id
stringlengths
7
11
seq
listlengths
1
347
keywords
listlengths
1
8
A250129
[ 8, 3, 8, 8, 4, 9, 2, 6, 6, 3, 2, 9, 5, 8, 5, 4, 8, 6, 7, 8, 0, 2, 7, 4, 2, 9, 2, 3, 0, 8, 6, 3, 4, 3, 0, 0, 0, 0, 5, 1, 4, 4, 6, 0, 4, 2, 4, 4, 9, 4, 7, 7, 1, 4, 3, 1, 1, 6, 0, 8, 6, 9, 2, 4, 6, 8, 2, 9, 0, 7, 8, 2, 3, 4, 4, 3, 3, 1, 3, 3, 4, 8, 8, 9, 7, 4, 1, 9, 3, 9, 7, 8, 0, 2, 1, 1, 5, 9, 0, 8, 4, 9, 4, 5, 8 ]
[ "nonn", "cons", "easy" ]
A102520
[ 3, 7, 9, 7, 5, 4, 9, 9, 2, 6, 5, 0, 4, 8, 3, 9, 4, 4, 2, 9, 9, 7, 5, 7, 6, 8, 9, 3, 9, 7, 9, 0, 9, 3, 7, 8, 4, 2, 7, 9, 4, 0, 2, 0, 9, 5, 8, 7, 5, 2, 9, 2, 6, 5, 6, 0, 0, 7, 1, 3, 2, 2, 7, 1, 7, 2, 5, 9, 0, 9, 0, 8, 5, 9, 7, 0, 7, 1, 4, 8, 0, 8, 0, 4, 5, 7, 2, 4, 6, 7, 5, 7, 3, 9, 3, 2, 7, 4, 9, 6, 4, 1, 3, 3, 9 ]
[ "cons", "nonn" ]
A344784
[ 5, 9, 7, 6, 4, 0, 4, 7, 5, 8 ]
[ "nonn", "cons", "more" ]
A060330
[ 37, 53, 67, 83, 97, 157, 293, 307, 353, 367, 503, 547, 683, 743, 757, 907, 953, 967, 983, 997, 1193, 1553, 1567, 1733, 1747, 2153, 2617, 2843, 2857, 3083, 3203, 3217, 3307, 4057, 4133, 4283, 4297, 5107, 5153, 5167, 5303, 6143, 6397, 6607, 7253, 7417 ]
[ "nonn" ]
A029639
[ 3, 5, 5, 9, 7, 9, 7, 25, 11, 27, 55, 13, 9, 35, 77, 105, 91, 49, 15, 17, 11, 81, 19, 65, 285, 21, 13, 77, 275, 825, 385, 121, 23, 935, 2079, 25, 15, 1287, 2717, 4719, 3289, 169, 27, 119, 1729, 7007, 9867, 5005, 819, 29, 17, 135, 665, 2275, 5733, 11011, 16445, 19305, 17875 ]
[ "nonn" ]
A308975
[ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 2, 2, 4, 4, 6, 8, 9, 8, 13, 12, 18, 16, 20, 20, 32, 24, 37, 32, 45, 38, 63, 44, 74, 52, 84, 62, 109, 66, 123, 84, 145, 94, 173, 102, 209, 120, 225, 136, 272, 146, 309, 172, 343, 190, 405, 206, 466, 232, 499, 262 ]
[ "nonn" ]
A019629
[ 4, 0, 6, 6, 5, 4, 0, 1, 0, 6, 0, 3, 5, 0, 3, 1, 9, 3, 5, 9, 3, 5, 0, 2, 4, 2, 2, 3, 5, 9, 3, 6, 0, 6, 9, 0, 2, 3, 9, 7, 5, 6, 5, 9, 6, 9, 4, 1, 1, 9, 5, 9, 5, 0, 5, 6, 5, 6, 9, 5, 2, 9, 1, 9, 1, 3, 2, 9, 6, 6, 0, 0, 5, 3, 1, 3, 0, 1, 4, 6, 7, 0, 2, 7, 2, 6, 4, 9, 4, 6, 1, 7, 6, 6, 8, 9, 2, 3, 5 ]
[ "nonn", "cons" ]
A026781
[ 1, 3, 12, 53, 246, 1178, 5768, 28731, 145108, 741392, 3825418, 19907156, 104370554, 550816506, 2924018194, 15603778253, 83661779470, 450479003038, 2435009205992, 13208558795146, 71879906857596, 392320357251928, 2147102400154768, 11780181236675858, 64782405317073970, 357022158144941600 ]
[ "nonn" ]
A177467
[ 1, 5, 32, 151, 819, 4056, 21145, 106877, 550088, 2800975, 14352987, 73273152, 374896033, 1915610597, 9795808064, 50069619991, 255991741683, 1308603509784, 6690079956601, 34200325541597, 174841101178664, 893816437200847, 4569389285283675, 23359579180191744, 119419053268283330 ]
[ "nonn", "easy" ]
A171079
[ 2, 3, 45, 945, 4725, 13365, 638512875, 18243225, 23260111875, 38979295480125, 1531329465290625, 274446060013125, 201919571963756500000, 11094481976030579000, 8.066480859572519e+22, 5.660878804669083e+27, 3.124511028551117e+28, 7.534443839399844e+25 ]
[ "nonn", "frac" ]
A007516
[ 1, 3, 5, 17, 65537 ]
[ "nonn" ]
A106414
[ 41, 46, 42, 462, 4290, 43890, 4001970, 40029990, 406816410, 40026056070, 408036859230, 40013061952710, 405332750552730, 40111962162442170, 4000228915204892000, 40909794684132180000, 4.0006691669407003e+21 ]
[ "base", "nonn" ]
A160271
