn" ]
A068727
[ 1, 5, 247, 160403, 1305759171, 134771061592765, 176541437214450480000, 2.9400556158899044e+27, 6.231128429261517e+35 ]
[ "nonn", "more" ]
A245197
[ 1, 8, 85, 125, 365, 445, 533, 629, 965, 1685, 1800, 1853, 2340, 2605, 2813, 3029, 3973, 4765, 5045, 5220, 5629, 5933, 6245, 6893, 8285, 8653, 11029, 11453, 11885, 12773, 14165, 15133, 16645, 17165, 17460, 17693, 20453, 21029, 22205, 22805, 23413, 24653, 27229 ]
[ "nonn" ]
A185946
[ 1, 1, 1, 1, 4, 1, 1, 21, 9, 1, 1, 184, 90, 16, 1, 1, 2425, 1210, 250, 25, 1, 1, 42396, 21195, 4640, 555, 36, 1, 1, 916909, 458451, 103355, 13475, 1071, 49, 1, 1, 23569456, 11784724, 2705696, 370790, 32816, 1876, 64, 1, 1, 701312049, 350656020, 81531156, 11544246, 1091286, 70644, 3060, 81, 1, 1, 23697421300, 11848710645, 2780716800, 402965850, 39827592, 2789850, 138720, 4725, 100, 1 ]
[ "nonn", "tabl" ]
A131534
[ 1, 2, 1, 1, 2, 1, 1, 2, 1, 1, 2, 1, 1, 2, 1, 1, 2, 1, 1, 2, 1, 1, 2, 1, 1, 2, 1, 1, 2, 1, 1, 2, 1, 1, 2, 1, 1, 2, 1, 1, 2, 1, 1, 2, 1, 1, 2, 1, 1, 2, 1, 1, 2, 1, 1, 2, 1, 1, 2, 1, 1, 2, 1, 1, 2, 1, 1, 2, 1, 1, 2, 1, 1, 2, 1, 1, 2, 1, 1, 2, 1, 1, 2, 1, 1, 2, 1, 1, 2, 1, 1, 2, 1, 1, 2, 1, 1, 2, 1, 1, 2, 1, 1, 2, 1 ]
[ "nonn", "easy" ]
A309342
[ 0, 0, 1, 0, 2, 1, 2, 2, 3, 1, 7, 1, 11, 2, 5, 5, 7, 7, 9, 0, 12, 1, 30, 2, 12, 2, 14, 4, 3, 26, 4, 4, 5, 15, 13, 7, 24, 0, 34, 0, 39, 2, 27, 3, 45, 3, 49, 0, 49, 1, 89, 2, 36, 2, 39, 3, 60, 3, 66, 1, 112, 2, 45, 4, 19, 6, 26, 6, 28, 6, 30, 12, 12, 13, 20, 4 ]
[ "nonn", "base" ]
A104047
[ 19, 67, 79, 199, 547, 619, 739, 1459, 1759, 3319, 3739, 4027, 4567, 5107, 5419, 6367, 7219, 8719, 9187, 9907, 10459, 10867, 11119, 12547, 13099, 14827, 15739, 16927, 17047, 18307, 21319, 25939, 27259, 27367, 31327, 33967, 37579, 38839, 38959 ]
[ "easy", "nonn" ]
A366139
[ 0, 1, 2, 3, 1, 6, 6, 7, 8, 3, 10, 13, 12, 11, 11, 15, 1, 6, 20, 25, 20, 11, 26, 29, 12, 25, 21, 15, 7, 30, 30, 31, 2, 12, 40, 49, 36, 11, 26, 60, 10, 52, 42, 23, 50, 45, 43, 55, 48, 35, 11, 30, 13, 58, 54, 47, 35, 15, 46, 61, 60, 59, 59, 63, 1, 6, 20, 56, 17, 98 ]
[ "nonn", "base", "easy", "look" ]
A182479
[ 83, 179, 227, 347, 419, 467, 491, 563, 587, 659, 827, 971, 1019, 1091, 1259, 1427, 1499, 1667, 1811, 1907, 1979, 2027, 2243, 2267, 2339, 2531, 2579, 2699, 2819, 2843, 2939, 3347, 3539, 3659, 3779, 3851, 4019, 4091, 4259, 4451, 4523, 4547, 4691, 4787, 5099 ]
[ "nonn" ]
A033610
[ 1, 4, 9, 16, 25, 38, 58, 84, 111, 135, 157, 182, 215, 259, 313, 369, 420, 468, 519, 577, 641, 711, 788, 866, 936, 994, 1050, 1125, 1232, 1363, 1491, 1589, 1654, 1709, 1784, 1900, 2056, 2227, 2378, 2488, 2572, 2662, 2779, 2928, 3097, 3270, 3433, 3574, 3693 ]
