id
stringlengths
7
11
seq
listlengths
1
347
keywords
listlengths
1
8
A080236
[ 1, 1, -1, 1, 0, -2, 1, 1, -2, -2, 1, 2, -1, -4, -1, 1, 3, 1, -5, -5, 1, 1, 4, 4, -4, -10, -4, 4, 1, 5, 8, 0, -14, -14, 0, 8, 1, 6, 13, 8, -14, -28, -14, 8, 13, 1, 7, 19, 21, -6, -42, -42, -6, 21, 19, 1, 8...
[ "sign", "tabl" ]
A099364
[ 1, -2, 2, -4, 5, -10, 14, -28, 42, -84, 132, -264, 429, -858, 1430, -2860, 4862, -9724, 16796, -33592, 58786, -117572, 208012, -416024, 742900, -1485800, 2674440, -5348880, 9694845, -19389690, 35357670, -70715340, 129644790, -259289580, 477638700, ...
[ "easy", "sign" ]
A353864
[ 1, 1, 2, 3, 4, 6, 8, 11, 14, 19, 25, 33, 39, 51, 65, 82, 101, 126, 154, 191, 232, 284, 343, 416, 496, 600, 716, 855, 1018, 1209, 1430, 1691, 1991, 2345, 2747, 3224, 3762, 4393, 5116, 5946, 6897, 7998, 9257, 10696, 12336, 14213...
[ "nonn" ]
A377375
[ 0, 0, 0, 4, 11, 25, 42, 70, 101, 147, 196, 264, 335, 429, 526, 650, 777, 935, 1096, 1292, 1491, 1729, 1970, 2254, 2541, 2875, 3212, 3600, 3991, 4437, 4886, 5394, 5905, 6479, 7056, 7700, 8347, 9065, 9786, 10582, 11381, 12259, 13140, ...
[ "nonn", "easy" ]
A151498
[ 1, 1, 3, 12, 57, 301, 1707, 10191, 63244, 404503, 2650293, 17709684, 120288313, 828352036, 5771747783, 40625485570, 288482116987, 2064429518054, 14874855533504, 107832596542894, 785986247826371, 5757192302807027, 42357833323697590, 312901369167191900, 2319946973815290...
[ "nonn", "walk" ]
A317717
[ 1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 13, 14, 15, 16, 17, 19, 22, 26, 29, 30, 31, 32, 33, 34, 35, 36, 38, 41, 42, 43, 47, 51, 53, 55, 58, 59, 62, 64, 66, 67, 70, 77, 78, 79, 82, 85, 86, 93, 94, 95, 100, 101, 102, 105...
[ "nonn", "changed" ]
A196486
[ 1, 7, 5, 1, 25, 23, 19, 11, 79, 77, 73, 65, 49, 17, 241, 239, 235, 227, 211, 179, 115, 727, 725, 721, 713, 697, 665, 601, 473, 217, 2185, 2183, 2179, 2171, 2155, 2123, 2059, 1931, 1675, 1163, 139, 6559, 6557, 6553, 6545, 6529,...
[ "nonn", "tabf" ]
A047386
[ 0, 2, 5, 7, 9, 12, 14, 16, 19, 21, 23, 26, 28, 30, 33, 35, 37, 40, 42, 44, 47, 49, 51, 54, 56, 58, 61, 63, 65, 68, 70, 72, 75, 77, 79, 82, 84, 86, 89, 91, 93, 96, 98, 100, 103, 105, 107, 110, 112, 114, 117, 119, ...
[ "nonn", "easy" ]
A162981
[ 1, 1, 1, 1, 2, 1, 1, 3, 3, 1, 2, 4, 6, 4, 1, 4, 7, 10, 10, 5, 1, 8, 14, 18, 20, 15, 6, 1, 17, 29, 36, 39, 35, 21, 7, 1, 37, 62, 76, 80, 75, 56, 28, 8, 1, 82, 136, 165, 172, 161, 132, 84, 36, 9, 1, 185, 30...
[ "nonn", "tabl" ]
A088138
[ 0, 1, 2, 0, -8, -16, 0, 64, 128, 0, -512, -1024, 0, 4096, 8192, 0, -32768, -65536, 0, 262144, 524288, 0, -2097152, -4194304, 0, 16777216, 33554432, 0, -134217728, -268435456, 0, 1073741824, 2147483648, 0, -8589934592, -17179869184, 0, 6871947...
[ "easy", "sign" ]
A166948
[ 2, 1, 3, 2, 1, 2, 1, 1, 4, 1, 2, 1, 1, 3, 2, 1, 3, 2, 1, 5, 1, 1, 1, 2, 1, 1, 3, 1, 2, 2, 1, 4, 2, 1, 1, 2, 1, 1, 3, 1, 1, 2, 1, 2, 6, 1, 1, 2, 1, 1, 3, 1, 1, 2, 1, 1, 4, 4, 1, 2, 1, 1, 1, 3...