[ 1, 2, 0, 3, 0, 1, 2, 0, 2, 1, 4, 1, 3, 2, 2, 3, 0, 3, 3, 4, 3, 5, 1, 4, 4, 6, 6, 5, 4, 0, 4, 4, 7, 9, 10, 8, 6, 1, 5, 5, 8, 11, 15, 16, 13, 3, 0, 5, 5, 9, 12, 18, 24, 26, 21, 5, 2, 6, 6, 10, 14, 20, 29, 39, 42, 34, 7, 1, 5, 6, 11, 15, 23, 32, 47, 63, 68, 55, 4, 0, 6, 7, 12, 17, 25, 37, 52, 76, 102 ]
[ "nonn", "tabl" ]
A171206
[ 1, 1, 12, 348, 19744, 2108784, 428817600, 169398274624, 131889504749568, 203937600707475460, 628561895904797000000, 3.8682084041219067e+24, 4.757134263945011e+28, 1.1695897338634271e+33, 5.749937910378334e+37, 5.652994168279651e+42 ]
[ "nonn" ]
A000241
[ 0, 0, 0, 0, 0, 1, 3, 9, 18, 36, 60, 100, 150, 225, 315 ]
[ "nonn", "more", "nice" ]
A305019
[ 0, 61, 387, 6742, 101178, 1575677, 24498639, 380995482, 5926730196, 92211738808, 1434545885081, 22318674073984, 347229371088302, 5402134371252384, 84045598929827410, 1307567768384242400, 20342933954502636000 ]
[ "nonn" ]
A052039
[ 1, 4, 3, 21, 2, 15, 13, 12, 11, 91, 9, 8, 72, 7, 63, 6, 56, 53, 51, 48, 46, 44, 42, 41, 4, 38, 36, 35, 34, 33, 32, 31, 3, 29, 28, 271, 27, 26, 251, 244, 24, 233, 23, 223, 22, 213, 21, 205, 201, 197, 193, 19, 186, 182, 18, 176, 173, 17, 167, 164, 162, 16, 157, 154, 152 ]
[ "nonn", "base" ]
A053829
[ 0, 1, 2, 3, 4, 5, 6, 7, 1, 2, 3, 4, 5, 6, 7, 8, 2, 3, 4, 5, 6, 7, 8, 9, 3, 4, 5, 6, 7, 8, 9, 10, 4, 5, 6, 7, 8, 9, 10, 11, 5, 6, 7, 8, 9, 10, 11, 12, 6, 7, 8, 9, 10, 11, 12, 13, 7, 8, 9, 10, 11, 12, 13, 14, 1, 2, 3, 4, 5, 6, 7, 8, 2, 3, 4, 5, 6, 7, 8, 9, 3, 4, 5, 6, 7, 8, 9, 10, 4, 5, 6, 7, 8, 9, 10 ]
[ "base", "nonn" ]
A191609
[ 5, 19, 23, 29, 47, 53, 71, 97, 101, 139, 149, 163, 167, 173, 191, 197, 211, 239, 263, 269, 293, 311, 317, 359, 379, 383, 389, 409, 431, 461, 479, 499, 503, 509, 557, 599, 643, 647, 653, 677, 701, 719, 743, 773, 797, 821, 839, 859, 863, 887, 907, 941, 983 ]
[ "nonn", "easy" ]
A115781
[ 1111, 11110, 11111, 101101, 101111, 111100, 111101, 111110, 111111, 1011010, 1011110, 1011111, 1111000, 1111010, 1111100, 1111101, 1111110, 1111111, 10100101, 10101101, 10101111, 10110100, 10110101, 10111100, 10111101 ]
[ "nonn", "base" ]
A212291
[ 1, 1, 1, 5, 17, 89, 529, 3709, 29665, 266993, 2669921, 29369141, 352429681, 4581585865, 64142202097, 962133031469, 15394128503489, 261700184559329, 4710603322067905, 89501463119290200, 1790029262385804300, 37590614510101890000, 826993519222241600000 ]
[ "nonn", "easy" ]
A174569
[ 1, 2, 10, 11, 22, 23, 32, 102, 103, 112, 113, 120, 121, 130, 131, 200, 201, 210, 211, 234, 235, 243, 253, 300, 301, 310, 311, 324, 325, 342, 352, 423, 432, 523, 532, 1000, 1001, 1010, 1011, 1034, 1035, 1043, 1053, 1100, 1101, 1110, 1111, 1134, 1135, 1143, 1153, 1304, 1305, 1314, 1315, 1340 ]
[ "nonn", "base" ]
A150812
[ 1, 2, 8, 31, 134, 594, 2695, 12443, 58013, 273231, 1294901, 6173085, 29558960, 142080867, 685104615, 3312474950, 16053281812, 77956368977, 379237613129, 1847783768699, 9015632064590, 44043527415973, 215404646524976, 1054552809431666, 5167513805355012, 25343121317598360, 124386470702241900 ]
[ "nonn", "walk" ]
A098698
[ 1, 4, 64, 1778, 73848, 4188592, 306690520, 27893327856, 3063657097664, 397720778283584, 59997757426314620, 10373545999796847000, 2.0323680962296823e+21, 4.468797951645247e+23 ]
[ "nonn" ]
A370509
