id
stringlengths
7
11
seq
listlengths
1
347
keywords
listlengths
1
8
A291645
[ 1, 0, 0, -1, -1, 0, 4, 9, 4, -23, -78, -78, 132, 694, 1088, -443, -6169, -13452, -4646, 52247, 155891, 143796, -391672, -1715015, -2481013, 2107735, 17836000, 35704800, 3037215, -172386166, -465009936, -338007604, 1487272659, 5624864403, 7125599375, -10208041482 ]
[ "sign" ]
A130946
[ 0, 1, 2, 3, 4, 6, 5, 7, 8, 9, 11, 14, 16, 19, 10, 15, 12, 17, 20, 13, 18, 21, 22, 23, 25, 28, 30, 33, 37, 39, 42, 44, 47, 51, 53, 56, 60, 24, 29, 38, 43, 52, 26, 40, 31, 45, 46, 32, 54, 57, 61, 27, 41, 34, 48, 55, 35, 49, 58, 62, 36, 50, 59, 63, 64, 65, 67, 70, 72, 75, 79, 81 ]
[ "nonn" ]
A276376
[ 0, 0, 1, 2, 1, 1, 2, 1, 4, 1, 3, 1, 1, 2, 2, 4, 1, 3, 1, 2, 2, 4, 2, 4, 2, 1, 1, 3, 1, 7, 1, 4, 1, 4, 1, 3, 5, 1, 3, 2, 2, 5, 1, 1, 2, 5, 6, 2, 1, 1, 3, 1, 7, 3, 3, 2, 3, 2, 2, 1, 4, 8, 1, 1, 2, 8, 3, 4, 1, 3, 2, 4, 3, 4, 1, 3, 4, 1, 6, 4, 1, 4, 3, 2, 2, 2, 4, 3, 1, 1, 6, 7, 1, 4, 1, 3, 6 ]
[ "nonn", "easy" ]
A204347
[ 1708802980, 4524628081600, 11860456910608960, 31112427702110510000, 8.162547690830547e+22, 2.1414346318260676e+26, 5.618051295896147e+29, 1.4738942499334634e+33 ]
[ "nonn" ]
A316090
[ 1, 2, 2, 48, 94, 5694, 12352, 1539850, 3323890, 737028224, 1556371198, 548747031342, 1138137849328, 586694732526026, 1202647898994626, 852409708509446800, 1734703213512100900, 1.6160707752927e+21, 3.273912763003649e+21, 3.875483980992048e+24 ]
[ "nonn" ]
A022418
[ 6, 18, 21, 23, 26, 29, 31, 34, 36, 39, 42, 44, 47, 50, 52, 55, 57, 60, 63, 65, 68, 70, 73, 76, 78, 81, 84, 86, 89, 91, 94, 97, 99, 102, 105, 107, 110, 112, 115, 118, 120, 123, 125, 128, 131, 133, 136, 139, 141, 144, 146, 149, 152, 154, 157, 159, 162, 165, 167, 170 ]
[ "nonn" ]
A364017
[ 1, 3, 6, 9, 15, 21, 29, 33, 45, 54, 66, 72, 92, 108, 120, 125, 153, 171, 191, 192, 237, 252, 276, 279, 326, 354, 378, 387, 435, 459, 497, 489, 561, 594, 645, 621, 704, 744, 786, 754, 861, 924, 947, 921, 1035, 1080, 1128, 1092, 1254, 1263, 1326 ]
[ "nonn" ]
A167710
[ 1, 5, 13, 35, 79, 185, 397, 875, 1831, 3905, 8053, 16835, 34399, 70985, 144157, 294875, 596311, 1212305, 2444293, 4947635, 9954319, 20085785, 40348717, 81228875, 162989191, 327572705, 656739733, 1318262435, 2641307839, 5296964585, 10608278077, 21259602875 ]
[ "nonn", "easy" ]
A054637