[ "nonn" ]
A031211
[ 1, 1, 25, 154, 154, 154, 154, 25, 154, 154, 1, 25, 154, 154, 1, 25, 25, 1, 154, 154, 25, 154, 154, 25, 154, 154, 154, 25, 154, 1, 154, 154, 25, 154, 25, 25, 25, 1, 154, 154, 154, 1, 154, 25, 154, 25, 25, 154, 154, 154,...
[ "nonn", "base" ]
A335066
[ 1, 81, 91, 109, 127, 360, 361, 417, 504, 540, 541, 631, 661, 720, 781, 841, 918, 981, 991, 1008, 1009, 1039, 1080, 1081, 1088, 1089, 1090, 1091, 1093, 1099, 1105, 1111, 1116, 1117, 1118, 1119, 1120, 1121, 1122, 1123, 1124, 1125, 112...
[ "nonn", "base" ]
A301316
[ 0, 2, 3, 7, 0, 13, 35, 49, 64, 81, 11, 1, 0, 57, 1, 1, 85, 1, 38, 1, 1, 133, 184, 1, 1, 521, 1, 1, 522, 1, 589, 1, 1, 885, 1, 1, 259, 381, 1, 1, 656, 1, 559, 1, 1, 553, 282, 1, 1, 1, 1, 1, 1802, 1, 1, 1, ...
[ "nonn" ]
A203640
[ 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, 2, 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...
[ "nonn", "less" ]
A057701
[ 1, 3, 7, 9, 13, 15, 31, 33, 49, 51, 67, 69, 73, 75, 127, 129, 133, 135, 169, 171, 193, 195, 235, 237, 259, 261, 283, 285, 319, 321, 391, 393, 427, 429, 475, 477, 487, 489, 517, 519, 535, 537, 577, 579, 613, 615, 619, 621, ...
[ "easy", "nonn" ]
A120335
[ 7.960034345692521e+40, 6.772705182575423e+49, 1.7096333467784943e+52 ]
[ "nonn", "bref" ]
A115574
[ 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 2, 1, 1, 2, 1, 1, 2, 1, 1, 2, 1, 1, 2, 2, 1, 1, 3, 3, 1, 1, 3, 3, 1, 1, 2, 2, 1, 1, 3, 3, 1, 1, 2, 2, 1, 1, 3, 3, 1, 1, 2, 2, 2, 1, 1, 3, 4, 3, 1, 1, 3, 4, 3...
[ "nonn", "fini", "tabf" ]
A291486
[ 2, 3, 5, 6, 1, 4, 7, 4, 0, 8, 4, 0, 2, 5, 6, 0, 4, 4, 9, 6, 0, 7, 3, 1, 2, 7, 0, 5, 6, 5, 2, 4, 4, 2, 0, 4, 0, 8, 6, 5, 3, 7, 6, 8, 3, 1, 3, 3, 6, 3, 1, 6, 9, 9, 6, 9, 7, 1, 8, 9, 7, 8, 9, 3...
[ "nonn", "cons" ]
A163463
[ 1, 3, 6, 8, 9, 10, 11, 13, 14, 15, 16, 18, 19, 23, 26, 28, 29, 31, 32, 34, 37, 39, 40, 42, 43, 45, 48, 49, 50, 51, 52, 54, 55, 57, 58, 60, 61, 63, 65, 66, 67, 71, 72, 74, 76, 78, 79, 83, 85, 86, 88, 90, 91, 95,...
[ "nonn" ]
A171662
[ 0, 0, 1, 3, 6, 9, 13, 17, 22, 28, 35, 42, 50, 58, 67, 77, 88, 99, 111, 123, 136, 150, 165, 180, 196, 212, 229, 247, 266, 285, 305, 325, 346, 368, 391, 414, 438, 462, 487, 513, 540, 567, 595, 623, 652, 682, 713, 744, 776,...
[ "nonn", "easy" ]
A346088
[ 1, 2, 3, 4, 5, 3, 7, 4, 9, 5, 11, 4, 13, 7, 5, 16, 17, 9, 19, 5, 7, 11, 23, 4, 25, 13, 27, 7, 29, 5, 31, 32, 11, 17, 7, 9, 37, 19, 13, 5, 41, 7, 43, 11, 9, 23, 47, 16, 49, 25, 17, 13, 53, 27, 11, 7, 19, ...