[ "nonn" ]
A286267
[ 1, 2, 3, 4, 5, 7, 9, 11, 13, 17, 23, 29, 37, 41, 47, 53, 59, 67, 71, 73, 79, 83, 89, 97, 101, 107, 127, 131, 137, 149, 167, 179, 221, 223, 227, 233, 251, 257, 289, 317, 347, 353, 359, 383, 389, 431, 443, 449, 461, 467, 503, 557, 563, 569, 587, 641, 677, 697 ]
[ "nonn" ]
A027415
[ 0, 1, 1, 3, 6, 17, 37, 102, 239, 658, 1607, 4425, 11185, 30990, 80070, 222731, 586218, 1638333, 4370721, 12262003, 33077327, 93128828, 253454781, 715784848, 1962537755, 5557799401, 15332668869, 43527249088, 120716987723 ]
[ "nonn" ]
A220917
[ 1, 8, 37, 165, 749, 3279, 13865, 57374, 233955, 945919, 3806673, 15279785, 61241380, 245248287, 981633428, 3927941234, 15714642964, 62863639188, 251459531333, 1005822291342, 4023141288428, 16091775934984, 64363479233826 ]
[ "nonn" ]
A245424
[ 1, 1, 2, 2, 1, -1, -2, -3, -2, 1, 4, 6, 5, 1, -5, -11, -12, -7, 3, 15, 22, 19, 5, -15, -32, -36, -22, 8, 40, 58, 50, 12, -41, -84, -93, -54, 22, 103, 148, 124, 32, -96, -200, -219, -128, 46, 231, 330, 275, 67, -216, -439, -477, -275, 107, 501, 708, 590, 146 ]
[ "sign" ]
A191808
[ 1, 1, 2, 67, 2941, 327868, 75504909, 23827165139, 14250056009694, 12425294009958328, 14645969719539739000, 2.60396320875323e+22, 6.186150637251999e+25, 1.8888532358877905e+29 ]
[ "nonn" ]
A233996
[ 1995424, 4923910, 11510748, 39038268, 117312896, 533896296, 1997753492, 12585162304, 57382924232 ]
[ "nonn" ]
A166754
[ 1, 2, 9, 22, 53, 114, 241, 494, 1005, 2026, 4073, 8166, 16357, 32738, 65505, 131038, 262109, 524250, 1048537, 2097110, 4194261, 8388562, 16777169, 33554382, 67108813, 134217674, 268435401, 536870854, 1073741765, 2147483586 ]
[ "easy", "nonn" ]
A287164
[ 2, 3, 5, 11, 13, 19, 37, 43, 67, 163 ]
[ "nonn", "more" ]
A330925
[ 0, 0, 0, 1, 0, 2, 2, 3, 0, 4, 4, 6, 4, 6, 6, 9, 0, 8, 8, 12, 8, 12, 12, 15, 8, 12, 12, 18, 12, 18, 18, 21, 0, 16, 16, 24, 16, 24, 24, 28, 16, 24, 24, 30, 24, 30, 30, 35, 16, 24, 24, 36, 24, 36, 36, 42, 24, 36, 36, 42, 36, 42, 42, 49, 0, 32, 32, 48, 32, 48, 48 ]
[ "nonn", "base" ]
A194603
[ 2, 3, 2, 3, 11, 5, 13, 7, 17, 11, 23, 11, 53, 13, 29, 17, 67, 17, 37, 19, 41, 23, 47, 23, 101, 53, 53, 29, 59, 29, 61, 31, 67, 67, 71, 37, 73, 37, 79, 41, 83, 41, 173, 43, 89, 47, 751, 47, 97, 101, 101, 53, 107, 53, 109, 113, 113, 59, 1889, 59, 487, 61, 127 ]
[ "nonn" ]
A273011
[ 1, 2, 3, 4, 5, 6, 8, 10, 12, 14, 15, 18, 20, 21, 22, 24, 30, 40, 42, 54, 56, 60, 66, 70, 72, 78, 84, 88, 90, 96, 102, 104, 105, 108, 110, 114, 120, 168, 210, 216, 264, 270, 280, 312, 330, 360, 378, 384, 390, 408, 420, 440, 456, 462, 480, 504, 510, 520, 540, 546, 552, 570, 594, 600, 616 ]