[ 0, 1, 3, 4, 4, 5, 6, 7, 9, 11, 11, 13, 14, 16, 18, 19, 19, 19, 20, 20, 21, 22, 22, 24, 25, 26, 26, 27, 28, 29, 30, 31, 33, 34, 36, 36, 37, 39, 40, 41, 43, 45, 47, 47, 47, 49, 49, 50, 52, 52, 54, 56, 57, 57, 59, 60, 61, 63, 64, 66, 68, 70, 70, 72, 74, 75 ]
[ "nonn" ]
A385374
[ 1, 0, 1, 0, 2, 0, 3, 0, 3, 1, 5, 0, 6, 5, 6, 1, 8, 0, 9, 0, 27, 34, 11, 0, 40, 64, 72, 14, 14, 0, 15, 44, 150, 169, 185, 0, 18, 249, 270, 5, 20, 11, 21, 454, 532, 478, 23, 0, 176, 1057, 672, 1360, 26, 288, 864, 434, 972, 1033, 29, 0, 30, 1285, 4494, 4011, 1495 ]
[ "nonn", "look" ]
A043004
[ 2, 10, 34, 38, 42, 46, 130, 150, 170, 190, 514, 530, 546, 562, 582, 598, 614, 630, 650, 666, 682, 698, 718, 734, 750, 766, 2050, 2130, 2210, 2290, 2310, 2390, 2470, 2550, 2570, 2650, 2730, 2810, 2830, 2910, 2990, 3070, 8194, 8258, 8322, 8386, 8466, 8530, 8594 ]
[ "nonn", "base" ]
A239379
[ 1, 1, 4, 27, 255, 3028, 41972, 647006 ]
[ "nonn", "more" ]
A131456
[ 1, 2, 1, 2, 1, 2, 1, 2, 1, 2, 1, 4, 1, 2, 1, 2, 1, 2, 1, 2, 1, 2, 1, 6, 1, 2, 1, 2, 1, 2, 1, 2, 1, 2, 1, 4, 1, 2, 1, 2, 1, 2, 1, 2, 1, 2, 1, 8, 1, 2, 1, 2, 1, 2, 1, 2, 1, 2, 1, 7, 1, 2, 1, 2, 1, 2, 1, 2, 1, 2, 1, 6, 1, 2, 1, 2, 1, 2, 1, 2, 1, 2, 1, 4, 1, 2, 1, 2, 1, 2, 1, 2, 1, 2, 1, 10, 1, 2, 1, 2, 1, 2, 1, 2, 7 ]
[ "nonn" ]
A302344
[ 1, 2, 6, 193, 386, 1158, 8106, 348558 ]
[ "nonn", "fini", "full" ]
A119379
[ 146, 206, 262, 326, 562, 626, 718, 766, 802, 818, 898, 926, 934, 982, 1046, 1186, 1318, 1346, 1418, 1438, 1522, 1538, 1642, 1718, 1766, 1774, 1822, 1838, 1894, 2062, 2078, 2098, 2174, 2218, 2258, 2302, 2306, 2446, 2498, 2518, 2602, 2606, 2614, 2642, 2762 ]
[ "nonn" ]
A025583
[ 27, 35, 51, 57, 65, 77, 87, 93, 95, 117, 119, 121, 123, 125, 135, 143, 145, 147, 155, 161, 171, 177, 185, 187, 189, 203, 205, 207, 209, 215, 217, 219, 221, 237, 245, 247, 249, 255, 261, 267, 275, 287, 289, 291, 297, 299, 301, 303, 305, 321, 323, 325, 327, 329, 335, 341 ]
[ "nonn", "nice", "easy" ]
A285800
[ 15, 21, 30, 33, 35, 39, 42, 51, 55, 57, 60, 65, 66, 69, 70, 77, 78, 84, 85, 87, 91, 93, 95, 102, 105, 110, 111, 114, 115, 119, 120, 123, 129, 130, 132, 133, 135, 138, 140, 141, 143, 145, 154, 155, 156, 159, 161, 165, 168, 170, 174, 177, 182, 183, 185, 186 ]
[ "nonn", "easy" ]
A066307
[ 1, 4, 6, 8, 9, 22, 123, 132, 213, 231, 312, 321, 1124, 1142, 1214, 1241, 1412, 1421, 2114, 4112, 4121, 11125, 11133, 11152, 11215, 11222, 11313, 11331, 11512, 11521, 12115, 12122, 12151, 12212, 12221, 13113, 13131, 13311, 15112, 15211, 21115 ]