[ 1, 1, 2, 7, 28, 138, 818, 5658, 44784, 399366, 3962256, 43289760, 516432984, 6679346280, 93091875120, 1390851720840, 22175338353120, 375794883339120, 6745177713093840, 127830886641354960, 2550687440585679400, 53451172032327660000, 1.1736501355260552e+21 ]
[ "nonn", "easy" ]
A008052
[ 1, 4, 11, 21, 32, 49, 74, 101, 128, 162, 200, 243, 290, 334, 390, 445, 504, 583, 644, 708, 798, 881, 966, 1042, 1128, 1248, 1345, 1442, 1559, 1661, 1779, 1914, 2036, 2160, 2278, 2412, 2583, 2723, 2852, 3011, 3161, 3335, 3515, 3656, 3825, 4003, 4190, 4396 ]
[ "nonn" ]
A323115
[ 1, 3, 5, 6, 9, 11, 21, 27, 37, 54, 55, 113, 147, 181, 185, 222, 313, 317, 695, 1003, 1270, 1385, 1483, 1519, 1567, 2057, 2550, 4014, 4467, 5773, 6078, 6103, 7951, 9958, 11317, 11807, 12974, 14046, 14401, 14585, 16686, 17433, 37525, 62486, 65195, 76726, 85881 ]
[ "nonn", "hard" ]
A069039
[ 0, 1, 12, 73, 304, 985, 2668, 6321, 13504, 26577, 48940, 85305, 142000, 227305, 351820, 528865, 774912, 1110049, 1558476, 2149033, 2915760, 3898489, 5143468, 6704017, 8641216, 11024625, 13933036, 17455257, 21690928, 26751369, 32760460, 39855553, 48188416, 57926209 ]
[ "nonn", "easy" ]
A332724
[ 0, 0, 1, 6, 14, 32, 65, 128, 243, 452, 826, 1490, 2659, 4704, 8261, 14418, 25030, 43252, 74437, 127648, 218199, 371920, 632306, 1072486, 1815239, 3066432, 5170825, 8705118, 14632958, 24562952, 41177801, 68947520, 115313979, 192656924, 321554986, 536191418 ]
[ "nonn" ]
A227879
[ 70, 280, 360, 480, 630, 1120, 1312, 1440, 1750, 1768, 1920, 2132, 2520, 3240, 3430, 4320, 4480, 5248, 5670, 5760, 7000, 7038, 7072, 7680, 7800, 8470, 8528, 9000, 9240, 10080, 11808, 11830, 12000, 12960, 13720, 13950, 14744, 15750, 15912, 17280, 17640, 17920 ]
[ "nonn" ]
A208509
[ 1, 3, 5, 1, 7, 5, 9, 14, 1, 11, 30, 7, 13, 55, 27, 1, 15, 91, 77, 9, 17, 140, 182, 44, 1, 19, 204, 378, 156, 11, 21, 285, 714, 450, 65, 1, 23, 385, 1254, 1122, 275, 13, 25, 506, 2079, 2508, 935, 90, 1, 27, 650, 3289, 5148, 2717, 442, 15, 29, 819, 5005, 9867 ]
[ "nonn", "tabf" ]
A253650
[ 300, 1176, 3240, 7260, 14196, 25200, 29403, 41616, 64980, 97020, 139656, 195000, 228150, 265356, 353220, 461280, 592416, 749700, 936396, 1043290, 1155960, 1412040, 1708476, 2049300, 2438736, 2881200, 3381300, 3499335, 3943836, 4573800, 5276376, 6056940, 6921060, 7874496 ]
[ "nonn" ]
A093595
[ 9, 15, 11340, 278775, 16247385, 37139825022300, 7581939039675, 76731473729479950000, 3.9155914224904e+27, 3.8139751247780154e+29, 1.6227546388799797e+31, 6.751511561895932e+40, 2.0377345777534645e+40 ]
[ "nonn", "easy", "frac" ]
A266797
[ 2, 8, 38, 200, 1112, 6368, 37088, 218240, 1292672, 7689728, 45874688, 274196480, 1640978432, 9829081088, 58907353088, 353175633920, 2117979963392, 12703584616448, 76204327436288, 457157244354560, 2742668586647552, 16454912005111808, 98725073977868290 ]
[ "nonn", "easy" ]
A008334
[ 0, 1, 1, 2, 2, 2, 1, 2, 2, 2, 3, 2, 2, 3, 2, 2, 2, 3, 3, 3, 2, 3, 2, 2, 2, 2, 3, 2, 2, 2, 3, 3, 2, 3, 2, 3, 3, 2, 2, 2, 2, 3, 3, 2, 2, 3, 4, 3, 2, 3, 2, 3, 3, 2, 1, 2, 2, 3, 3, 3, 3, 2, 3, 3, 3, 2, 4, 3, 2, 3, 2, 2, 3, 3, 3, 2, 2, 3, 2, 3, 3, 4, 3, 2, 3, 3, 2, 3, 3, 4, 2, 2, 2, 3, 3 ]
[ "nonn" ]
A346987
[ 1, 1, 7, 86, 1524, 35370, 1015590, 34757400, 1381147440, 62498177880, 3172764322680, 178566159846480, 11034757650750960, 742773843654742000, 54094804600076170000, 4.2380092285313215e+21, 3.554003614554233e+23, 3.1764402860426287e+25, 3.014207878695234e+27 ]