[ "nonn" ]
A218819
[ 7, 108, 1028, 8961, 80692, 720305, 6449353, 57696032, 516297052, 4619740712, 41337798409, 369890905178, 3309794955133, 29616122507437, 265005821287188, 2371278692119396, 21218261329031224, 189861534294482600 ]
[ "nonn" ]
A367768
[ 4, 8, 9, 10, 14, 16, 18, 21, 22, 24, 25, 26, 27, 32, 33, 34, 36, 38, 39, 40, 42, 46, 48, 49, 50, 51, 54, 55, 56, 57, 58, 62, 64, 65, 66, 69, 70, 72, 74, 75, 78, 80, 81, 82, 84, 85, 86, 87, 88, 91, 93, 94, 95, 9...
[ "nonn" ]
A100467
[ 14, 21, 34, 129, 141, 158, 187, 194, 206, 221, 361, 382, 391, 393, 674, 893, 922, 934, 1067, 1094, 1133, 1293, 1415, 1441, 1473, 1569, 1589, 1681, 1703, 1739, 1769, 1982, 2119, 2206, 2362, 2395, 2433, 2481, 2507, 2602, 2614, 2627, 2...
[ "easy", "nonn" ]
A121277
[ 1, 2, 4, 10, 32, 126, 588, 3171, 19382, 132099, 990756, 8093603, 71436060, 676734190, 6842383982, 73483900031, 834766518890, 9994386677811, 125715770020804, 1656716763283342, 22816308485104496, 327646842078735040, 4896100535018809000, 75994281001001100000 ]
[ "nonn" ]
A252330
[ 10227, 9142, 22016, 63277, 214176, 632453, 1835652, 6821035, 20633429, 59088476, 219803901, 667481680, 1914981833, 7126650000, 21591653297, 61998441904, 231093549133, 698634345021, 2007471684426, 7494893397349, 22610972881760 ]
[ "nonn" ]
A176247
[ 2, 5, 17, 23, 47, 107, 113, 227, 233, 317, 353, 467, 743, 827, 1013, 1163, 1223, 1283, 1493, 1697, 1823, 1877, 2063, 2333, 2543, 2957, 3323, 3467, 3767, 3797, 4013, 4397, 4523, 5297, 5393, 5507, 5693, 5717, 5897, 5927, 6053, 6317, 6...
[ "nonn" ]
A252316
[ 4197, 1918, 2493, 6011, 18820, 62915, 214325, 735703, 2536027, 8732521, 30044845, 103433765, 356211933, 1226556113, 4222869979, 14539252073, 50061142569, 172368826263, 593481176363, 2043402198747, 7035653625011, 24224571440057 ]
[ "nonn" ]
A031173
[ 240, 275, 693, 720, 792, 1155, 1584, 2340, 2640, 2992, 3120, 5984, 6325, 6336, 6688, 6732, 8160, 9120, 9405, 10725, 11220, 12075, 13860, 14560, 16800, 17472, 17748, 18560, 19305, 21476, 23760, 23760, 24684, 25704, 26649, 29920, 30780 ]
[ "nonn" ]
A302283
[ 0, 162, 942, 941, 3854, 15862, 72083, 229708, 713848, 2948380, 12041624, 42878033, 150037123, 568430873, 2213341390, 8198208076, 29843299672, 111484320586, 422946390276, 1581927104188, 5856632633328, 21841388005545, 82061911191197 ]
[ "nonn" ]
A171975
[ 0, 1, 1, 2, 3, 3, 4, 4, 5, 6, 6, 7, 7, 8, 9, 9, 10, 11, 11, 12, 12, 13, 14, 14, 15, 15, 16, 17, 17, 18, 18, 19, 20, 20, 21, 22, 22, 23, 23, 24, 25, 25, 26, 26, 27, 28, 28, 29, 30, 30, 31, 31, 32, 33, 33, 34...
[ "nonn" ]
A144606
[ 0, 0, 1, 0, 1, 0, 0, 1, 0, 1, 0, 1, 0, 0, 1, 0, 1, 0, 1, 0, 0, 1, 0, 1, 0, 0, 1, 0, 1, 0, 1, 0, 0, 1, 0, 1, 0, 1, 0, 0, 1, 0, 1, 0, 0, 1, 0, 1, 0, 1, 0, 0, 1, 0, 1, 0, 1, 0, 0, 1, 0, 1, 0, 0...
[ "nonn", "easy" ]
A117707
[ 0, 1, 1, 2, 2, 2, 3, 3, 3, 3, 4, 4, 4, 4, 4, 5, 5, 5, 5, 5, 5, 6, 6, 6, 6, 6, 6, 6, 7, 7, 7, 7, 7, 7, 7, 7, 8, 8, 8, 8, 8, 8, 8, 8, 8, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 10, 10, 10, 10, 10, 10, 10, ...
