id
stringlengths
7
11
seq
listlengths
1
347
keywords
listlengths
1
8
A118533
[ 1, 17, 87, 94, 65, 72, 43, 50, 21, 28, 98, 105, 517, 731, 153, 367, 779, 993, 415, 530, 51, 31, 29, 108, 817, 734, 453, 370, 89, 114, 427, 740, 63, 52, 41, 30, 19, 107, 717, 733, 353, 369, 979, 995, 615, 532, 251, 168, 877, 794, 513, 331, 149, 957 ]
[ "nonn", "base" ]
A350262
[ 1, -1, -1, -2, -1, 0, -5, -1, 1, 1, 21, 25, 19, 9, 1, 1103, 674, 343, 128, 23, -2, 29835, 15211, 6551, 2133, 379, -25, -9, 739751, 331827, 123821, 33479, 3603, -1549, -583, -9, 16084810, 5987745, 1619108, 120865, -174114, -112975, -32600, -3087, 50 ]
[ "sign", "tabl" ]
A342165
[ 1, 2, 3, 2, 4, 3, 5, 2, 4, 3, 6, 5, 7, 2, 4, 3, 8, 6, 9, 5, 7, 2, 10, 4, 3, 8, 6, 9, 11, 5, 12, 7, 2, 10, 4, 3, 13, 8, 6, 9, 14, 11, 15, 5, 12, 7, 16, 2, 10, 4, 3, 13, 17, 8, 6, 9, 14, 11, 18, 15, 19, 5, 12, 7, 16, 2, 20, 10, 4, 3, 21, 13, 22, 17, 8, 6, 9, 14 ]
[ "base", "nonn" ]
A032015
[ 1, 2, 5, 13, 89, 161, 955, 11733, 26073, 114361, 832211, 18733529, 48204315, 251955705, 1242266173, 12964910527, 474513232793, 1437253041113, 8531269067203, 46209660061161, 318602307573459, 4085500762263613, 242973042117423400, 836926233394869800 ]
[ "nonn" ]
A208620
[ 1, 1, 1716, 1705249, 14029729645, 279481714446151, 9493821912766657000, 4.750929427739852e+23, 3.2103240681864906e+28, 2.760173043757662e+33, 2.892329020271545e+38, 3.576458604863159e+43 ]
[ "nonn", "walk" ]
A251080
[ 27, 284, 1165, 4718, 14891, 47932, 139553, 402854, 1109887, 3007772, 7941557, 20638750, 52718963, 132874124, 330624073, 813659558 ]
[ "nonn" ]
A275199
[ 1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 35, 36, 48, 54, 64, 65, 70, 72, 77, 81, 95, 96, 105, 108, 119, 128, 130, 140, 143, 144, 154, 155, 161, 162, 175, 185, 190, 192, 195, 203, 209, 210, 215, 216, 221, 231, 238, 243, 245, 256, 260, 280, 285, 286, 287 ]
[ "nonn", "easy" ]
A048029
[ 0, 0, 0, 0, 0, 0, 0, 0, 7, 8, 9, 27, 30, 33, 121, 138, 156, 520, 595, 675, 2255, 2600, 2975, 9877, 11445, 13167, 43510, 50625, 58513, 192801, 225093, 261165, 858199, 1004754, 1169505, 3834655, 4500210, 5252445, 17189667, 20214327 ]
[ "nonn" ]
A033549
[ 32, 56, 88, 175, 176, 182, 212, 218, 227, 248, 293, 295, 323, 331, 338, 362, 377, 386, 394, 397, 398, 409, 439, 446, 457, 481, 499, 508, 563, 571, 595, 599, 635, 637, 655, 671, 728, 751, 752, 755, 761, 767, 779, 820, 821, 826, 827, 847, 848, 857, 869, 878 ]
[ "nonn", "base", "nice" ]
A340250
[ 0, 1, 3, 2, 6, 4, 5, 7, 15, 11, 9, 13, 12, 8, 10, 14, 30, 22, 18, 26, 24, 16, 20, 28, 29, 21, 17, 25, 27, 19, 23, 31, 63, 47, 39, 55, 51, 35, 43, 59, 57, 41, 33, 49, 53, 37, 45, 61, 60, 44, 36, 52, 48, 32, 40, 56, 58, 42, 34, 50, 54, 38, 46, 62, 126, 94, 78 ]
[ "nonn", "base" ]
A373173
[ 1, 1, 1, 2, 1, 1, 5, 1, 3, 1, 15, 1, 7, 6, 1, 52, 1, 15, 25, 10, 1, 203, 1, 31, 90, 65, 15, 1, 877, 1, 63, 301, 350, 140, 21, 1, 4140, 1, 127, 966, 1701, 1050, 266, 28, 1, 21147, 1, 255, 3025, 7770, 6951, 2646, 462, 36, 1, 115975, 1, 511, 9330, 34105, 42525, 22827, 5880, 750, 45, 1 ]
[ "nonn", "tabl" ]
A317777
[ 1, 23162843828305, 5722224662500629, 2.5185954575304706e+22, 4.078050723678018e+26, 1.7054126074075785e+33, 1.7054126074267643e+33, 1.7054126074267643e+33, 1.7054126074267643e+33, 1.7054126074314117e+33 ]
[ "nonn", "base", "hard" ]
A082387
[ 3, 17, 19, 47, 101, 1709, 2539, 5591, 6037, 8011, 19373, 26489, 27427 ]