[ "base", "nonn" ]
A006582
[ 0, 6, 4, 12, 20, 42, 32, 40, 48, 78, 84, 116, 148, 210, 176, 176, 176, 214, 212, 252, 292, 378, 368, 408, 448, 542, 580, 676, 772, 930, 832, 800, 768, 806, 772, 812, 852, 970, 928, 968, 1008, 1134, 1172, 1300, 1428, 1650, 1584, 1616, 1648, 1782, 1812, 1948 ]
[ "nonn" ]
A176759
[ 1, 0, 1, 4, 11, 27, 67, 178, 505, 1489, 4473, 13593, 41749, 129579, 406021, 1282464, 4077987, 13041655, 41919347, 135352451, 438827223, 1427986281, 4662359911, 15268900019, 50143755435, 165095296125, 544847069819, 1802020334105 ]
[ "easy", "nonn" ]
A192418
[ 4, 48, 180, 448, 900, 1584, 2548, 3840, 5508, 7600, 10164, 13248, 16900, 21168, 26100, 31744, 38148, 45360, 53428, 62400, 72324, 83248, 95220, 108288, 122500, 137904, 154548, 172480, 191748, 212400 ]
[ "nonn", "easy" ]
A288171
[ 1, 2, 3, 2310, 1155, 770, 4, 6, 9, 1365, 385, 910, 8, 12, 11, 1785, 455, 210, 10, 18, 13, 231, 595, 330, 20, 22, 7, 273, 105, 390, 30, 26, 14, 77, 165, 195, 60, 28, 34, 91, 255, 285, 66, 38, 42, 35, 315, 55, 78, 44, 84, 70, 345, 65, 33, 52, 102, 130, 357, 95 ]
[ "nonn", "look" ]
A238798
[ 0, 1, 1, 0, 1, 0, 0, 5, 1, 116503103764643, 0, 604944512477, 11131, 39, 7 ]
[ "nonn", "hard" ]
A321239
[ 1, 1, 3, 16, 141, 1534, 19111, 262103, 3853373, 59763670, 966945204, 16191250596, 278933800080, 4921604827876, 88627915588351, 1624349874930925, 30231112607904744, 570284342486800200, 10887435073866748000, 210086404047975200000, 4.0929406911443485e+21, 8.043292511925925e+22 ]
[ "nonn" ]
A352672
[ 4, 0, 9, 8, 0, 7, 6, 2, 1, 1, 3, 5, 3, 3, 1, 5, 9, 4, 0, 2, 9, 1, 1, 6, 9, 5, 1, 2, 2, 5, 8, 8, 0, 8, 5, 5, 0, 4, 1, 4, 2, 0, 7, 8, 8, 0, 7, 1, 5, 5, 7, 0, 9, 4, 2, 0, 8, 3, 7, 1, 0, 4, 6, 9, 1, 7, 7, 8, 9, 9, 5, 2, 5, 3, 6, 3, 2, 0, 0, 0, 5, 5, 6, 2, 1, 7 ]
[ "nonn", "cons" ]
A328594
[ 0, 1, 2, 4, 5, 6, 8, 9, 11, 12, 13, 14, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 32, 33, 34, 35, 37, 38, 39, 40, 41, 43, 44, 46, 47, 48, 49, 50, 51, 52, 53, 55, 56, 57, 58, 59, 60, 61, 62, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77 ]
[ "nonn" ]
A298473
[ 1, -4, -6, 8, -10, 24, -14, -16, 18, 40, -22, -48, -26, 56, 60, 32, -34, -72, -38, -80, 84, 88, -46, 96, 50, 104, -54, -112, -58, -240, -62, -64, 132, 136, 140, 144, -74, 152, 156, 160, -82, -336, -86, -176, -180, 184, -94, -192, 98, -200, 204, -208, -106, 216, 220, 224, 228, 232, -118, 480 ]