[ "nonn", "base" ]
A092955
[ 5, 13, 85, 183, 1729, 3932, 49153, 102790, 1600001, 3179144, 59719681, 114818732 ]
[ "base", "nonn" ]
A026089
[ 1, 2, 4, 16, 93, 518, 2932, 16709, 95849, 552749, 3201848, 18616751, 108592239, 635175153, 3724193120, 21881993115, 128810517855, 759515272026, 4485048436792, 26520334731436, 157006248094198 ]
[ "nonn" ]
A126658
[ 72353, 1745153, 7444673, 44726593, 49202147, 61503553, 100006817, 100072097, 101686177, 107444417, 143046977, 214756067, 257412163, 430372577, 431661313, 435812033, 447149537, 452523713, 489805633, 530372321, 744340577, 834187553 ]
[ "nonn" ]
A125122
[ 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1...
[ "easy", "nonn", "base" ]
A117732
[ 1, 2, 3, 4, 5, 6, 7, 8, 9, 24, 27, 48, 81, 192, 243, 288, 375, 392, 486, 512, 576, 648, 729, 864, 972, 1296, 1458, 1728, 1944, 2187, 2401, 2592, 2916, 3456, 4374, 4608, 4802, 4913, 5184, 5832, 6561, 6912, 10368, 11664, 13824, ...
[ "base", "nonn" ]
A143363
[ 1, 1, 1, 3, 6, 17, 43, 123, 343, 1004, 2938, 8791, 26456, 80597, 247091, 763507, 2372334, 7413119, 23271657, 73376140, 232238350, 737638868, 2350318688, 7510620143, 24064672921, 77294975952, 248832007318, 802737926643 ]
[ "nonn" ]
A068055
[ 1, 4, 12, 30, 71, 155, 336, 700, 1451, 2963, 6000, 12107, 24323, 48870, 97987, 196223, 392767, 785945, 1572352, 3145553, 6291979, 12584948, 25171711, 50345420, 100693416, 201390141, 402783805, 805571907, 1611148335, 3222301504, 6444608066, 12889222420 ]
[ "nonn" ]
A164620
[ 2, 5, 13, 17, 41, 61, 89, 97, 101, 113, 149, 173, 229, 241, 281, 317, 349, 353, 373, 397, 409, 421, 433, 461, 509, 521, 661, 673, 761, 853, 881, 937, 941, 1013, 1093, 1109, 1249, 1289, 1297, 1373, 1433, 1549, 1741, 1753, 1913, ...
[ "nonn", "easy" ]
A276399
[ 1, 1, 2, 1, 24, 5, 720, 126, 4480, 6048, 3628800, 95040, 479001600, 55598400, 5806080, 1816214400, 20922789888000, 40327372800, 6402373705728000, 2501955993600, 8911728967680000, 193526296104960000, 1.1240007277776077e+21, 696294353018880000, 2.256176006302689e+21 ]
[ "nonn", "frac" ]
A119695
[ 0, 2, 48, 1800, 47040, 1323000, 35126784, 937872936, 24735110400, 651019271760, 17067389768000, 446585320669488, 11663935674273792, 304250554223980000, 7927831278607968000, 206402082984558900000, 5.369988005412125e+21 ]
[ "easy", "nonn" ]
A020472
[ 89, 8999, 89899, 89989, 98899, 98999, 99989, 888989, 898889, 989999, 998989, 8888989, 8889889, 8988989, 8989999, 8998889, 8999899, 9888889, 9889889, 9899999, 9989899, 9999889, 88888999, 88898989, 88989899, 89888989, 89889889, 89898889, 89999999, 98888989 ]
[ "nonn", "base" ]
A234058
[ 237966121, 99212997474, 41752512059499, 17672707197951102, 7477499627486219000, 3.162697435777521e+21, 1.3373615447363133e+24, 5.655017919378353e+26, 2.391149611506544e+29 ]
[ "nonn" ]
A280909
[ 1, 1, 1, 1, 2, 3, 4, 5, 7, 9, 12, 15, 19, 24, 30, 37, 47, 58, 72, 87, 107, 130, 158, 190, 229, 275, 330, 393, 469, 557, 661, 780, 921, 1084, 1275, 1494, 1750, 2044, 2386, 2777, 3231, 3750, 4348, 5030, 5815, 6711, 7738, 890...
[ "nonn" ]
A074853
[ 900, 1764, 4356, 4900, 6084, 7560, 10404, 11025, 11880, 12100, 12996, 13440, 14040, 16632, 16900, 18360, 19044, 19656, 20520, 21000, 21120, 23716, 24840, 24960, 25704, 27225, 28728, 28900, 29568, 30276, 30888, 31320, 32640, 33000, 33124, 33480, ...
[ "nonn" ]
A140705
[ 1, 5, 1, 9, 1, 1, 19, 5, 1, 1, 23, 5, 1, 1, 1, 39, 9, 5, 1, 1, 1, 43, 9, 5, 1, 1, 1, 1, 63, 19, 5, 5, 1, 1, 1, 1, 73, 19, 9, 5, 1, 1, 1, 1, 1, 89, 23, 9, 5, 5, 1, 1, 1, 1, 1, 93, 23, 9, 5, 5, 1, ...