[ "nonn" ]
A197835
[ 3, 7, 0, 4, 4, 9, 4, 4, 4, 1, 4, 8, 2, 7, 9, 8, 5, 5, 1, 4, 3, 8, 9, 5, 5, 1, 3, 0, 6, 3, 6, 4, 4, 2, 7, 7, 7, 7, 3, 3, 3, 5, 9, 4, 6, 2, 6, 7, 4, 6, 8, 3, 6, 5, 1, 4, 3, 0, 8, 1, 8, 1, 7, 8, 4, 3, 4, 4, 4, 4, 6, 0, 1, 2, 4, 0, 8, 0, 8, 2, 3, 6, 2, 5, 7, 6, 5, 5, 7, 3, 5, 5, 0, 9, 0, 9, 9, 9, 4 ]
[ "nonn", "cons" ]
A144571
[ 17, 1601, 8837, 16901, 33857, 65537, 160001, 190097, 240101, 295937, 401957, 577601, 1136357, 1336337, 1378277, 1464101, 1552517, 1833317, 2464901, 2755601, 3519377, 3587237, 3865157, 4227137, 4301477, 5410277, 5664401, 6100901 ]
[ "nonn", "easy" ]
A114132
[ 8, 9, 6125, 8575, 10976, 11907, 16000, 31104, 54675, 69984, 134456, 151263, 625000, 703125, 3780549773, 4467922459, 9335643317, 15409773379, 17337623303, 17573359375, 20768515625, 24215358167, 45290118016, 59524932753 ]
[ "nonn" ]
A003050
[ 1, 1, 2, 2, 2, 3, 3, 4, 3, 4, 3, 6, 4, 5, 6, 6, 4, 7, 5, 8, 8, 7, 5, 12, 6, 8, 7, 10, 6, 14, 7, 10, 10, 10, 10, 14, 8, 11, 12, 16, 8, 18, 9, 14, 14, 13, 9, 20, 11, 16, 14, 16, 10, 19, 14, 20, 16, 16, 11, 28, 12, 17, 18, 18, 16, 26, 13, 20, 18, 26, 13, 28 ]
[ "nonn", "nice" ]
A207106
[ 6, 36, 98, 200, 350, 556, 826, 1168, 1590, 2100, 2706, 3416, 4238, 5180, 6250, 7456, 8806, 10308, 11970, 13800, 15806, 17996, 20378, 22960, 25750, 28756, 31986, 35448, 39150, 43100, 47306, 51776, 56518, 61540, 66850, 72456, 78366, 84588, 91130, 98000 ]
[ "nonn" ]
A038813
[ 1229, 2262, 3245, 4203, 5133, 6057, 6935, 7837, 8713, 9592, 10453, 11301, 12159, 13010, 13848, 14683, 15497, 16342, 17170, 17984, 18807, 19618, 20437, 21221, 22044, 22837, 23642, 24432, 25224, 25997, 26800, 27608, 28404, 29182, 29977 ]
[ "nonn" ]
A284582
[ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 2, 1, 1, 1, 2, 1, 2, 2, 2, 1, 1, 1, 3, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 3, 1, 1, 1, 2, 2, 2, 1, 2, 1, 1, 1, 2, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 2, 2, 2, 2, 1, 2, 1, 1, 2, 1, 1, 1, 1, 3, 1, 2, 1, 1, 1, 1, 1 ]
[ "nonn", "base" ]
A225737
[ 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 22, 24, 26, 27, 28, 30, 32, 33, 34, 35, 36, 38, 39, 40, 42, 44, 45, 46, 48, 50, 51, 52, 54, 55, 56, 60, 63, 64, 66, 68, 70, 72, 75, 76, 78, 80, 81, 84, 88, 90, 92, 96, 98, 99, 100, 102, 104, 105, 108, 110 ]
[ "nonn", "fini", "full" ]
A007407
[ 1, 4, 36, 144, 3600, 3600, 176400, 705600, 6350400, 1270080, 153679680, 153679680, 25971865920, 25971865920, 129859329600, 519437318400, 150117385017600, 150117385017600, 54192375991353600, 10838475198270720, 221193371393280 ]