[ "sign", "mult" ]
A115237
[ 1, 2, 1, 4, 4, 1, 6, 8, 4, 1, 9, 14, 10, 4, 1, 12, 20, 18, 10, 4, 1, 16, 28, 29, 20, 10, 4, 1, 20, 36, 41, 33, 20, 10, 4, 1, 25, 46, 56, 50, 35, 20, 10, 4, 1, 30, 56, 71, 69, 54, 35, 20, 10, 4, 1, 36, 68, 89, 92, 78, 56, 35, 20, 10, 4, 1, 42, 80, 107, 116, 105, 82, 56, 35, 20, 10, 4, 1 ]
[ "nonn", "tabl" ]
A088667
[ 6, 7, 2, 7, 2, 1, 2, 7, 2, 7, 6, 7, 2, 7, 2, 1, 2, 7, 2, 7, 6, 7, 2, 7, 2, 1, 2, 7, 2, 7, 6, 7, 2, 7, 2, 1, 2, 7, 2, 7, 6, 7, 2, 7, 2, 1, 2, 7, 2, 7, 6, 7, 2, 7, 2, 1, 2, 7, 2, 7, 6, 7, 2, 7, 2, 1, 2, 7, 2, 7, 6, 7, 2, 7, 2, 1, 2, 7, 2, 7, 6, 7, 2, 7, 2, 1, 2, 7, 2, 7, 6, 7, 2, 7, 2, 1, 2, 7, 2, 7, 6, 7, 2, 7, 2 ]
[ "easy", "nonn" ]
A272454
[ 4, 7, 9, 11, 12, 29, 3, 33, -5, 81, -29, 81, -21, 149, -113, 145, -29, 173, -149, 257, -101, 253, -197, 213, -5, 185, -121, 241, -81, 317, -245, 433, -173, 293, -81, 205, 55, 241, -181, 377, -205, 381, -121, 297, -45, 281, 75, 169, 79, 245, -221, 577, -181 ]
[ "sign", "easy" ]
A166614
[ 1, 27, 702, 18252, 474552, 12338352, 320797152, 8340725952, 216858874752, 5638330743552, 146596599332352, 3811511582641152, 99099301148669600, 2576581829865400300, 66991127576500175000, 1.7417693169889984e+21 ]
[ "nonn" ]
A230406
[ 0, 1, 1, 3, 2, 3, 2, 5, 6, 2, 3, 2, 5, 5, 6, 2, 4, 5, 6, 7, 4, 5, 6, 7, 5, 5, 7, 10, 2, 3, 2, 5, 5, 6, 2, 4, 5, 6, 7, 4, 5, 6, 7, 5, 5, 6, 9, 8, 7, 10, 2, 4, 5, 6, 7, 4, 5, 6, 7, 5, 5, 6, 8, 6, 8, 8, 7, 10, 11, 4, 5, 6, 7, 5, 5, 6, 8, 6, 8, 8, 7, 10, 12, 10, 11 ]
[ "nonn" ]
A033448
[ 74453, 76543, 132893, 182243, 202823, 297403, 358793, 485923, 655453, 735883, 759113, 780613, 797833, 849143, 1260383, 1306033, 1442173, 1531093, 1534153, 1586953, 1691033, 1717063, 1877243, 1945763, 1973633, 2035513, 2067083, 2216803, 2266993, 2542513, 2556803, 2565203, 2805773 ]
[ "nonn" ]
A084286
[ 1, 1, 4, 38, 728, 26704, 1866255, 251547611, 66295198837, 34494681184926, 35636712584655664 ]
[ "nonn", "more" ]
A359466
[ 0, 0, 0, 1, 0, 0, 0, 1, 1, 0, 0, 1, 0, 0, 0, 1, 0, 1, 0, 1, 0, 0, 0, 1, 1, 0, 1, 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 1, 1, 0, 0, 1, 1, 1, 0, 1, 0, 1, 0, 1, 0, 0, 0, 1, 0, 0, 1, 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 1, 1, 0, 0, 1, 0, 0, 0, 1, 0, 1, 0, 1, 0, 0, 0, 1, 0, 1, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 1, 1, 0, 0, 1, 1, 0, 0, 1, 1 ]