[ "nonn", "tabl" ]
A103625
[ 0, 0, 2, 4, 34, 62, 480, 870, 6692, 12124, 93214, 168872, 1298310, 2352090, 18083132, 32760394, 251865544, 456293432, 3508034490, 6355347660, 48860617322, 88518573814, 680540608024, 1232904685742, 9478707895020, 17172147026580, 132021369922262, 239177153686384 ]
[ "nonn", "easy" ]
A035792
[ 9419, 62969, 72221, 392261, 495569, 663569, 1006301, 1138367, 1159187, 1173539, 1322147, 2144477, 2168651, 2502341, 2668217, 3020999, 3215711, 3664679, 4890857, 5248079, 5261699, 5532269, 5561597, 5651729, 5787317, 6256727 ]
[ "nonn" ]
A004993
[ 1, 6, 126, 3276, 93366, 2800980, 86830380, 2753763480, 88808872230, 2901089826180, 95735964263940, 3185396629145640, 106710787076378940, 3595332672265690600, 121727691903852660000, 4.1387415247309903e+21 ]
[ "nonn", "easy" ]
A286161
[ 1, 5, 2, 18, 2, 23, 2, 59, 7, 23, 2, 94, 2, 23, 16, 195, 2, 80, 2, 94, 16, 23, 2, 355, 7, 23, 29, 94, 2, 467, 2, 672, 16, 23, 16, 706, 2, 23, 16, 355, 2, 467, 2, 94, 67, 23, 2, 1331, 7, 80, 16, 94, 2, 302, 16...
[ "nonn" ]
A154523
[ 11, 13, 18, 31, 41, 52, 62, 73, 80, 81, 110, 112, 113, 114, 115, 116, 121, 125, 128, 133, 135, 140, 141, 142, 152, 156, 157, 164, 167, 170, 180, 187, 188, 189, 191, 192, 193, 194, 195, 196, 198, 199, 211, 215, 216, 217, 218,...
[ "nonn", "base", "less" ]
A215912
[ 3, 3, 5, 19, 89, 3709, 266993, 15394128503491 ]
[ "nonn" ]
A212230
[ 302615, 808403, 2204646, 6062948, 16740414, 46305966, 128148456, 354470546, 979272751, 2700150083, 7425872754, 20355794336, 55576133157, 151888056136, 415782103202, 1139624300299, 3126418458642, 8581964181953, 23565242287322 ]
[ "nonn" ]
A173731
[ 0, 0, 1, 11, 88, 638, 4466, 30856, 212135, 1455685, 9981840, 68428140, 469043796, 3214953456, 22035826813, 151036348463, 1035219958696, 7095506886986, 48633337477670, 333337879614520, 2284731883069955, 15659785467455304 ]
[ "nonn" ]
A094667
[ 1, 4, 14, 48, 165, 572, 2001, 7056, 25042, 89320, 319793, 1148184, 4131009, 14885468, 53697270, 193862592, 700312381, 2530902676, 9149426897, 33083393640, 119645675898, 432748165304, 1565346866889, 5662560013488, 20484930829825, 74108882866612, 268111981441886 ]
[ "nonn", "easy" ]
A091658
[ 4, 9, 30, 40, 44, 130, 276, 647, 791, 878, 1008, 3041, 3200, 3384, 5606, 9721, 17899, 22640, 34070, 34152, 37648, 91193, 134943, 152617, 158172, 190950, 258992, 315679, 525765, 558041, 734305, 1500708, 1669873, 1873804, 1936902, 4278672, 522731...
[ "nonn" ]
A240640
[ 14, 1391, 138882, 13897353, 1390560136, 139138607313, 13922129807222, 1393040370960551, 139386826311366370, 13946966455660995000, 1.3955255208826663e+21, 1.3963548887722368e+23 ]
[ "nonn" ]
A323207
[ 1, 2, 4, 10, 33, 141, 752, 4825, 36027, 305132, 2879840, 29909421, 338479429, 4139716658, 54339861530, 761150445734, 11322139144239, 178116143657889, 2952831190016238, 51423702126549170, 938126972940647200, 17883424301972474000 ]
[ "nonn" ]
A108186
[ 7, 7, 8, 8, 8, 8, 9, 9, 9, 9, 10, 10, 10, 10, 11, 11, 11, 11, 12, 12, 12, 12, 12, 13, 13, 13, 13, 14, 14, 14, 14, 15, 15, 15, 15, 16, 16, 16, 16, 16, 17, 17, 17, 17, 18, 18, 18, 18, 18, 19, 19, 19, 19, 20, 20...