[ "more", "nonn" ]
A140473
[ 0, 1, 1, 2, 2, 3, 3, 3, 4, 5, 5, 5, 6, 6, 7, 8, 8, 8, 9, 9, 9, 10, 10, 11, 12, 12, 12, 14, 14, 14, 14, 14, 15, 15, 15, 16, 18, 18, 18, 18, 18, 20, 21, 21, 21, 22, 22, 22, 23, 23, 23, 23, 23, 24, 27, 27, 27, 27, 27, 27, 27, 27, 29, 31, 31, 31, 31, 31, 32, 33, 33, 33, 35, 35, 35, 35 ]
[ "nonn", "easy" ]
A296125
[ 1, 33, 107, 287, 2098, 9344, 35733, 182881, 859151, 3752449, 17718898, 83133830, 379861714, 1768819146, 8263436507, 38298070989, 178230046892, 831322027550, 3869744621937, 18028069104813, 84070919008122, 391898815331194 ]
[ "nonn" ]
A131946
[ 1, -4, 4, -4, 20, -24, 4, -32, 52, -4, 24, -48, 20, -56, 32, -24, 116, -72, 4, -80, 120, -32, 48, -96, 52, -124, 56, -4, 160, -120, 24, -128, 244, -48, 72, -192, 20, -152, 80, -56, 312, -168, 32, -176, 240, -24, 96, -192, 116, -228, 124, -72, 280, -216, 4 ]
[ "sign" ]
A300961
[ 1, 5, 16, 44, 159, 580, 2145, 8034, 30017, 113054, 426489, 1609240, 6078735, 22967236, 86790502, 328025891, 1239827639, 4686314366, 17713839936, 66957270615, 253096517486, 956701365708, 3616324822124, 13669703752446 ]
[ "nonn" ]
A293326
[ 2, 3, 7, 14, 28, 55, 111, 222, 443, 887, 1774, 3547, 7094, 14189, 28378, 56756, 113512, 227023, 454047, 908093, 1816187, 3632374, 7264748, 14529495, 29058991, 58117981, 116235962, 232471924, 464943848, 929887697, 1859775393, 3719550787, 7439101574 ]
[ "nonn", "easy" ]
A271897
[ 1, 2, 6, 18, 50, 134, 358, 962, 2594, 6998, 18870, 50866, 137106, 369574, 996230, 2685474, 7239042, 19513718, 52601558, 141793810, 382222322, 1030326470, 2777369510, 7486734978, 20181398242, 54401396118, 146645533174, 395300745074, 1065580898898, 2872402002918, 7742906497478, 20871939570914 ]
[ "nonn", "easy" ]
A295674
[ 1, 2, 4, 8, 11, 17, 29, 48, 76, 122, 199, 323, 521, 842, 1364, 2208, 3571, 5777, 9349, 15128, 24476, 39602, 64079, 103683, 167761, 271442, 439204, 710648, 1149851, 1860497, 3010349, 4870848, 7881196, 12752042, 20633239, 33385283, 54018521, 87403802 ]
[ "nonn", "easy" ]
A035698
[ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 1, 2, 0, 1, 0, 1, 2, 1, 3, 3, 1, 2, 1, 3, 5, 3, 6, 5, 3, 5, 3, 8, 9, 7, 11, 8, 8, 10, 9, 15, 16, 15, 19, 15, 16, 20, 19, 28, 28, 27, 33, 27, 32, 36, 36, 48, 48, 49, 55, 48, 57, 64, 65, 82, 79, 83, 92, 83, 100, 106, 112, 134, 129 ]
[ "nonn" ]
A349463
[ 1, 0, 2, 0, 2, 1, 3, 2, 2, 4, 2, 2, 3, 2, 3, 4, 4, 3, 4, 5, 5, 6, 5, 8, 7, 6, 7, 8, 8, 9, 8, 8, 10, 9, 10, 11, 12, 12, 13, 14, 15, 15, 16, 16, 16, 17, 17, 18, 18, 19, 21, 21, 21, 22, 22, 22, 23, 23, 24, 24, 24, 26, 26, 27, 27, 27, 28, 28, 29, 29, 29, 31, 31, 32, 33, 33, 34, 34, 35, 35 ]
[ "nonn" ]
A197357
[ 1, 10, 55, 670, 4840, 55252, 436975, 4816030, 40051495, 432457640, 3715101654, 39581170420, 347847754670, 3671331273480, 32811494188975, 343900019857310, 3113537578058979, 32458256583753950, 296896918816556350, 3081918923741896700 ]
[ "nonn", "base" ]
A366449
[ 2, 5, 18, 102, 970, 15947, 453872, 22174642, 1846384884, 260939482721, 62454382216334, 25285347265901816, 17304115945924823000, 2.000841237039307e+22, 3.907817828886737e+25, 1.2889346966352597e+29, 7.178673364606616e+32, 6.75043927490433e+36 ]
[ "nonn", "easy" ]
A300454
[ 0, 1, 2, 1, 0, 3, 4, 1, 0, 5, 8, 3, 0, 7, 14, 9, 2, 0, 9, 22, 21, 10, 2, 0, 11, 32, 41, 30, 12, 2, 0, 13, 44, 71, 70, 42, 14, 2, 0, 15, 58, 113, 140, 112, 56, 16, 2, 0, 17, 74, 169, 252, 252, 168, 72, 18, 2, 0, 19, 92, 241, 420, 504, 420, 240, 90, 20, 2, 0 ]