[ "nonn" ]
A171527
[ 4, 3, 8, 9, 2, 2, 2, 15, 16, 9, 20, 7, 22, 12, 5, 13, 27, 14, 30, 8, 11, 17, 35, 3, 38, 3, 40, 3, 44, 3, 46, 3, 49, 25, 51, 13, 54, 55, 56, 57, 58, 10, 62, 63, 64, 65, 66, 17, 69, 7, 24, 37, 75, 38, 7, 39, 80, 81, 82, 7, 85, 43, 29, 11, 18, 91, 92, 93, 94, 19, 96, 49, 99, 50, 34, 26, 15, 53, 108 ]
[ "nonn", "frac", "look" ]
A317667
[ 1, 3, 15, 154, 2865, 77532, 2684504, 111490839, 5357828286, 291299582266, 17643988446921, 1177175235308976, 85754781272021390, 6772714984220705000, 576470959628636450000, 5.2613628461306165e+22, 5.126338275850982e+24, 5.311460699304032e+26, 5.831956397790165e+28, 6.764879932357509e+30 ]
[ "nonn" ]
A143789
[ 4, 5, 6, 7, 8, 41, 51, 63, 72, 83, 200 ]
[ "base", "easy", "fini", "nonn" ]
A313214
[ 1, 4, 9, 15, 19, 24, 31, 34, 36, 42, 50, 56, 57, 61, 70, 72, 73, 83, 92, 93, 92, 99, 112, 114, 110, 119, 131, 131, 130, 141, 153, 150, 145, 158, 174, 172, 166, 177, 192, 189, 184, 199, 214, 208, 202, 217, 234, 229, 220, 235 ]
[ "nonn" ]
A244007
[ 235, 71113, 192329, 232931, 293137, 535961, 616771, 677173, 737983, 798389, 838997, 107109113, 137139149, 149151157, 181191193, 191193197, 211223227, 223227229, 233239241, 257263269, 269271277, 277281283, 337347349, 349353359, 373379383, 421431433, 431433439 ]
[ "nonn", "base" ]
A008364
[ 1, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, 97, 101, 103, 107, 109, 113, 121, 127, 131, 137, 139, 143, 149, 151, 157, 163, 167, 169, 173, 179, 181, 187, 191, 193, 197, 199, 209, 211, 221, 223, 227, 229, 233, 239, 241, 247 ]
[ "nonn", "easy" ]
A138356
[ 1, 1, 2, 4, 10, 27, 82, 268, 940, 3476, 13448, 53968, 223412, 949535, 4128594, 18310972, 82645012, 378851428, 1760998280, 8288679056, 39457907128, 189784872428, 921472827272, 4512940614960, 22279014978544, 110797225212112 ]
[ "nonn" ]
A138918
[ 1, 3, 4, 5, 6, 10, 11, 13, 14, 15, 20, 24, 25, 26, 28, 29, 31, 33, 36, 38, 39, 40, 43, 45, 46, 48, 49, 53, 54, 59, 61, 64, 66, 68, 70, 71, 76, 80, 83, 84, 88, 89, 90, 91, 95, 104, 105, 106, 110, 111, 115, 116, 119, 123, 126, 130, 131, 133, 134, 136, 144, 145, 148, 150 ]
[ "nonn", "easy" ]
A085812
[ 1, 5, 22, 91, 366, 1454, 5748, 22691, 89590, 354010, 1400268, 5544334, 21973420, 87158972, 345977832, 1374249251, 5461704870, 21717305762, 86391846492, 343800647066, 1368639516420, 5450093895812, 21708897213912, 86492537630606 ]