[ "nonn", "easy", "frac", "nice" ]
A106779
[ 598999, 599899, 679999, 688999, 697999, 698899, 769999, 779899, 787999, 789979, 798799, 799789, 868999, 869899, 869989, 878989, 879799, 879979, 886999, 887989, 888799, 888997, 889699, 889879, 898897, 898987, 899779, 967999, 969889, 978799 ]
[ "nonn", "base" ]
A327139
[ 1, 4, 7, 10, 13, 16, 19, 23, 26, 29, 32, 35, 38, 41, 45, 48, 51, 54, 57, 60, 63, 67, 70, 73, 76, 79, 82, 85, 89, 92, 95, 98, 101, 104, 107, 111, 114, 117, 120, 123, 126, 129, 133, 136, 139, 142, 145, 148, 151, 155, 158, 161, 164, 167, 170, 173, 176, 180, 183 ]
[ "nonn", "easy" ]
A387390
[ 3, 17, 443, 3907, 18911, 50929 ]
[ "nonn", "hard", "more" ]
A237041
[ 6724, 6725, 6726, 6727, 7844, 7845, 7846, 7847, 8964, 8965, 8966, 8967, 12832, 12833, 12834, 12835, 12836, 12837, 12838, 12839, 12840, 12841, 12842, 12843, 12844, 12845, 12846, 12847, 12848, 12849, 12850, 12851, 12852, 12853, 12854, 12855, 12856, 12857, 12858 ]
[ "nonn", "base" ]
A048371
[ 4, 55, 36, 716, 1188, 4055, 13832, 18821, 190806, 1542023, 3971816, 13881356, 55009989, 154057624, 551727536, 1881662989, 4014051821, 15448244536, 185043243523, 405480132286, 550651031786, 4425284190954, 4881712198556 ]
[ "nonn", "base", "more" ]
A290772
[ 1, 2, 24, 12, 2640, 7536, 9408, 2688, 208445760, 1082368560, 4312566720, 12473296800, 24050669760, 27034640640, 13900259520, 1813091520 ]
[ "nonn", "hard", "more" ]
A340214
[ 3, 55, 4, 30, 37, 11, 25, 363, 31, 13, 312, 10, 78, 16, 67, 53, 243, 26, 35, 74, 39, 235, 709, 102, 224, 1192, 33, 207, 103, 94, 192, 940, 19, 833, 633, 99, 64, 680, 261, 434, 3994, 105, 743, 988, 68, 367, 168, 440, 177, 1874, 36, 567, 3810, 468, 250, 1006, 52, 226, 1514, 38, 1313, 3277, 160, 737 ]
[ "nonn" ]
A177178
[ 1, 8, 17, 100, 475, 2843, 16691, 105026, 668777, 4379697, 29069769, 195897417, 1334255973, 9178287643, 63648492949, 444568586864, 3124500279731, 22080853944311, 156808387564259, 1118463885704019, 8009066218515015 ]
[ "easy", "nonn" ]
A239812
[ 2, 5, 11, 25, 57, 129, 293, 665, 1509, 3425, 7773, 17641, 40037, 90865, 206221, 468025, 1062197, 2410689, 5471133, 12416905, 28180549, 63956625, 145151533, 329425881, 747642197, 1696797025, 3850933181, 8739811625, 19835272037, 45016761649 ]
[ "nonn" ]
A046654
[ 0, 0, 1, 2, 3, 5, 7, 9, 11, 13, 15, 18, 20, 23, 25, 28, 31, 34, 36, 39, 42, 45, 48, 52, 55, 58, 61, 65, 68, 71, 75, 78, 82, 85, 89, 92, 96, 99, 103, 107, 110, 114, 118, 122, 125, 129, 133, 137, 141, 145, 148, 152, 156, 160, 164, 168, 172, 176, 180 ]
[ "nonn" ]
A111002