[ "nonn", "uned" ]
A009278
[ 1, 6, 4, 21, 6, 12, 8, 60, 39, 36, 12, 84, 14, 24, 24, 155, 18, 78, 20, 42, 32, 36, 24, 120, 93, 84, 40, 168, 30, 72, 32, 126, 48, 108, 48, 819, 38, 60, 56, 360, 42, 96, 44, 84, 78, 72, 48, 620, 57, 186, 72, 294, ...
[ "nonn" ]
A297914
[ 1, 864, 2016, 35788, 789026, 15983426, 362523451, 7903384843, 176308045666, 3941879866879, 87755060397182, 1960425981130977, 43770946796249150, 977291527301161600, 21823838569731610000, 487330565461513140000 ]
[ "nonn" ]
A275168
[ 6, 18, 23, 41, 42, 59, 78, 86, 96, 114, 115, 123, 142, 187, 195, 205, 213, 214, 240, 261, 262, 266, 303, 322, 329, 330, 383, 423, 478, 501, 510, 581, 610, 618, 642, 682, 690, 698, 761, 774, 807, 865, 870, 906, 959, 963, 990,...
[ "nonn" ]
A237600
[ 2, 3, 5, 7, 11, 13, 37, 41, 43, 47, 53, 59, 61, 83, 89, 113, 127, 179, 181, 191, 211, 223, 593, 599, 601, 607, 659, 661, 691, 701, 757, 761, 853, 857, 859, 863, 947, 953, 977, 983, 991, 1427, 1429, 1433, 1439, 1811, 1823, ...
[ "nonn", "base", "fini", "full", "easy", "tabf" ]
A302178
[ 1, 4, 40, 570, 9898, 195216, 4209084, 96941130, 2349133930, 59272544760, 1545550116240, 41416083787260, 1135679731004700, 31760915181412800, 903492759037272400, 26086451983000502000, 763124703525759000000, 2.258537487381085e+22, 6.754193880097991e+23 ]
[ "nonn", "walk" ]
A141961
[ 47, 101, 263, 317, 479, 587, 641, 857, 911, 1019, 1181, 1289, 1451, 1559, 1613, 1667, 1721, 2099, 2153, 2207, 2423, 2477, 2531, 2693, 2801, 2909, 2963, 3449, 3557, 3719, 3881, 3989, 4259, 4421, 4583, 4637, 4691, 4799, 5231, 5393, 5501, ...
[ "nonn", "easy" ]
A299074
[ 1, 33, 853, 20853, 502789, 12080901, 290025541, 6961116741, 167069824837, 4009693935429, 96232763288389, 2309586971953989, 55430091245099850, 1330322213391637200, 31927733262454776000, 766265599145247500000, 1.8390374384563938e+22, 4.4136898526000254e+23 ]
[ "nonn", "easy" ]
A001300
[ 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 4, 4, 4, 4, 4, 6, 6, 6, 6, 6, 9, 9, 9, 9, 9, 13, 13, 13, 13, 13, 18, 18, 18, 18, 18, 24, 24, 24, 24, 24, 31, 31, 31, 31, 31, 39, 39, 39, 39, 39, 50, 50, 50, 50, 50, 62, 62, ...
[ "nonn", "easy" ]
A310445
[ 1, 4, 10, 15, 19, 25, 30, 39, 40, 44, 50, 57, 62, 66, 70, 79, 82, 86, 90, 97, 102, 108, 112, 119, 122, 126, 132, 139, 142, 148, 152, 161, 164, 166, 172, 179, 184, 190, 192, 201, 204, 208, 214, 219, 224, 230, 234, 243, 24...
[ "nonn" ]
A015763
[ 1, 2, 3, 6, 12, 14, 15, 30, 35, 42, 46, 56, 70, 78, 105, 134, 138, 140, 161, 168, 184, 190, 210, 230, 248, 264, 270, 299, 322, 357, 402, 414, 418, 420, 483, 552, 570, 594, 598, 616, 623, 630, 644, 670, 690, 714, 744, 805, ...
[ "nonn", "easy" ]
A028558
[ 0, 1, 6, 18, 24, 202, 203, 814, 2067, 2178, 2207, 20402, 25116, 64493, 82566, 207067, 2040402, 2187142, 2233097, 6887078, 79585891, 211313148, 249281986, 8161664181, 22222222222, 26331005924, 81294635989, 2008491060208, 2048192235518, 2228557243297, 247195...
[ "nonn", "base" ]
A084884
[ 0, 1, 0, 1, -1, 0, 4, 1, 8, 0, 1, -3, -2, -1, 0, 5, 1, 1, -1, 19, 0, 1, -5, -4, -3, -2, -29, 0, 12, 4, 28, 1, 52, 8, 76, 0, 6, 3, 1, -3, 21, -1, 33, -15, 0, 7, 1, 11, -3, 1, -2, 39, -1, 1, 0, 1, -9, -8,...