[ "nonn" ]
A038243
[ 1, 5, 1, 25, 10, 1, 125, 75, 15, 1, 625, 500, 150, 20, 1, 3125, 3125, 1250, 250, 25, 1, 15625, 18750, 9375, 2500, 375, 30, 1, 78125, 109375, 65625, 21875, 4375, 525, 35, 1, 390625, 625000, 437500, 175000, 43750, 7000, 700, 40, 1, 1953125, 3515625, 2812500, 1312500, 393750, 78750, 10500, 900, 45, 1 ]
[ "nonn", "tabl", "easy" ]
A257944
[ 1, 3, 7, 12, 18, 26, 16, 31, 20, 37, 50, 22, 41, 64, 35, 56, 83, 39, 69, 45, 54, 79, 111, 58, 92, 130, 60, 96, 136, 73, 115, 163, 75, 121, 168, 77, 134, 193, 98, 149, 182, 102, 157, 206, 117, 178, 244, 138, 210, 277, 140, 214, 282, 153, 229, 307, 155, 220, 263 ]
[ "nonn", "look" ]
A067387
[ 3, 5, 17, 257, 65537, 641, 6700417, 274177, 67280421310721, 59649589127497220 ]
[ "dead" ]
A264716
[ 1, 2, 40, 803, 23775, 468540, 17266449, 741373873 ]
[ "nonn" ]
A226356
[ 0, 0, 1, 2, 3, 10, 20, 91, 207, 792, 2589, 17749, 52997 ]
[ "nonn", "more" ]
A010611
[ 3, 4, 1, 9, 9, 5, 1, 8, 9, 3, 3, 5, 3, 3, 9, 3, 9, 7, 8, 7, 0, 6, 2, 1, 7, 7, 4, 5, 0, 8, 7, 7, 2, 0, 2, 1, 9, 7, 3, 6, 1, 1, 0, 2, 2, 1, 0, 8, 6, 1, 0, 9, 8, 4, 8, 7, 6, 5, 7, 2, 3, 4, 1, 4, 8, 8, 8, 5, 9, 1, 8, 4, 1, 0, 0, 8, 3, 4, 6, 4, 3, 2, 5, 1, 4, 3, 7, 4, 0, 2, 0, 0, 4, 0, 3, 7, 8, 0, 0 ]
[ "nonn", "cons" ]
A164300
[ 1, 12, 82, 488, 2756, 15216, 83144, 452128, 2453008, 13294272, 72012064, 389976704, 2111644736, 11433484032, 61904845952, 335169991168, 1814692086016, 9825156811776, 53195565289984, 288012326955008 ]
[ "nonn", "easy" ]
A094711
[ 7, 31, 223, 2311, 30047, 510569, 9699713, 223092949, 6469693331, 200560490213, 7420738135049, 304250263527281, 13082761331670180, 614889782588491800, 32589158477190046000, 1.9227603501542128e+21, 1.1728838135940697e+23 ]
[ "nonn" ]
A229596
[ 1, 3, 7, 10, 1167, 2344, 3511, 5855, 15221, 21076, 36297, 57373, 151043, 3078233, 3229276, 6307509, 9536785, 82601789, 92138574, 266878937, 625896448, 892775385, 2411447218, 41887378091, 756384252856, 9118498412363, 9874882665219, 28868263742801 ]
[ "nonn", "frac" ]
A209917
[ 1, 3, 21, 249, 4356, 103932, 3213216, 124146432, 5834291328, 326570493312, 21408981213888, 1621281984076224, 140205279698051330, 13711076231477352000, 1.503606581609959e+21, 1.8356241617937474e+23, 2.478790663076948e+25 ]
[ "nonn" ]
A198462
[ 2, 3, 4, 5, 6, 6, 6, 7, 7, 8, 9, 9, 9, 10, 10, 11, 11, 12, 12, 12, 13, 14, 14, 15, 15, 15, 15, 15, 16, 17, 17, 17, 18, 18, 18, 18, 18, 19, 19, 20, 20, 20, 21, 21, 21, 21, 21, 22, 22, 22, 23, 23, 24, 24, 24, 24, 25, 25, 25, 25, 26, 26, 27, 27, 27, 27, 27, 28 ]
[ "nonn" ]
A033740
[ 1, 2, 2, 4, 4, 4, 8, 10, 10, 10, 16, 12, 16, 28, 18, 24, 28, 32, 26, 36, 48, 28, 60, 52, 56, 58, 64, 88, 68, 100, 72, 96, 86, 104, 144, 92, 132, 116, 152, 120, 168, 184, 136, 220, 168, 228, 172, 240, 280, 234, 282, 208 ]
[ "nonn" ]
A009159
[ 1, 0, 4, 56, 1744, 86208, 6199744, 608357504, 77889982720, 12588540708864, 2503565961032704, 600347512023062500, 170721835772956670000, 5.678039489839058e+22, 2.182867811836179e+25 ]
[ "nonn" ]
A179181
[ 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 0, 2, 0, 1, 1, 1, 2, 1, 1, 1, 1, 0, 3, 0, 3, 0, 1, 1, 1, 3, 2, 3, 2, 1, 1, 1, 0, 4, 0, 6, 0, 4, 0, 1, 1, 1, 4, 2, 6, 4, 4, 2, 1, 1, 1, 0, 5, 0, 10, 0, 10, 0, 5, 0, 1, 1, 1, 5, 3, 10, 6, 10, 5, 5, 3, 1, 1 ]