[ "nonn", "tabf" ]
A114773
[ 8, 8000, 8998912, 8998912000, 8998912000000, 8999950375936512, 8999989316587932000, 8.999999700780614e+21, 8.999999960385534e+24, 8.999999999326272e+27, 8.999999999326272e+30, 8.999999999975284e+33, 8.999999999988265e+36 ]
[ "base", "nonn" ]
A020887
[ 2, 4, 6, 6, 8, 10, 10, 12, 12, 14, 14, 16, 18, 18, 20, 20, 22, 22, 24, 24, 26, 26, 28, 28, 30, 30, 30, 30, 32, 34, 34, 36, 36, 38, 38, 40, 40, 42, 42, 42, 42, 44, 44, 46, 46, 48, 48, 50, 50, 52, 52, 54, 54, 56, 56, 58, 58, 60, 60, 60, 60, 62, 62, 64, 66, 66, 66, 66, 68, 68, 70 ]
[ "nonn" ]
A203713
[ 680400, 1162808408, 2904393889106, 5669049948955178, 8737138311717893000, 1.1090877737628357e+22, 1.1988542045840411e+25, 1.1300596116807755e+28, 9.453923215027904e+30 ]
[ "nonn" ]
A339464
[ 1, 2, 2, 2, 4, 8, 6, 2, 4, 6, 12, 8, 6, 2, 4, 2, 12, 6, 10, 24, 6, 2, 8, 32, 20, 6, 2, 36, 16, 18, 10, 8, 6, 4, 30, 12, 54, 2, 4, 2, 36, 10, 64, 28, 18, 30, 6, 2, 12, 8, 14, 48, 50, 128, 2, 4, 54, 12, 40, 6, 4, 18, 10, 24, 4, 30, 48, 2, 12, 32, 2, 6, 12, 54, 2 ]
[ "nonn" ]
A091716
[ 2, 29, 298, 2962, 29412, 292821, 2921863, 29170821, 291324189, 2910238255, 29078387910, 290589147156, 2904276036695 ]
[ "nonn", "more" ]
A045766
[ 0, 1, 1, 3, 2, 5, 3, 8, 5, 10, 6, 13, 7, 15, 9, 19, 10, 22, 11, 25, 13, 27, 14, 31, 16, 33, 19, 36, 20, 39, 21, 44, 23, 46, 25, 50, 26, 52, 28, 56, 29, 59, 30, 62, 33, 64, 34, 69, 36, 72, 38, 75, 39, 79, 41, 83, 43, 85, 44, 89, 45, 91, 48, 97, 50, 100, 51, 103, 53, 106, 54, 111 ]
[ "nonn", "easy" ]
A157351
[ 0, 0, 3, 4, 15, 6, 49, 40, 72, 70, 220, 60, 299, 350, 390, 416, 578, 468, 931, 1000, 1281, 1320, 2001, 1008, 2225, 2028, 2808, 2464, 2755, 1410, 5146, 3648, 4950, 3978, 6125, 4536, 7030, 9500, 9789, 9640, 11480, 6552, 12599, 12188, 12555, 12236, 19364 ]
[ "nonn" ]
A308143
[ 0, 0, 1, 0, 2, 2, 5, 3, 3, 0, 8, 5, 16, 11, 29, 18, 18, 12, 13, 7, 23, 23, 51, 35, 28, 20, 62, 44, 82, 79, 132, 98, 100, 75, 144, 108, 121, 80, 185, 131, 148, 87, 203, 145, 265, 200, 345, 264, 300, 214, 272, 187, 305, 274, 301, 216, 246, 210, 340, 258, 406 ]
[ "nonn" ]
A068702
[ 2, 5, 8, 9, 17, 27, 32, 39, 41, 56, 60, 65, 66, 68, 72, 78, 89, 98, 108, 117, 120, 128, 132, 159, 168, 173, 176, 191, 192, 194, 197, 209, 212, 213, 246, 248, 254, 264, 272, 282, 288, 293, 296, 302, 311, 315, 324, 327, 332, 341, 350, 353, 360, 371, 392, 425, 444 ]
[ "base", "nonn" ]
A252897
[ 1, 0, 0, 0, 1, 0, 0, 1, 1, 1, 0, 0, 1, 6, 18, 12, 36, 156, 295, 429, 755, 2603, 7122, 19232, 32818, 54363, 172374, 384053, 933748, 1639656, 4366714, 20557751, 83801506, 188552665, 399677820, 640628927, 2175071240, 8876685569, 32786873829, 108039828494, 351090349416 ]
[ "nonn" ]
A093932
[ 3, 7, 19, 31, 47, 17, 41, 13, 61, 97, 37, 103, 151, 73, 157, 67, 131, 29, 101, 367, 167, 83, 919, 137, 233, 383, 227, 389, 109, 283, 163, 349, 541, 79, 419, 769, 409, 557, 709, 1567, 1327, 1163, 71, 673, 937, 307, 491, 773, 293, 587, 787, 277, 797, 479, 263, 43, 379, 607, 839, 1193, 353, 719, 347, 599, 983, 593, 197, 13999, 2711, 89, 509, 8887, 3559, 3121, 1493, 443, 139, 601, 1069, 1543, 743, 257, 2389, 563, 59, 569, 53, 401, 929, 2887, 547, 911, 359, 1289, 3733, 503, 887, 499, 107, 701, 1301, 1907, 1499, 881, 1297, 877, 241, 883, 1531, 5 ]
[ "nonn", "fini", "full", "less" ]
A262879