[ 1, 3, 7, 91, 21, 31, 43, 57, 73, 91, 777, 133, 157, 183, 211, 241, 273, 2149, 343, 381, 421, 463, 507, 553, 4207, 651, 703, 757, 813, 871, 931, 6951, 1057, 1123, 1191, 1261, 1333, 1407, 10381, 1561, 1641, 1723, 1807, 1893, 1981, 14497, 2163, 2257, 2353 ]
[ "easy", "nonn" ]
A198260
[ 1, 1, 2, 2, 1, 2, 2, 2, 2, 4, 3, 2, 3, 4, 2, 1, 2, 2, 2, 2, 4, 3, 2, 4, 4, 2, 2, 2, 4, 4, 4, 3, 2, 4, 4, 4, 4, 2, 4, 3, 2, 4, 4, 4, 4, 4, 8, 7, 3, 5, 6, 2, 3, 4, 4, 4, 4, 6, 5, 4, 7, 8, 2, 3, 4, 2, 1, 2, 2, 2, 2, 4, 3, 2, 4, 4, 2, 2, 2, 4, 4, 4, 3, 2, 4, 4, 4, 4, 2, 4, 3, 2, 4, 4 ]
[ "nonn" ]
A244612
[ 1, 0, 0, 1, 0, -1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, -1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, -1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, -1, 0, 0, 0, 1, 0, 0, 0, 0, 0 ]
[ "sign" ]
A376192
[ 2, 8, 18, 40, 84, 162, 321, 649, 1286, 2550, 5096, 10188, 20406, 40883, 81932, 164190, 328490, 657509, 1316258, 2635513, 5276876, 10565366, 21155215, 42355195, 84797387, 169759097 ]
[ "nonn", "more" ]
A081882
[ 2, 8, 1, 2, 3, 2, 1, 4, 2, 3, 1, 4, 8, 3, 1, 4, 2, 4, 1, 2, 3, 2, 1, 5, 2, 5, 1, 3, 4, 6, 1, 8, 2, 5, 1, 2, 3, 2, 1, 3, 2, 6, 1, 5, 5, 3, 1, 3, 2, 3, 1, 2, 3, 2, 1, 8, 2, 7, 1, 3, 4, 4, 1, 4, 2, 4, 1, 2, 3, 2, 1, 5, 2, 3, 1, 4, 6, 3, 1, 5, 2, 8, 1, 2, 3, 2, 1, 6, 2, 4, 1, 3, 4, 5, 1, 4, 2, 4, 1, 2, 3, 2, 1, 3, 2 ]
[ "nonn" ]
A076118
[ 0, 1, 1, -1, -3, -2, 2, 5, 3, -3, -7, -4, 4, 9, 5, -5, -11, -6, 6, 13, 7, -7, -15, -8, 8, 17, 9, -9, -19, -10, 10, 21, 11, -11, -23, -12, 12, 25, 13, -13, -27, -14, 14, 29, 15, -15, -31, -16, 16, 33, 17, -17, -35, -18, 18, 37, 19, -19, -39, -20, 20, 41, 21, -21, -43, -22, 22, 45, 23, -23, -47, -24, 24, 49, 25, -25, -51, -26, 26 ]
[ "sign", "easy" ]
A133276
[ 2, 2, 3, 3, 5, 7, 5, 11, 17, 23, 5, 11, 17, 23, 29, 7, 37, 67, 97, 127, 157, 7, 157, 307, 457, 607, 757, 907, 199, 409, 619, 829, 1039, 1249, 1459, 1669, 199, 409, 619, 829, 1039, 1249, 1459, 1669, 1879, 199, 409, 619, 829, 1039, 1249, 1459, 1669, 1879, 2089, 60858179, 60860489, 60862799, 60865109, 60867419, 60869729, 60872039, 60874349, 60876659, 60878969, 60881279 ]
[ "nonn", "tabl" ]
A007422
[ 1, 6, 8, 10, 14, 15, 21, 22, 26, 27, 33, 34, 35, 38, 39, 46, 51, 55, 57, 58, 62, 65, 69, 74, 77, 82, 85, 86, 87, 91, 93, 94, 95, 106, 111, 115, 118, 119, 122, 123, 125, 129, 133, 134, 141, 142, 143, 145, 146, 155, 158, 159, 161, 166, 177, 178, 183, 185, 187 ]
[ "nonn", "nice", "easy", "changed" ]
A335464
[ 0, 0, 0, 1, 1, 3, 8, 18, 39, 86, 188, 406, 865, 1836, 3874, 8135, 17003, 35413, 73516, 152171, 314151, 647051, 1329936, 2728341, 5587493, 11424941, 23327502, 47567628, 96879029, 197090007, 400546603, 813258276, 1649761070, 3343936929, 6772740076, 13707639491 ]