[ "nonn", "tabl" ]
A107944
[ 1, -2, 6, -22, 88, -376, 1680, -7752, 36660, -176758, 865676, -4294666, 21537584, -109007408, 556096920, -2856490080, 14761719654, -76693856026, 400359733068, -2098903394904, 11045982153266, -58335010518882, 309052004994306, -1642074778175370, 8748018667952754 ]
[ "sign" ]
A205834
[ 23340, 710526, 22488006, 720376872, 23163320754, 745699860222, 24015926216514, 773556773975484, 24917497813440492, 802644416569685100, 25854975349134340000, 832848064828756500000, 2.6827960607597792e+22 ]
[ "nonn" ]
A156923
[ 1, 37, 646, 8030, 82610, 756218, 6411720, 51586344, 400011435, 3020658295, 22373863774, 163379472214, 1180488191108, 8462445970580, 60305767988960, 427848087263712, 3025286818472661 ]
[ "easy", "nonn" ]
A093628
[ 1, 1, 1, 1, 2, 1, 1, 3, 2, 1, 1, 4, 4, 3, 1, 1, 5, 6, 7, 3, 1, 1, 6, 9, 13, 9, 4, 1, 1, 7, 12, 22, 19, 14, 4, 1, 1, 8, 16, 34, 39, 35, 17, 5, 1, 1, 9, 20, 50, 67, 81, 49, 24, 5, 1, 1, 10, 25, 70, 113, 159, 137, 80, 29, 6, 1, 1, 11, 30, 95, 173, 296, 306, 252, 110, 38, 6, 1, 1, 12, 36, 125 ]
[ "nonn", "tabl" ]
A147643
[ 7, 17, 162, 2 ]
[ "nonn", "more" ]
A132701
[ 3, 5, 0, 1, 4, 0, 8, 7, 4, 8, 0, 2, 1, 6, 9, 7, 3, 8, 6, 9, 1, 5, 4, 4, 2, 7, 9, 4, 1, 9, 5, 3, 1, 5, 9, 6, 4, 7, 5, 8, 1, 1, 2, 2, 0, 6, 2, 9, 0, 0, 4, 1, 8, 7, 2, 4, 4, 8, 6, 8, 1, 5, 6, 9, 2, 9, 5, 7, 2, 9, 5, 4, 7, 9, 5, 2, 9, 8, 3, 7, 7, 1, 9, 8, 2, 5, 0, 3, 6, 6, 0, 8, 5, 7, 5, 6, 7, 8, 9, 1, 0, 3, 3, 6, 0 ]
[ "cons", "nonn" ]
A271595
[ 1, 8, 40, 196, 824, 3404, 13904, 55452, 224272, 898392, 3595276, 14388352, 57600180, 230422684, 921794036, 3687382020 ]
[ "nonn", "more" ]
A002410
[ 14, 21, 25, 30, 33, 38, 41, 43, 48, 50, 53, 56, 59, 61, 65, 67, 70, 72, 76, 77, 79, 83, 85, 87, 89, 92, 95, 96, 99, 101, 104, 105, 107, 111, 112, 114, 116, 119, 121, 123, 124, 128, 130, 131, 133, 135, 138, 140, 141, 143, 146, 147, 150, 151, 153, 156, 158, 159, 161 ]
[ "nonn", "easy", "nice" ]
A068785
[ 5, 37, 317, 3149, 31417, 314197, 3141549, 31416025, 314159053, 3141592409, 31415925457, 314159264013, 3141592649625, 31415926532017, 314159265350589, 3141592653588533, 31415926535867960, 314159265358987300, 3141592653589764600, 31415926535897743000 ]
[ "nonn" ]
A361864
[ 1, 0, 3, 6, 30, 96, 461, 2000, 10727, 57092, 342348 ]
[ "nonn", "more" ]
A143962
[ 0, 0, 0, 0, 1, 5, 16, 42, 99, 220, 476, 1023, 2201, 4732, 10102, 21284, 44103, 89845, 180354, 358226, 707561, 1396560, 2764906, 5501807, 11005363, 22101301, 44470622, 89475559, 179753753, 360325116, 720748862, 1439561539, 2873846383, 5740501232, 11484167472 ]
[ "nonn" ]
A238658
[ 1, 2, 3, 5, 7, 10, 14, 19, 25, 33, 44, 57, 72, 92, 114, 143, 179, 216, 267, 321, 389, 470, 562, 668, 798, 946, 1100, 1295, 1521, 1759, 2059, 2392, 2742, 3206, 3674, 4172, 4831, 5566, 6265, 7115, 8089, 9152, 10381, 11664, 13131, 14927, 16666, 18565, 20977 ]
[ "nonn", "easy" ]
A157082
[ 0, 1, 2, 3, 4, 5, 7, 10, 11, 14, 16, 18, 29, 38, 40, 43, 64, 88, 168, 180, 212, 293, 356, 452, 555, 638, 871, 913, 1637, 2346, 3279, 7176, 14420, 15369, 36912, 51459, 96733, 113376, 141219, 200315, 233047, 729345, 951847, 1704275, 1917281, 2326985 ]
[ "fini", "full", "nonn" ]
A370472