[ 1, 1, 0, 0, 2, 2, 0, 3, 4, 1, 4, 10, 6, 5, 16, 14, 9, 28, 32, 17, 40, 63, 41, 63, 112, 83, 94, 187, 171, 156, 301, 319, 260, 467, 580, 465, 713, 981, 818, 1095, 1627, 1452, 1682, 2584, 2510, 2632, 4047, 4266, 4162, 6181, 7054, 6685, 9396, 11423, 10753, 14132 ]
[ "nonn" ]
A113141
[ 1, -3, 1, 2, -5, 1, -2, 10, -7, 1, 2, -14, 22, -9, 1, -2, 18, -46, 38, -11, 1, 2, -22, 78, -106, 58, -13, 1, -2, 26, -118, 230, -202, 82, -15, 1, 2, -30, 166, -426, 538, -342, 110, -17, 1, -2, 34, -222, 710, -1194, 1082, -534, 142, -19, 1, 2, -38, 286, -1098, 2330, -2814, 1958, -786, 178, -21, 1 ]
[ "sign", "tabl" ]
A034064
[ 2, 3, 6, 11, 21, 39, 69, 119, 199, 323, 795, 829, 3, 903, 942, 982, 4, 1067, 1113, 5, 1208, 1258, 6, 1364, 7, 8, 1539, 9, 1665, 10, 11, 12, 13, 2024, 14, 15, 16, 18, 19, 20, 21, 23, 24, 26, 27, 29, 31, 33, 35, 37, 39, 41, 44, 46, 49, 52, 55, 58, 62, 65, 69, 73 ]
[ "nonn", "base" ]
A224733
[ 1, 2, 36, 8000, 24010000, 1016255020032, 622345892187672600, 5.60829634949848e+24, 7.52711194884612e+32, 1.518219588672387e+42, 4.6343145866349733e+52 ]
[ "nonn", "nice" ]
A342658
[ 0, 2, 3, 5, 5, 7, 7, 10, 8, 12, 9, 15, 13, 14, 15, 13, 14, 17, 17, 17, 18, 18, 19, 20, 19, 20, 20, 21, 16, 21, 22, 18, 24, 26, 22, 19, 24, 29, 19, 22, 31, 29, 21, 32, 31, 26, 28, 28, 33, 35, 34, 34, 37, 37, 35, 34, 35, 35, 36, 33, 38, 38, 37, 39, 42, 42, 39, 46, 40, 42, 48, 39, 38, 46, 40, 40, 47, 41, 44, 46, 43, 39 ]
[ "nonn", "look" ]
A050725
[ 0, 1, 2, 3, 4, 5, 6, 7, 10, 11, 14, 15, 16, 17, 18, 24, 27, 28, 33, 34, 40, 52, 63 ]
[ "nonn", "base", "more" ]
A215439
[ 1, 2, 4, 10, 70, 134, 146, 190, 218, 292, 478, 7136, 15964, 19988, 100790, 111442, 181874, 202112 ]
[ "nonn" ]
A074567
[ 3, 19, 133, 1009, 8113, 67849, 582193, 5079289, 44791873, 397760329, 3548299153, 31748050969, 284623096033, 2554993631209, 22955425054513, 206362390821049, 1855845593726593, 16694125538980488, 150196263973144300 ]
[ "easy", "nonn" ]
A281103
[ 1, 1, 101, 1, 101, 10001, 1010101, 1000001, 101000101, 1010001, 100010101, 10101000001, 1010101000101, 1010001010001, 101010100010101, 101010101000001, 10101000001000100, 10101000101010000, 1010001010000010100, 1010101010001000100, 101010000010101000000 ]
[ "nonn", "easy" ]
A173158
[ 1, 8, 2, 5, 4, 5, 5, 0, 2, 2, 9, 2, 4, 8, 3, 0, 0, 4, 0, 0, 4, 1, 4, 6, 9, 2, 9, 7, 7, 4, 0, 5, 8, 6, 2, 2, 2, 6, 3, 3, 8, 3, 3, 6, 4, 5, 9, 2, 0, 7, 1, 4, 0, 6, 2, 1, 4, 5, 3, 7, 4, 8, 0, 3, 5, 2, 5, 5, 2, 8, 3, 4, 9, 7, 8, 5, 3, 7, 6, 4, 2, 6, 3, 4, 1, 8, 2, 1, 5, 6, 1, 8, 6, 7, 0, 4, 6, 5, 6, 0, 2, 7, 1, 0, 9 ]
[ "nonn", "cons", "easy" ]
A167330
[ 1, 6, 10, 36, 18, 60, 26, 216, 100, 108, 42, 360, 50, 156, 180, 1296, 66, 600, 74, 648, 260, 252, 90, 2160, 324, 300, 1000, 936, 114, 1080, 122, 7776, 420, 396, 468, 3600, 146, 444, 500, 3888, 162, 1560, 170, 1512, 1800, 540, 186, 12960, 676, 1944 ]
[ "nonn", "easy", "mult" ]
A129404
[ 8, 8, 4, 0, 2, 3, 8, 1, 1, 7, 5, 0, 0, 7, 9, 8, 5, 6, 7, 4, 3, 0, 5, 7, 9, 1, 6, 8, 7, 1, 0, 1, 1, 8, 0, 7, 7, 4, 7, 9, 4, 6, 1, 8, 6, 1, 1, 7, 6, 5, 8, 9, 3, 4, 7, 8, 2, 5, 8, 7, 4, 1, 4, 7, 4, 9, 1, 1, 5, 6, 6, 7, 0, 3, 3, 3, 2, 3, 1, 8, 7, 0, 1, 6, 3, 5, 9, 6, 3, 6, 4, 6, 8, 9, 5, 5, 3, 6, 0, 6 ]
[ "nonn", "cons", "easy" ]
A023542
[ 2, 9, 23, 47, 84, 136, 206, 296, 409, 548, 715, 913, 1145, 1413, 1720, 2068, 2460, 2899, 3387, 3927, 4521, 5172, 5883, 6656, 7494, 8400, 9376, 10425, 11549, 12751, 14034, 15400, 16852, 18393, 20025, 21751, 23573, 25494, 27517, 29644 ]