[ "sign", "tabl" ]
A067530
[ 3, 4, 5, 7, 9, 13, 19, 25, 43, 85, 103, 133, 403, 763, 943, 1573, 1603, 2713, 5233, 26023, 37363, 177133, 186043, 276043, 277603, 305863, 968833, 1449313, 1540033, 5854363, 6013873, 26114323, 35088793, 291865753, 724927333 ]
[ "nonn" ]
A372985
[ 1, 2, 6, 6, 2, 2, 5, 7, 4, 3, 4, 6, 5, 4, 4, 6, 6, 5, 5, 6, 6, 5, 5, 6, 7, 6, 5, 6, 8, 7, 5, 6, 8, 8, 6, 6, 8, 8, 6, 6, 8, 9, 7, 6, 8, 10, 8, 6, 7, 10, 9, 7, 7, 9, 10, 8, 7, 9, 10, 8, 7, 9, 11...
[ "nonn" ]
A226801
[ 4683, 25988, 87135, 227304, 507035, 1014348, 1871583, 3242960, 5342859, 8444820, 12891263, 19103928, 27595035, 38979164, 53985855, 73472928, 98440523, 130045860, 169618719, 218677640, 278946843, 352373868, 441147935, 547719024, 674817675, 825475508 ]
[ "nonn", "easy" ]
A308205
[ 1, 1, 2, 8, 38, 234, 1679, 13802, 127155, 1297619, 14516296, 176640311, 2322876382, 32831464503, 496399943530, 7995690518504, 136701790293581, 2472679442088700, 47180405307783440, 947116124382018000, 19954735355719570000, 440286840550877200000 ]
[ "nonn" ]
A059714
[ 1, 3, 11, 44, 184, 789, 3435, 15100, 66806, 296870, 1323318, 5911972, 26455294, 118528793, 531540891, 2385375732, 10710619014, 48112492938, 216195753066, 971744791032, 4368674392104, 19643610378738, 88339070102046, 397313118498744, 1787115246076764 ]
[ "nonn" ]
A359790
[ 1, -2, -2, -1, -2, 2, -2, -1, -3, 0, -2, 3, -2, -2, -1, 0, -2, 6, -2, 3, -3, -6, -2, 7, -7, -8, -8, 3, -2, 12, -2, 3, -7, -12, -5, 9, -2, -14, -9, 11, -2, 18, -2, 3, 0, -18, -2, 11, -11, 6, -13, 3, -2, 26, -9...
[ "sign" ]
A090099
[ 1, 8, 7, 30, 3, 22, 38, 54, 42, 14 ]
[ "nonn" ]
A005589
[ 4, 3, 3, 5, 4, 4, 3, 5, 5, 4, 3, 6, 6, 8, 8, 7, 7, 9, 8, 8, 6, 9, 9, 11, 10, 10, 9, 11, 11, 10, 6, 9, 9, 11, 10, 10, 9, 11, 11, 10, 5, 8, 8, 10, 9, 9, 8, 10, 10, 9, 5, 8, 8, 10, 9, 9, 8, 10, 10, 9, ...
[ "nonn", "word", "nice" ]
A105626
[ 1, 3, 1, 18, 6, 1, 150, 48, 9, 1, 1566, 480, 93, 12, 1, 19494, 5736, 1125, 153, 15, 1, 280998, 79584, 15681, 2190, 228, 18, 1, 4598910, 1256808, 247929, 35181, 3780, 318, 21, 1, 84237246, 22262640, 4389213, 629424, 68961, 6000, 423,...
[ "nonn", "tabl" ]
A287287
[ 1, 0, 4, 0, 0, 0, 0, 0, 480, 0, 0, 0, 0, 0, 0, 0, 3584, 0, 0, 0, 16384, 0, 0, 0, 0, 0, 2097152, 0, 25165824, 0, 4194304, 0, 1074659328, 0, 0, 0, 8594128896, 0, 4764729344, 0, 292057776128, 0, 1664568262656, 0, 274877906944, 0,...
[ "nonn", "easy" ]
A030678
[ 125, 27, 343, 4096, 512, 64, 729, 8000, 9261, 110592, 226981, 3375, 4410944, 551368, 6644672, 778688, 884736, 9938375, 101194696, 111284641, 12167, 13144256, 14172488, 151419437, 16194277, 17173512, 1815848, 191102976 ]
[ "nonn", "base" ]
A359321
[ 2300, 6201, 8125, 6391 ]
[ "nonn", "more" ]
A153386
[ 1, 5, 3, 5, 3, 7, 0, 5, 0, 8, 8, 3, 6, 2, 5, 2, 9, 8, 5, 0, 2, 9, 8, 5, 2, 8, 9, 6, 6, 5, 1, 5, 9, 9, 0, 0, 6, 3, 6, 7, 0, 1, 1, 5, 9, 1, 0, 7, 1, 1, 3, 8, 5, 6, 3, 2, 3, 5, 2, 6, 3, 6, 6, 5...