[ "nonn" ]
A136491
[ 11, 13, 19, 21, 22, 25, 26, 27, 35, 37, 38, 42, 43, 44, 45, 46, 47, 49, 50, 51, 52, 53, 54, 55, 57, 59, 61, 67, 69, 70, 71, 73, 74, 75, 76, 77, 78, 79, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 92, 93, 94, 95, 97, 98, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, 110 ]
[ "nonn", "easy", "base" ]
A052875
[ 0, 0, 2, 12, 74, 540, 4682, 47292, 545834, 7087260, 102247562, 1622632572, 28091567594, 526858348380, 10641342970442, 230283190977852, 5315654681981354, 130370767029135900, 3385534663256845300, 92801587319328400000, 2.677687796244384e+21, 8.112482499850408e+22 ]
[ "easy", "nonn" ]
A303049
[ 4, 32, 370, 10102, 547888, 57177700, 11840492228, 4851988794700, 3925043687686610, 6272313979455281000, 1.9802247395866118e+22, 1.23501868366553e+26, 1.521619453753652e+30, 3.7035171896737433e+34, 1.780729821252117e+39 ]
[ "nonn" ]
A269527
[ 1, 5, 1082401, 3501192601, 1100586419201, 95397958987501, 3656628685521505, 79797014141614000, 1152956690052710400, 12157871353675866000, 100001000010000100000, 672754172206667000000, 3.833775399530967e+21, 1.900501496091167e+22, 8.366841099366961e+22 ]
[ "nonn", "easy" ]
A328899
[ 1, 2, 3, 6, 12, 18, 24, 30, 42, 60, 84, 96, 120, 168, 180, 210, 240, 252, 300, 360, 420, 630, 660 ]
[ "nonn", "base", "hard", "more" ]
A170808
[ 1, 2, 4, 12, 40, 116, 252, 768, 2704, 12756, 63168, 338308, 1956876, 11971780, 77909884, 535178056, 3906154920, 30146769464, 244980749052, 2094507398508 ]
[ "nonn" ]
A102631
[ 1, 2, 3, 8, 5, 6, 7, 32, 27, 10, 11, 24, 13, 14, 15, 128, 17, 54, 19, 40, 21, 22, 23, 96, 125, 26, 243, 56, 29, 30, 31, 512, 33, 34, 35, 216, 37, 38, 39, 160, 41, 42, 43, 88, 135, 46, 47, 384, 343, 250, 51, 104, 53, 486, 55, 224, 57, 58, 59, 120, 61, 62, 189, 2048, 65, 66, 67 ]
[ "nonn", "easy", "mult" ]
A362099
[ 3, 5560, 14350, 76972, 239123, 2067170, 19320438, 748459491, 1273027965, 6925699528, 7758433284, 8408679517, 32002385444, 556647183084, 973172636259, 1132856618148, 61106658474182, 86958225528107, 672668768873501, 10307856194310256 ]
[ "nonn", "base", "changed" ]
A147934
[ 1, 2, 6, 24, 74, 312, 1620, 7876, 41114, 262142, 1640026, 10906856, 84761678, 627751836, 5070873342, 46757075664 ]
[ "nonn" ]
A094203
[ 20, 22, 24, 26, 30, 33, 40, 44, 120, 220, 11000, 1.1111111111111111e+23 ]
[ "nonn", "base" ]
A150134
[ 1, 2, 6, 20, 72, 275, 1093, 4479, 18801, 80451, 349700, 1540012, 6856998, 30819381, 139647086, 637238709, 2925903993, 13508063971, 62666934328, 291993695249, 1365865078510, 6411761519748, 30195341581719, 142617094236380, 675403835836741, 3206416193453260, 15256531432328356, 72743764252082940 ]