[ "nonn" ]
A051200
[ 3, 31, 331, 3331, 33331, 333331, 3333331, 33333331, 333333333333333300, 3.333333333333333e+39, 3.333333333333333e+49 ]
[ "nonn", "nice" ]
A334622
[ 1, 1, 1, 1, 1, 2, 1, 1, 2, 4, 1, 1, 2, 6, 8, 1, 1, 2, 10, 24, 16, 1, 1, 2, 18, 88, 120, 32, 1, 1, 2, 34, 360, 1216, 720, 64, 1, 1, 2, 66, 1576, 14460, 24176, 5040, 128, 1, 1, 2, 130, 7224, 190216, 994680, 654424, 40320, 256, 1, 1, 2, 258, 34168, 2675100, 46479536, 109021500, 23136128, 362880, 512 ]
[ "nonn", "tabl" ]
A049257
[ 2, 0, 6, 2, 13, 12, 2, 0, 9, 2, 7, 6, 2, 4, 3, 2, 1, 0, 18, 18, 18, 18, 1, 18, 2, 18, 18, 2, 18, 18, 2, 0, 18, 2, 7, 18, 2, 10, 6, 2, 18, 18, 18, 18, 18, 2, 1, 18, 2, 0, 18, 2, 18, 18, 2, 16, 15, 2, 13, 12, 2, 4, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0, 18, 18, 18, 18, 18, 18, 2, 18, 18, 2, 13, 18 ]
[ "nonn" ]
A087507
[ 1, 1, 1, 4, 2, 2, 7, 3, 3, 10, 4, 4, 13, 5, 5, 16, 6, 6, 19, 7, 7, 22, 8, 8, 25, 9, 9, 28, 10, 10, 31, 11, 11, 34, 12, 12, 37, 13, 13, 40, 14, 14, 43, 15, 15, 46, 16, 16, 49, 17, 17, 52, 18, 18, 55, 19, 19, 58, 20, 20, 61, 21, 21, 64, 22, 22, 67, 23, 23, 70, 24, 24, 73, 25, 25, 76 ]
[ "easy", "nonn" ]
A047324
[ 0, 2, 5, 6, 7, 9, 12, 13, 14, 16, 19, 20, 21, 23, 26, 27, 28, 30, 33, 34, 35, 37, 40, 41, 42, 44, 47, 48, 49, 51, 54, 55, 56, 58, 61, 62, 63, 65, 68, 69, 70, 72, 75, 76, 77, 79, 82, 83, 84, 86, 89, 90, 91, 93, 96, 97, 98, 100, 103, 104, 105, 107, 110, 111 ]
[ "nonn", "easy" ]
A050305
[ 1, -2, 1, 1, -2, 1, 3, -1, -2, 1, -2, 4, -1, -2, 1, -2, 2, 2, -1, -2, 1, -3, -1, 3, 2, -1, -2, 1, -1, -4, 3, 1, 2, -1, -2, 1, 5, -5, -5, 4, 1, 2, -1, -2, 1, 4, -4, -2, -1, 2, 1, 2, -1, -2, 1, 5, 1, -5, -3, 0, 2, 1, 2, -1, -2, 1, 1, 7, -5, -4, 1, -2, 2, 1, 2, -1, -2, 1, 1, 6, 2, -5, -5, 2 ]
[ "sign", "tabl" ]
A196659
[ 1, 1, 5, 53, 917, 22617, 735033, 29953065, 1479692909, 86472860573, 5868283305245, 455754185294737, 40032598733260940, 3938398783862213600, 430402127790139050000, 5.188241492437535e+22, 6.856582955062677e+24, 9.881368084893801e+26 ]
[ "nonn" ]
A057009
[ 1, 7, 41, 235, 1361, 7987, 47321, 281995, 1685921, 10096867, 60524201, 362972155, 2177309681, 13062280147, 78368930681, 470199300715, 2821152888641, 16926788453827, 101560343826761, 609360901747675, 3656161925798801, 21936961098633908, 131621735219132450 ]
[ "nonn" ]
A086112
[ 1, 2, 3, 1, 5, 2, 7, 1, 9, 2, 11, 1, 13, 2, 15, 1, 17, 2, 19, 1, 21, 2, 23, 1, 25, 2, 27, 1, 29, 2, 31, 1, 33, 2, 35, 1, 37, 2, 39, 1, 41, 2, 43, 1, 45, 2, 47, 1, 49, 2, 51, 1, 53, 2, 55, 1, 57, 2, 59, 1, 61, 2, 63, 1, 65, 2, 67, 1, 69, 2, 71, 1, 73, 2, 75, 1, 77, 2, 79, 1, 81, 2, 83 ]
[ "nonn", "easy", "frac" ]
A342021
[ 5, 8, 41, 47057 ]
[ "nonn", "more", "hard" ]
A066587
[ 3, 5, 11, 13, 19, 21, 27, 29, 35, 37, 43, 45, 51, 53, 59, 61, 67, 69, 75, 77, 83, 85, 91, 93 ]
[ "dead" ]
A257072
[ 1, 4, 17, 77, 374, 1959, 11085, 67500, 438485, 3004985, 21485222, 158744467, 1202966761, 9297312916, 72981656937, 580105886517, 4658713796790, 37736326098735, 307913254091925, 2528335636842300, 20875157745756428 ]
[ "nonn" ]
A275603
[ 1, 2, 5, 8, 11, 14, 23, 12, 19, 6, 7, 4, 3, 10, 9, 16, 13, 20, 31, 24, 25, 18, 17, 26, 29, 32, 15, 22, 35, 38, 41, 30, 37, 28, 27, 34, 21, 50, 39, 46, 43, 40, 49, 48, 55, 36, 53, 76, 33, 52, 51, 64, 57, 56, 47, 68, 45, 58, 65, 44, 67, 60, 59, 62, 73, 42, 61, 54, 71, 80, 63, 74, 77, 94, 75, 82, 79, 72, 83, 66 ]