[ "nonn", "easy" ]
A266375
[ 1, 4, 10, 22, 44, 84, 157, 289, 528, 961, 1746, 3169, 5748, 10422, 18893, 34246, 62072, 112504, 203907, 369566, 669807, 1213965, 2200199, 3987653, 7227241, 13098682, 23740103, 43026653, 77981666, 141334258, 256154725, 464255755, 841418815, 1524990510 ]
[ "nonn", "easy" ]
A122904
[ 5, 7, 8, 9, 11, 13, 15, 16, 17, 19, 20, 21, 23, 24, 25, 27, 28, 29, 31, 32, 33, 35, 36, 37, 39, 40, 41, 43, 44, 45, 47, 48, 49, 51, 52, 53, 55, 56, 57, 59, 60, 61, 63, 64, 65, 67, 68, 69, 71, 72, 73, 75, 76, 77, 79, 80, 81, 83, 84, 85, 87, 88, 89, 91, 92, 93, 95, 96, 97, 99, 100 ]
[ "nonn" ]
A380020
[ 1, 2, 8, 55, 540, 6861, 106828, 1968443, 41884496, 1010558161, 27259824996, 812935829355, 26556802948624, 943118750625377, 36176486632451010, 1490585029223430700, 65656827447552550000, 3.078782615385685e+21, 1.5312704765046946e+23 ]
[ "nonn" ]
A303423
[ 8, 128, 1988, 30897, 480953, 7486281, 116517744, 1813509273, 28226012078, 439318146284, 6837678112091, 106423655020443, 1656409429611799, 25780849141739720, 401260805513420860, 6245342547417158000 ]
[ "nonn" ]
A107360
[ 3, 5, 7, 13, 17, 19, 31, 61, 127 ]
[ "nonn", "hard", "more" ]
A344837
[ 0, 0, 0, 0, 1, 0, 0, 2, 2, 0, 0, 2, 2, 2, 0, 0, 4, 2, 2, 4, 0, 0, 4, 4, 3, 4, 4, 0, 0, 4, 4, 4, 4, 4, 4, 0, 0, 4, 4, 5, 4, 5, 4, 4, 0, 0, 8, 4, 6, 4, 4, 6, 4, 8, 0, 0, 8, 8, 6, 4, 5, 4, 6, 8, 8, 0, 0, 8, 8, 8, 4, 5, 5, 4, 8, 8, 8, 0, 0, 8, 8, 9, 8, 5, 6, 5, 8, 9, 8, 8, 0 ]
[ "nonn", "base", "tabl" ]
A223738
[ 46, 2116, 42090, 480236, 3868968, 24527068, 129982953, 597438379, 2440360420, 9014646324, 30516683840, 95673407206, 280189387450, 772054552094, 2013904240777, 4999298886201, 11864241181898, 27024721429998 ]
[ "nonn" ]
A349841
[ 1, 1, 0, 1, 1, 0, 1, 2, 1, 0, 1, 3, 3, 1, 0, 1, 4, 6, 4, 1, 1, 1, 5, 10, 10, 5, 2, 0, 1, 6, 15, 20, 15, 7, 2, 0, 1, 7, 21, 35, 35, 22, 9, 2, 0, 1, 8, 28, 56, 70, 57, 31, 11, 2, 0, 1, 9, 36, 84, 126, 127, 88, 42, 13, 2, 1 ]
[ "easy", "nonn", "tabl" ]
A085523
[ 1, 5, 325, 333125, 5458253125, 1430853765453125, 6.00143710270887e+21, 4.027496323316806e+29, 4.3244912523789776e+38, 7.429419400754766e+48, 2.0421832546960463e+60, 8.981616938353e+72 ]
[ "nonn" ]
A364737