[ 1, 1, 3, 15, 88, 565, 3844, 27228, 198670, 1482981, 11271117, 86926262, 678568982, 5351340410, 42570335161, 341201704970, 2752693408051, 22335989938093, 182166978172055, 1492496248447713, 12278191839580716, 101382009468089580, 839932374157895700 ]
[ "nonn" ]
A119951
[ 1, 3, 29, 65, 281, 595, 9949, 20613, 84883, 173965, 1421113, 2894229, 11762641, 23859587, 773201629, 1564082093, 6321150767, 12761711209, 102977321267, 207595672639, 836499257311, 1684433835077, 27122471168057, 54567418372945, 219485160092143, 441266239318305, 3547513302275441 ]
[ "nonn", "easy", "frac" ]
A040530
[ 23, 1, 1, 6, 4, 1, 1, 4, 6, 1, 1, 46, 1, 1, 6, 4, 1, 1, 4, 6, 1, 1, 46, 1, 1, 6, 4, 1, 1, 4, 6, 1, 1, 46, 1, 1, 6, 4, 1, 1, 4, 6, 1, 1, 46, 1, 1, 6, 4, 1, 1, 4, 6, 1, 1, 46, 1, 1, 6, 4, 1, 1, 4, 6, 1, 1, 46, 1, 1, 6, 4, 1, 1, 4, 6, 1, 1, 46, 1, 1, 6, 4, 1, 1, 4, 6, 1, 1, 46, 1 ]
[ "nonn", "cofr", "easy", "less" ]
A321073
[ 0, 6, 94, 578, 3240, 135009, 296060, 2067621, 118990647, 1619502814, 3977450505, 211476847313, 782100188535, 22751098825582, 229887371689168, 609637205272409, 38204870730013260, 84154600593585420, 3622283800088642000, 42541704994534260000, 654132609478679700000 ]
[ "nonn", "easy" ]
A043269
[ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 2, 4, 6, 8, 10, 12, 14, 16, 18, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 12, 13, 14, 15, 16, 17 ]
[ "nonn", "easy", "base" ]
A182681
[ 0, 0, 0, 1024, 59049, 0, 9765625, 0, 282475249, 0, 25937424601, 137858491849, 2015993900449, 41426511213649, 420707233300201, 4808584372417849, 13422659310152400, 174887470365513060, 1822837804551761400, 15516041187205853000, 110462212541120450000, 1.0915338530733936e+21 ]
[ "nonn", "base" ]
A053389
[ 0, 1, 0, 2, 0, 1, 0, 4, 0, 1, 0, 2, 0, 1, 0, 4, 0, 1, 0, 2, 0, 1, 0, 5, 0, 1, 0, 2, 0, 1, 0, 5, 0, 1, 0, 2, 0, 1, 0, 4, 0, 1, 0, 2, 0, 1, 0, 4, 0, 1, 0, 2, 0, 1, 0, 6, 0, 1, 0, 2, 0, 1, 0, 6, 0, 1, 0, 2, 0, 1, 0, 4, 0, 1, 0, 2, 0, 1, 0, 4, 0, 1, 0, 2, 0, 1, 0, 5, 0, 1, 0, 2, 0, 1, 0, 5, 0, 1, 0, 2, 0, 1, 0, 4, 0 ]
[ "nonn" ]
A296768
[ 1, 3, 5, 9, 11, 17, 24, 32, 36, 46, 48, 60, 73, 87, 102, 118, 124, 142, 161, 181, 202, 224, 247, 254, 279, 305, 332, 360, 389, 419, 450, 458, 491, 525, 560, 564, 601, 639, 678, 718, 759, 801, 844, 888, 933, 943, 990, 992, 1041, 1091, 1142, 1194, 1247, 1301, 1356, 1412, 1469, 1527, 1586, 1598, 1659, 1721, 1784, 1848, 1913, 1979, 2046 ]
[ "nonn" ]
A254014
[ 2540, 7212, 26370, 98002, 279743, 774662, 2035893, 5114873, 12474341, 29590558, 68901604, 158137068, 357684484, 800611865, 1776191086, 3909310915, 8548743880, 18587419029, 40212191986, 86599353650, 185779037285, 397204639125 ]
[ "nonn" ]
A009288
[ 1, 1, 2, 1, 11, -39, 356, -3023, 30841, -349979, 4422846, -61445339, 931259427, -15288729819, 270290509256, -5119527465219, 103428161877041, -2220041987184023, 50453882091213144, -1210316349687219200 ]
[ "sign", "easy" ]
A153471
[ 1, 42, 9072, 10078992, 57596549472, 1692939438332352, 255948135446478420000, 1.990343831103025e+26, 7.961040491077638e+32, 1.6378613975511113e+40 ]
[ "nonn" ]
A005879
[ 8, 32, 48, 64, 104, 96, 112, 192, 144, 160, 256, 192, 248, 320, 240, 256, 384, 384, 304, 448, 336, 352, 624, 384, 456, 576, 432, 576, 640, 480, 496, 832, 672, 544, 768, 576, 592, 992, 768, 640, 968, 672, 864, 960, 720, 896, 1024, 960, 784, 1248, 816, 832, 1536 ]