[ "nonn", "base" ]
A077471
[ 1, 2, 5, 6, 10, 11, 14, 18, 19, 23, 27, 29, 30, 35, 36, 39, 55, 56, 60, 62, 64, 73, 75, 78, 79, 83, 84, 87, 95, 99, 104, 111, 113, 121, 122, 126, 133, 134, 141, 143, 147, 151, 152, 161, 162, 165, 169, 171, 173, 175, 176, 179, 182, 183, 186, 189, 197, 202, 205, 207 ]
[ "easy", "nonn" ]
A032927
[ 1, 2, 7, 8, 13, 14, 43, 44, 49, 50, 79, 80, 85, 86, 259, 260, 265, 266, 295, 296, 301, 302, 475, 476, 481, 482, 511, 512, 517, 518, 1555, 1556, 1561, 1562, 1591, 1592, 1597, 1598, 1771, 1772, 1777, 1778, 1807, 1808, 1813, 1814 ]
[ "nonn", "base" ]
A309690
[ 0, 0, 0, 0, 0, 2, 4, 4, 4, 8, 12, 16, 20, 26, 32, 38, 44, 58, 72, 80, 88, 106, 124, 142, 160, 182, 204, 226, 248, 284, 320, 346, 372, 414, 456, 498, 540, 588, 636, 684, 732, 800, 868, 922, 976, 1052, 1128, 1204, 1280, 1364, 1448, 1532, 1616, 1726, 1836, 1928 ]
[ "nonn", "easy" ]
A298834
[ 0, 1, 1, 0, 4, 0, 1, 4, 4, 1, 0, 16, 1, 16, 0, 1, 48, 6, 6, 48, 1, 0, 88, 10, 68, 10, 88, 0, 1, 240, 15, 141, 141, 15, 240, 1, 0, 704, 60, 489, 1590, 489, 60, 704, 0, 1, 1600, 128, 2774, 3282, 3282, 2774, 128, 1600, 1, 0, 4032, 267, 9849, 27915, 16551, 27915, 9849, 267, 4032, 0 ]
[ "nonn", "tabl" ]
A278358
[ 4, 27, 142, 701, 3183, 12875, 46236, 149099, 438091, 1188762, 3012869, 7198373, 16335098, 35425161, 73791748, 148267982, 288389734, 544658465, 1001416052, 1796525377, 3150931185, 5412350915, 9118895376, 15090442305, 24558200485, 39346250424, 62123099187, 96746642857 ]
[ "nonn" ]
A372111
[ 1, 3, 6, 10, 15, 24, 30, 38, 54, 66, 77, 84, 98, 126, 144, 168, 189, 216, 248, 279, 360, 370, 390, 403, 572, 594, 627, 646, 663, 702, 728, 777, 814, 858, 894, 942, 996, 1060, 1085, 1120, 1160, 1189, 1230, 1245, 1290, 1320, 1370, 1450, 1508, 1560, 1620, 1692, 1739 ]
[ "nonn" ]
A122583
[ 1, 1, 1, 1, 1, -3, -7, -3, 5, 25, 45, -3, -107, -191, -175, 253, 1045, 1189, -171, -3547, -7527, -4603, 11497, 33945, 40869, -10487, -141071, -248407, -120131, 421141, 1227961, 1332777, -726439, -5051271, -8369959, -3306635, 16738977, 43110597, 41391949, -33360335, -183387403, -283721435 ]
[ "sign" ]
A159983
[ 3, 15, 15, 105, 21, 525, 45, 35, 1575, 2205, 3465, 3465, 24255, 3465, 72765, 45045, 45045, 1576575, 85995, 945945, 297297, 9009, 45045, 675675, 45045, 1486485, 495495, 19324305, 765765, 765765, 80405325, 58963905, 11792781, 1738165, 65702637, 78217425 ]
[ "frac", "nonn", "tabl", "easy" ]
A231758
[ 33, 136, 660, 3213, 14989, 70927, 338352, 1603633, 7596720, 36066272, 171140301, 811651995, 3850637109, 18269376384, 86668158745, 411153474416, 1950577525332, 9253691650061, 43899995716425, 208265361505983, 988028267125504 ]
[ "nonn" ]
A098827
[ 2, 30, 42, 110, 182, 506, 1406, 2162, 3422, 3782, 4290, 4830, 5402, 6006, 6806, 11130, 11342, 12210, 13110, 16770, 23870, 24806, 27390, 27722, 31862, 33306, 34410, 34782, 37442, 37830, 44310, 49062, 51302, 56406, 60762, 64770, 66822, 68906 ]
[ "nonn" ]
A047029
[ 1, 1, 3, 19, 99, 624, 3684, 23379, 144877, 927084, 5882776, 37925111, 243908212, 1582102118, 10261788552, 66893579077, 436419943039, 2856304168480, 18714325924703, 122881818022921, 807744978199879, 5318012331907328 ]
[ "nonn" ]
A043918
[ 10, 22, 59, 76, 108, 120, 160, 169, 206, 218, 255, 267, 304, 316, 353, 365, 402, 419, 451, 463, 538, 549, 561, 598, 610, 647, 659, 696, 708, 745, 762, 794, 806, 846, 855, 892, 904, 941, 953, 990, 1002, 1039, 1051, 1126, 1137 ]