[ "nonn", "walk" ]
A029678
[ 1, 0, 0, 4, 6, 4, 0, 0, 2, 8, 0, 4, 18, 0, 0, 8, 6, 0, 0, 4, 12, 12, 0, 8, 12, 8, 0, 8, 12, 4, 0, 8, 2, 8, 0, 0, 42, 8, 0, 16, 0, 8, 0, 4, 24, 12, 0, 0, 18, 8, 0, 16, 12, 4, 0, 8, 12, 16, 0, 12, 48, 8, 0, 16, 6, 8, 0, 12, 12, 16, 0, 8, 14, 0, 0, 20, 24, 8, 0, 8, 12, 24, 0, 4, 72, 8 ]
[ "nonn" ]
A346293
[ 48, 168, 120, 192, 150, 504, 336, 320, 432, 240, 120, 360, 1092, 504, 720, 1344, 168, 720, 228, 480, 1008, 192, 216, 720, 750, 624, 1296, 672, 264, 720, 372, 1536, 1320, 544, 672, 1728, 444, 912, 936, 960, 410, 1512, 516, 1320, 2160, 384, 408 ]
[ "nonn", "hard", "more" ]
A252577
[ 890, 1558, 4168, 9051, 30532, 92725, 208375, 715437, 2196824, 4932817, 17087917, 52719076, 118137939, 412475333, 1277261765, 2857270465, 10039630707, 31180060771, 69654819267, 245981412469, 765710684488, 1708718651733 ]
[ "nonn" ]
A087129
[ 1, 3, 1, 7, 9, 3, 9, 3, 9, 12, 3, 12, 24, 9, 36, 3, 33, 3, 12, 9, 3, 12, 9, 12, 15, 24, 9, 12, 15, 33, 12, 24, 3, 9, 36, 3, 9, 24, 36, 27, 12, 12, 9, 3, 21, 96, 3, 9, 3, 12, 9, 3, 12, 105, 3, 60, 12, 9, 39, 45, 27, 9, 12, 3, 12, 12, 45, 12, 15, 33, 15, 21, 3, 9, 3, 12, 9, 24, 3, 33, 15, 9 ]
[ "nonn" ]
A178805
[ 2, 5, 9, 13, 17, 163, 53453, 110673, 715533, 1432276, 6517719, 11523158, 11985596, 24102781, 254977309, 451207448, 1219588338, 2048539023, 10066616717, 42116139191, 47657002570, 73831354169, 122478947521, 143949453227, 3040705645816, 3152420311977, 5624690531099, 14964977749017, 25999244327633, 92799025313425, 164330745650026, 604329910739082 ]
[ "nonn" ]
A159416
[ 96, 143787, 592289832, 2071454683759, 5674496740079184, 10847350087064430000, 1.3198998020926434e+22, 9.590338954815611e+24, 4.0323584622913496e+27, 9.893636727999517e+29 ]
[ "nonn" ]
A203902
[ 0, 0, 1, 5, 20, 180, 5013, 1016629, 5282300384, 5396635591915760, 2.851213665189328e+25, 1.5386976206684361e+41, 4.387155683474529e+66 ]
[ "nonn" ]
A075864
[ 1, 1, 2, 4, 10, 26, 72, 204, 594, 1762, 5318, 16270, 50360, 157392, 496016, 1574432, 5028962, 16152194, 52133154, 169004450, 550036778, 1796512970, 5886709502, 19346204982, 63751851400, 210605429496, 697337388556, 2313871053172, 7692939444640, 25623793107344 ]
[ "nonn" ]
A223132
[ 365, 406400, 354680696, 461597847603, 372676751243307, 508211382191466300, 408653905036011400000, 5.721453837555627e+23, 4.614344832734031e+26 ]
[ "nonn" ]
A040120
[ 11, 2, 22, 2, 22, 2, 22, 2, 22, 2, 22, 2, 22, 2, 22, 2, 22, 2, 22, 2, 22, 2, 22, 2, 22, 2, 22, 2, 22, 2, 22, 2, 22, 2, 22, 2, 22, 2, 22, 2, 22, 2, 22, 2, 22, 2, 22, 2, 22, 2, 22, 2, 22, 2, 22, 2, 22, 2, 22, 2, 22, 2, 22, 2, 22, 2 ]