[ "nonn", "easy", "nice" ]
A017288
[ 1, 214358881, 37822859361, 852891037441, 7984925229121, 45767944570401, 191707312997281, 645753531245761, 1853020188851841, 4702525276151521, 10828567056280800, 23045377697175680, 45949729863572160 ]
[ "nonn", "easy" ]
A306767
[ 2, 7, 5, 0, 4, 7, 13, 5, 0, 9, 23, 17, 14, 41, 11, 7, 16, 55, 39, 31, 8, 23, 91, 19, 0, 25, 109, 15, 59, 49, 61, 79, 10, 169, 29, 17, 36, 191, 131, 11, 83, 71, 85, 1121, 19, 47, 281, 41, 0, 49, 35, 79, 160, 3079, 21, 13, 37, 175, 3541, 209, 62, 433, 55, 31, 14, 23, 401, 239 ]
[ "nonn" ]
A187441
[ 81, 646, 646, 5344, 14178, 5344, 44195, 311730, 311730, 44195, 365485, 6858445, 18257013, 6858445, 365485, 3022484, 150878368, 1070374436, 1070374436, 150878368, 3022484, 24995294, 3319295436, 62735788524, 167339492229 ]
[ "nonn", "tabl" ]
A386384
[ 0, 2, 179, 1, 1, 1196852626800230400, 2, 179, 1, 1, 1.7377308326435956e+151, 2, 179, 2, 1196852626800230400, 1, 1, 179, 2 ]
[ "nonn", "cofr" ]
A178281
[ 0, 0, 7448, 171584, 3023432, 21306432, 154462184, 685844864, 2920347912, 9889081088, 32177621552, 86293676352, 234878672352, 554074612032, 1280999302448, 2735778096000, 5764546457280, 11186777912960, 21769309667880 ]
[ "nonn" ]
A147884
[ 1, 9, 89, 89, 589, 3089, 3089, 3089, 315589, 315589, 8128089, 164378089, 945628089, 1922190589, 11687815589, 109344065589, 231414378089, 1452117503089, 4503875315589, 65539031565589, 141832976878089, 1667711883128089, 3575060515940589 ]
[ "base", "easy", "nonn" ]
A302678
[ 13, 13, 40, 76, 187, 453, 1125, 2782, 6843, 16908, 41758, 103027, 254329, 627855, 1549720, 3825349, 9442726, 23308474, 57535003, 142020909, 350567119, 865346622, 2136039825, 5272643974, 13015100410, 32126739133, 79302295311, 195751392919 ]
[ "nonn" ]
A344396
[ 1, 5, 25, 133, 726, 4037, 22737, 129285, 740554, 4266830, 24701425, 143567173, 837212650, 4896136845, 28703894775, 168640510725, 992671051482, 5853000551090, 34562387229046, 204368928058958, 1209916827501876, 7170955214476509, 42543879586512430, 252638095187722430 ]
[ "nonn" ]
A044276
[ 25, 106, 187, 225, 268, 349, 430, 511, 592, 673, 754, 835, 916, 954, 997, 1078, 1159, 1240, 1321, 1402, 1483, 1564, 1645, 1683, 1726, 1807, 1888, 1969, 2025, 2131, 2212, 2293, 2374, 2412, 2455, 2536, 2617, 2698, 2779, 2860 ]
[ "nonn", "base" ]
A251550
[ 1, 1, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 5, 5, 5, 5, 5, 5, 5, 6, 8, 8, 8, 8, 8, 8, 8, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 11, 11, 11, 11, 11, 11, 11, 11, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 15, 18, 18, 18, 18, 18 ]
[ "nonn" ]
A268090
[ 74, 16428, 2028304, 231625525, 21743763815, 1911026997488, 153835391484442, 11819612140199748, 865848397179493900, 61429976953898580000, 4.232799629516578e+21, 2.8528228546307295e+23 ]
[ "nonn" ]
A313295
[ 1, 4, 9, 15, 21, 27, 33, 39, 45, 50, 54, 58, 63, 69, 75, 81, 87, 93, 99, 104, 108, 112, 117, 123, 129, 135, 141, 147, 153, 158, 162, 166, 171, 177, 183, 189, 195, 201, 207, 212, 216, 220, 225, 231, 237, 243, 249, 255, 261, 266 ]
[ "nonn" ]
A363139
[ 1, 1, 2, 3, 10, 29, 72, 190, 520, 1413, 3888, 10839, 30421, 86218, 246499, 708931, 2050584, 5962100, 17407554, 51019081, 150052163, 442677295, 1309668356, 3884884796, 11551622175, 34425468793, 102807253860, 307617338332, 922112808168, 2768808168311, 8327028966970 ]