[ "nonn", "base" ]
A141727
[ 1, 1, 0, 1, 1, 0, 0, 1, 0, 1, 0, 1, 0, 1, 0, 0, 1, 0, 0, 1, 1, 0, 1, 1, 1, 1, 0, 1, 0, 0, 0, 0, 0, 1, 1, 0, 1, 0, 0, 1, 0, 0, 0, 0, 1, 1, 1, 0, 0, 1, 0, 1, 0, 1, 0, 0, 0, 1, 1, 0, 0, 1, 1, 1, 1, 0, 0, 1, 1, 0, 1, 1, 0, 0, 0, 1, 0, 0, 1, 1, 0, 1, 0, 1, 0, 0, 0, 0, 0, 0, 1, 1, 0, 1, 0, 1, 1, 1, 0, 0, 1, 0, 0, 1, 0 ]
[ "easy", "nonn", "tabf" ]
A352497
[ 1, 1, 1, 4, 11236, 7536323344, 1.3061771244556732e+26, 2.2674029183987274e+52 ]
[ "nonn" ]
A194671
[ 0, 0, 2, 4, 1, 2, 5, 8, 2, 4, 7, 11, 1, 4, 8, 13, 0, 4, 8, 14, 20, 4, 9, 16, 23, 4, 10, 17, 25, 2, 9, 17, 26, 0, 8, 16, 26, 36, 7, 16, 27, 38, 6, 16, 28, 40, 4, 15, 27, 40, 1, 13, 26, 40, 54, 12, 25, 40, 55, 10, 24, 40, 56, 7, 22, 38, 55, 3, 19, 36, 54, 72, 17, 34, 53, 72 ]
[ "nonn" ]
A091790
[ 1221, 221122, 2112222112, 1222211221122221, 2.211221122221122e+25, 2.112222112222112e+41, 1.222211221122221e+67 ]
[ "base", "nonn" ]
A304103
[ 1, 2, 2, 3, 2, 4, 2, 5, 3, 4, 2, 6, 2, 5, 4, 7, 2, 8, 2, 6, 5, 5, 2, 9, 3, 4, 10, 11, 2, 12, 2, 6, 5, 13, 5, 14, 2, 13, 4, 9, 2, 15, 2, 11, 8, 10, 2, 16, 17, 18, 13, 6, 2, 19, 5, 20, 13, 5, 2, 21, 2, 13, 6, 22, 4, 23, 2, 24, 10, 25, 2, 26, 2, 10, 18, 27, 28, 12, 2, 29, 30, 13, 2, 31, 13, 32, 5, 33, 2, 34, 5, 35, 13, 5, 13, 21, 2, 36, 37, 38, 2, 39, 2, 9, 15 ]
[ "nonn" ]
A060824
[ 2, 2, 2, 2, 4, 6, 8, 14, 18, 20, 38, 52, 60, 112, 150, 170, 320, 432, 492, 924, 1244, 1414, 2658, 3582, 4074, 7656, 10314, 11728, 22042, 29698, 33772, 63470, 85512, 97240, 182752, 246222, 279994, 526216, 708968, 806208, 1515176, 2041392, 2321386 ]
[ "easy", "nonn" ]
A206466
[ 121, 1411, 11025, 106891, 958441, 8963667, 82609921, 767387611, 7109019225, 65954564131, 611588125681, 5672733227307, 52611971134921, 487976540781811, 4525907460768225, 41977494854894970, 389337236836785700 ]
[ "nonn" ]
A288453
[ 91, 95, 133, 145, 185, 203, 215, 217, 259, 275, 301, 335, 343, 355, 365, 395, 427, 469, 497, 545, 551, 553, 575, 635, 637, 649, 655, 703, 725, 755, 763, 767, 785, 815, 817, 833, 865, 889, 893, 905, 917, 931, 949, 955, 973, 985, 995, 1007, 1027, 1057, 1073 ]
[ "nonn" ]
A220180
[ 1, 1, 4, 42, 924, 36300, 2265960, 206703840, 25945444560, 4287205253520, 901822916010240, 235245784759302240, 74515547291697610000, 2.8171404151229275e+22, 1.2529985068482905e+25, 6.476871523103017e+27, 3.850268179365489e+30 ]
[ "nonn" ]
A365340
[ 1, 1, 8, 132, 3360, 116280, 5100480, 271252800, 16963914240, 1220096908800, 99225500774400, 9003984596006400, 901928094049382400, 98856066097781000000, 1.1768525894839634e+22, 1.5121858036179513e+24, 2.0859890732947445e+26 ]
[ "nonn", "easy", "changed" ]
A363050
[ 495, 728, 729, 975, 1071, 1424, 1616, 1700, 1862, 1875, 2024, 2144, 2223, 2349, 2384, 2415, 2624, 2996, 3104, 3124, 3125, 3159, 3184, 3483, 3663, 4095, 4130, 4292, 4304, 4335, 4779, 4976, 5103, 5312, 5427, 5535, 5589, 5624, 5775, 6224, 6416, 6544, 6560, 6704 ]
[ "nonn" ]
A100416
[ 561653, 606061, 1649345, 2631227, 5657101, 25376713, 33805243, 38747603, 68760599, 77773043, 80404183, 101695597, 124781123, 125348239, 142692929, 152212087, 177464929, 184416409, 192144907, 200781041, 238715647, 241253839 ]
[ "base", "nonn" ]
A086875
[ 1, 21, 1147, 211965, 143331811, 366753209781 ]
[ "hard", "more", "nonn" ]
A155510