[ "nonn", "cofr", "easy" ]
A245145
[ 1, 0, 0, 0, 0, 1, 1, 1, 1, 1, 3, 3, 5, 5, 7, 11, 14, 19, 26, 32, 49, 63, 87, 114, 157, 215, 292, 396, 536, 719, 1002, 1345, 1849, 2496, 3395, 4644, 6344, 8647, 11800, 16049, 21990, 29980, 41087, 56048, 76642, 104863, 143498, 196454, 269057, 368191, 504806 ]
[ "nonn" ]
A334238
[ 57, 63, 171, 258, 266, 294, 301, 329, 342, 343, 354, 361, 377, 378, 379, 381, 387, 399, 423, 437, 441, 462, 463, 469, 474, 481, 483, 489, 506, 513, 529, 567, 603, 621, 642, 643, 689, 798, 817, 889, 903, 931, 978, 1026, 1083, 1141, 1143, 1161, 1169, 1197, 1204 ]
[ "nonn" ]
A253021
[ 63, 91, 120, 155, 230, 296, 369, 546, 712, 893, 1322, 1722, 2155, 3190, 4158, 5203, 7702, 10040, 12561, 18594, 24240, 30325, 44890, 58522, 73211, 108374, 141286, 176747, 261638, 341096, 426705, 631650, 823480, 1030157, 1524938, 1988058 ]
[ "nonn" ]
A066647
[ 9, 36, 100, 196, 225, 289, 441, 576, 784, 841, 1225, 1296, 1764, 1849, 2025, 2304, 3025, 3249, 3600, 3844, 3969, 4356, 5776, 6084, 6400, 6561, 8100, 8281, 9801, 11025, 12544, 13924, 14161, 14400, 15129, 16129, 16641, 17424, 18496, 19600, 19881, 20449, 21609, 23409 ]
[ "nonn" ]
A383305
[ 1, 6, 39, 266, 1730, 11361, 74809, 494194, 3273132, 21730506, 144588345, 964050593, 6440655572, 43111601819, 289112380019, 1942335481170, 13072051432742, 88125501965430, 595077180675348, 4024698113281006, 27261843502415810, 184931926767687970, 1256249015578188500, 8545135121520263000, 58198759816476205000 ]
[ "nonn", "base" ]
A252827
[ 42, 729, 10761, 125892, 1165921, 8807722, 55960651, 306796310, 1481748658, 6411737114, 25203579317, 91037124979, 305083525901, 956286103952, 2823092600299, 7895877354183, 21029532417878, 53571661955209 ]
[ "nonn" ]
A059828
[ 495, 912, 913, 1067, 1650, 2576, 3318, 4293, 4305, 4310, 5055, 6636, 6951, 8184, 8586, 8732, 8772, 10110, 11900, 12467, 12877, 12879, 13129, 15158, 15165, 15222, 15322, 16368, 17172, 17177, 19175, 19321, 19467, 20496, 20506, 21022, 21316 ]
[ "base", "nonn" ]
A259956
[ 67, 146, 439, 1187, 3227, 8964, 24719, 67952, 187266, 516133, 1421669, 3916441, 10790266, 29726787, 81895288, 225619582, 621575781, 1712418521, 4717655719, 12996990098, 35806276733, 98645103102, 271764008258, 748700872883 ]
[ "nonn" ]
A157029
[ 1, 3, 7, 17, 39, 89, 203, 459, 1029, 2299, 5129, 11409, 25273, 55787, 122875, 270239, 593331, 1299883, 2841243, 6197855, 13499235, 29366411, 63809311, 138466835, 300036895, 649186659, 1402796793, 3027908077, 6529611587, 14068804905 ]
[ "nonn" ]