[ "nonn" ]
A210927
[ 1, 5, 172, 38444, 36567600, 139088906848, 2108407726540016, 127364809805575910000, 3.066030598689986e+25, 2.9412752846682456e+31 ]
[ "nonn" ]
A373517
[ 1, 1, 1, 1, 9, 41, 121, 1401, 11761, 61489, 864081, 10597841, 81833401, 1350154521, 21715461769, 225232218121, 4267472824161, 84597818284001, 1111699778741281, 23801969674626850, 558853937533757200, 8943028907965939000, 213696639293901800000 ]
[ "nonn" ]
A234182
[ 266434, 39781838, 6069161546, 946183426722, 148632892397508, 23438907703606290, 3703737043672511500, 585963334926246400000, 9.278027141642841e+22, 1.4699606050238538e+25 ]
[ "nonn" ]
A320881
[ 4, 6, 10, 13, 14, 17, 25, 28, 29, 35, 40, 46, 47, 50, 58, 61, 68, 73, 79, 80, 83, 94, 95, 103, 106, 107, 113, 115, 118, 119, 136, 137, 148, 152, 158, 163, 170, 173, 181, 184, 191, 196, 202, 206, 214, 215, 218, 230, 238, 241, 242, 248, 253, 259, 271, 274, 281, 286, 292, 293, 296, 307, 316 ]
[ "nonn", "base" ]
A157482
[ 0, 1, 5, 8, 10, 16, 21, 24, 30, 39, 42, 52, 57, 65, 75, 86, 92, 102, 115, 122, 133, 150, 151, 176, 181, 192, 209, 221, 239, 252, 270, 273, 307, 308, 328, 350, 359, 383, 407, 414, 430, 460, 472, 494, 504, 548, 554, 571, 590, 629, 642, 669, 681, 722, 724, 749, 776 ]
[ "nonn" ]
A363015
[ 1, 0, 5, 13, 80, 352, 1955, 10155, 56934, 316413, 1810151, 10415443, 60776075, 357233548, 2118007035, 12637190038, 75866774437, 457815076217, 2775815358337, 16900781081347, 103294693694125, 633491925784696, 3897330320229845, 24045718580772440, 148748241343153300 ]
[ "nonn" ]
A170025
[ 1, 16, 240, 3600, 54000, 810000, 12150000, 182250000, 2733750000, 41006250000, 615093750000, 9226406250000, 138396093750000, 2075941406250000, 31139121093750000, 467086816406250000, 7006302246093750000 ]
[ "nonn" ]
A215890
[ 1, 7, 461, 84827, 30648697, 18319873199, 16364889804485, 20422587185959364, 33936856584735110000, 7.244248518932351e+22, 1.9317755009428512e+26, 6.293250078548985e+29, 2.4593948254431601e+33, 1.135585059490468e+37, 6.116028398603041e+40, 3.800113222815736e+44 ]
[ "nonn" ]
A195724
[ 1, 2, 8, 9, 7, 6, 1, 4, 2, 5, 2, 9, 2, 0, 8, 3, 0, 2, 1, 5, 1, 1, 3, 0, 6, 7, 4, 1, 2, 7, 7, 4, 8, 2, 8, 9, 8, 5, 7, 5, 4, 6, 7, 1, 9, 7, 0, 8, 8, 3, 9, 9, 6, 9, 3, 0, 1, 1, 9, 8, 0, 2, 2, 1, 5, 1, 1, 4, 6, 1, 1, 3, 4, 1, 8, 3, 7, 3, 2, 7, 2, 5, 2, 1, 4, 0, 1, 8, 0, 1, 8, 6, 0, 5, 3, 5, 3, 0, 9, 1 ]
[ "nonn", "cons" ]
A158364
[ 527, 2112, 4755, 8456, 13215, 19032, 25907, 33840, 42831, 52880, 63987, 76152, 89375, 103656, 118995, 135392, 152847, 171360, 190931, 211560, 233247, 255992, 279795, 304656, 330575, 357552, 385587, 414680, 444831, 476040, 508307, 541632 ]
[ "nonn", "easy" ]
A108168
[ 0, 1, 2, 3, 5, 9, 12, 21, 37, 65, 114, 200, 265, 465, 816, 1432, 2513, 4410, 5842, 10252, 17991, 31572, 55405, 97229, 128801, 226030, 396655, 696081, 1221537, 2143648, 3761840, 4983377, 8745217, 15346786, 26931732, 47261895, 82938844, 109870576 ]
[ "nonn", "uned" ]
A238862
[ 1, 2, 3, 4, 6, 7, 5, 9, 11, 8, 10, 12, 14, 15, 13, 18, 20, 16, 24, 19, 17, 21, 23, 25, 22, 27, 29, 26, 28, 30, 32, 33, 31, 35, 37, 38, 36, 41, 43, 39, 47, 51, 34, 40, 42, 44, 46, 48, 45, 50, 52, 49, 53, 55, 57, 54, 58, 60, 61, 56, 65, 63, 66, 59, 64, 69, 72 ]
[ "nonn" ]