[ "nonn", "cons" ]
A317801
[ 1, 2, 5, 36, 465, 8504, 196900, 5448960, 174282930, 6304990774, 254130115519, 11285072891720, 547300883009420, 28782595694322680, 1631647871872694000, 99196878522983090000, 6.438935162966517e+21, 4.445015756923149e+23, 3.2520919561355192e+25, 2.513781290973909e+27, 2.04713526...
[ "nonn" ]
A045746
[ 1, 2, 5, 8, 12, 22, 36, 45, 54, 56, 87, 95, 98, 104, 116, 152, 160, 200, 212, 258, 328, 342, 356, 393, 427, 441, 473, 492, 531, 572, 582, 588, 660, 668, 672, 726, 740, 800, 843, 852, 858, 879, 908, 909, 910, 940, 962, 992 ...
[ "nonn" ]
A157691
[ 1, -11, -210, 15191, 245910, -15083651, -718219530, 247295271487, 3916095570870, -433532699342501, -34317632753335050, 9287107000416477000, 441077236916505350000, -7.05342510530309e+22, -7.816451672733198e+24, 1.15380690860514e+28 ]
[ "sign", "frac" ]
A001470
[ 1, 1, 1, 3, 9, 21, 81, 351, 1233, 5769, 31041, 142011, 776601, 4874013, 27027729, 168369111, 1191911841, 7678566801, 53474964993, 418199988339, 3044269834281, 23364756531621, 199008751634001, 1605461415071823, 13428028220072048, 123280859122040600 ]
[ "easy", "nonn", "nice" ]
A211893
[ 1, 3, 6, 36, 561, 98211, 43176384, 116622937722, 1022189210900601, 41675008108242050000, 6.377839090284322e+24, 4.114890941608928e+30, 1.0460015732506081e+37, 1.0848261111096645e+44 ]
[ "nonn" ]
A329679
[ 1, 1, 1, 2, 1, 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, 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...
[ "nonn", "walk", "easy" ]
A057213
[ 1, 2, 11, 1, 2, 2, 1, 1, 11, 2, 7, 1, 2, 3, 2, 1, 1, 7, 1, 2, 2, 7, 4, 1, 2, 1, 1, 2, 23, 2, 2, 1, 15, 1, 1, 4, 3, 4, 1, 2, 4, 2, 2, 1, 28, 7, 3, 2, 10, 2, 6, 1, 1, 2, 1, 6, 1, 1, 3, 3, 9, 26, ...
[ "easy", "nonn" ]
A234711
[ 6664130, 11903466, 21220178, 48741018, 110368418, 311077338, 850224914, 2760580074, 8598808130, 30865204506 ]
[ "nonn" ]
A368077
[ 47, 59, 89, 94, 117, 118, 119, 123, 147, 173, 189, 198, 214, 219, 221, 222, 223, 233, 237, 238, 239, 243, 244, 247, 248, 297, 298, 309, 313, 317, 318, 319, 323, 339, 344, 345, 346, 347, 348, 363, 366, 367, 368, 369, 373, 397, ...
[ "nonn", "base" ]
A131073
[ 2, 3, 5, 8, 11, 15, 19, 24, 29, 35, 41, 48, 55, 62, 69, 76, 83, 91, 99, 107, 116, 125, 134, 143, 152, 161, 170, 179, 189, 199, 210, 221, 232, 243, 254, 265, 276, 287, 298, 309, 320, 331, 343, 355, 367, 380, 393, 406, 419...
[ "nonn" ]
A054371
[ 1, 1, 1, 4, 33, 300, 3412, 40770, 518043, 6830545, 92909684, 1295151600, 18426823044, 266696759064, 3916798516462, 58253090490630, 875948658280305, 13299481192954960, 203661940884670140, 3142707632566279000, 48829032430870170000, 763383551090733500000 ]
[ "nonn" ]
A188409
[ 1, 1, 9, 215, 13825, 1865715, 472211360, 205617134345, 144413237202513, 155491132440122000, 246331815235550280000, 5.5505161179672986e+23, 1.7289792631880825e+27, 7.267279122553799e+30, 4.03661452027161e+34, 2.9096270232086113e+38 ]
[ "nonn" ]
A337681
[ 0, 0, 0, 0, 3, 1, 8, 3, 9, 9, 18, 6, 26, 22, 24, 22, 39, 23, 47, 31, 48, 54, 63, 30, 71, 71, 71, 64, 90, 60, 104, 82, 103, 109, 111, 74, 134, 130, 132, 103, 153, 121, 167, 149, 151, 177, 186, 122, 197, 181, 202, 19...
[ "nonn", "easy" ]