[ 1, 2, 3, 4, 6, 9, 12, 16, 21, 24, 25, 36, 40, 45, 46, 56, 60, 80, 81, 96, 106, 120, 126, 145, 190, 225, 256, 270, 351, 400, 505, 576, 610, 666, 720, 721, 826, 855, 946, 1071, 1072, 1170, 1225, 1233, 1330, 1338, 1345, 1386, 1450, 1575, 1576, 1792, 1890, 2080, 2241 ]
[ "nonn" ]
A139123
[ 1, 1, 3, 1, 3, 7, 12, 1, 3, 7, 15, 18, 1, 3, 7, 15, 28, 26, 1, 3, 7, 15, 31, 47, 35, 1, 3, 7, 15, 31, 60, 74, 45, 1, 3, 7, 15, 31, 63, 108, 110, 56 ]
[ "easy", "nonn", "uned" ]
A306305
[ 16, 15, 11, 14, 17, 10, 4, 13, 4, 16, 0, 9, 7, 3, 12, 12, 5, 3, 12, 15, 4, 0, 7, 8, 2, 6, 11, 2, 2, 11, 5, 11, 0, 4, 5, 2, 5, 11, 7, 14, 9, 3, 3, 0, 5, 6, 2, 7, 8, 1, 9, 5, 6, 10, 0, 1, 1, 1, 1, 10, 1, 4, 4, 10, 8, 0, 5, 3, 3, 4, 4, 1, 4, 4, 2, 10, 0, 6, 7, 13 ]
[ "nonn", "base" ]
A352244
[ 57456, 80752, 124852, 229957, 355072, 366471, 630667, 919296, 1193200, 1292032, 1316875, 1371136, 1823472, 1997632, 2036097, 2687607, 3679312, 4251871, 4653936, 5681152, 5821552, 5863536, 6540912, 8905456, 8984196, 10090672, 10113012, 10504375, 10532592, 10789632, 10921456, 14708736 ]
[ "nonn" ]
A384270
[ 1, 1, 4, 21, 130, 888, 6408, 48063, 371020, 2927770, 23510106, 191487656, 1578141446, 13136158810, 110276181794, 932581374945, 7937416827088, 67940240601388, 584459497206176, 5050440687673800, 43818234017497416, 381559984178906050, 3333557306752862700, 29212187993468834000, 256697187873464100000 ]
[ "nonn" ]
A069054
[ 0, 1, 9, 901, 901009, 901009000901, 9.01009000901e+23, 9.01009000901e+47, 9.01009000901e+95 ]
[ "easy", "nonn", "base" ]
A268146
[ 543, 765, 131211, 191817, 313029, 434241, 616059, 737271, 103102101, 109108107, 139138137, 151150149, 181180179, 193192191, 199198197, 229228227, 241240239, 271270269, 283282281, 313312311, 349348347, 421420419, 433432431, 463462461, 523522521, 571570569, 601600599 ]
[ "nonn", "base", "easy" ]
A324065
[ 0, 0, 0, 0, 3, 24, 120, 720, 4200, 24192, 151200, 1056000, 7286400, 54743040, 442041600, 3997593600, 29081052000, 244365721600, 2164235673600, 21996748800000, 197620929792000, 2090405560320000, 22475789107200000, 280198170869760000, 2772753817946112000 ]
[ "nonn" ]
A027110
[ 2, 11, 80, 591, 4492, 34859, 274834, 2194175, 17697088, 143951359, 1179361946, 9721994363, 80573155210, 670916858663, 5609929650932, 47082821529795, 396479220532944, 3348822504340655, 28363386616346536, 240832364304754050, 2049614659600342000 ]
[ "nonn" ]
A080585
[ 0, 0, 0, 1, 2, 3, 3, 3, 3, 3, 3, 3, 4, 5, 6, 7, 8, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37 ]
[ "nonn" ]
A037390
[ 1, 2, 3, 10, 42, 64, 65, 66, 67, 68, 69, 80, 85, 86, 90, 93, 95, 106, 128, 129, 130, 131, 136, 153, 160, 168, 169, 170, 171, 187, 192, 193, 194, 195, 234, 240, 250, 255, 257, 321, 514, 522, 528, 529, 530, 531, 532, 533, 534, 538 ]
[ "nonn", "base" ]
A353438
[ 4, 5, 7, 8, 13, 14, 16, 17, 19, 23, 28, 29, 31, 32, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 56, 57, 58, 59, 61, 62, 64, 67, 68, 69, 70, 71, 76, 77, 78, 79, 80, 81, 82, 83, 85, 86, 87, 89, 92, 93, 94, 95, 97, 98, 102, 103, 105, 106, 107, 108, 109 ]
[ "nonn", "base" ]
A081499
[ 1, 2, 4, 6, 8, 11, 12, 16, 15, 20, 16, 22, 14, 21, 8, 16, -3, 6, -20, -10, -44, -33, -76, -64, -117, -104, -168, -154, -230, -215, -304, -288, -391, -374, -492, -474, -608, -589, -740, -720, -889, -868, -1056, -1034, -1242, -1219, -1448, -1424, -1675, -1650, -1924, -1898, -2196, -2169, -2492, -2464, -2813 ]
[ "sign", "easy" ]