[ 1, 1, 0, -4, -6, 28, 119, -116, -1820, -2128, 22212, 79877, -172700, -1652728, -857428, 25387284, 71506309, -268817888, -1838702048, 449975584, 33164610276, 68575577309, -429542625096, -2221814345660, 2539462697398, 46048818685880, 61721413191310 ]
[ "sign" ]
A324422
[ 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 11, 320, 108300 ]
[ "nonn", "more" ]
A251692
[ 1, 1, 2, 14, 222, 10384, 1633416, 909329424, 1817382187648, 13096462193012288, 341920990254898500000, 3.2545025418981016e+25, 1.1369364835492064e+31, 1.4670198699267762e+37, 7.031737212339883e+43 ]
[ "nonn" ]
A315452
[ 1, 6, 11, 16, 20, 25, 30, 36, 42, 47, 52, 56, 61, 66, 72, 78, 83, 88, 92, 97, 102, 108, 114, 119, 124, 128, 133, 138, 144, 150, 155, 160, 164, 169, 174, 180, 186, 191, 196, 200, 205, 210, 216, 222, 227, 232, 236, 241, 246, 252 ]
[ "nonn" ]
A148855
[ 1, 1, 3, 8, 28, 91, 357, 1316, 5290, 21137, 87905, 364034, 1561508, 6634870, 29020984, 126046450, 559099248, 2469187687, 11084955557, 49574819823, 224824650873, 1015850981738, 4645039658822, 21172021133032, 97474508273022, 447579684854340, 2072778400834434, 9577522969707324, 44582241806569080 ]
[ "nonn", "walk" ]
A351550
[ 2, 10, 34, 106, 1666, 8746, 26242, 134946, 2125762, 3997714, 8298346, 156057642, 323814834, 672166026, 3901441050 ]
[ "nonn", "more" ]
A118101
[ 1, 7, 27, 119, 427, 1879, 6827, 30039, 109227, 480599, 1747627, 7689559, 27962027, 123032919, 447392427, 1968526679, 7158278827, 31496426839, 114532461227, 503942829399, 1832519379627, 8063085270359, 29320310074027, 129009364325719, 469124961184427 ]
[ "nonn", "base", "easy" ]
A290697
[ 2, 2, 3, 4, 5, 7, 9, 12, 16, 21, 28, 37, 49, 67, 91 ]
[ "nonn", "hard", "more" ]
A160698
[ 1, 2, 7, 11, 20, 25, 31, 46, 53, 68, 87, 106, 118, 152, 163, 190, 204, 247, 344, 377, 418, 436, 474, 492, 516, 558, 580, 647, 669, 713, 816, 894, 975, 1003, 1028, 1179, 1300, 1392, 1526, 1561, 1695, 1768, 1917, 1952, 2069, 2177, 2343, 2601, 2643, 2769, 2812 ]
[ "nonn" ]
A031412
[ 83, 103, 107, 119, 328, 352, 384, 416, 424, 480, 735, 795, 807, 879, 951, 1011, 1083, 1304, 1432, 1496, 1544, 1688, 1816, 1928, 2035, 2215, 2315, 2335, 2435, 2515, 2535, 2615, 2735, 2815, 2928, 2935, 3015, 3216, 3768, 3792, 3983, 4056, 4344, 4375, 4627 ]
[ "nonn" ]
A359641
[ 307, 8929, 992263, 229658167, 28674536239 ]
[ "nonn", "hard", "more" ]
A322192
[ 1, 1, 2, 7, 16, 49, 158, 480, 1565, 5372, 18168, 63018, 223069, 790675, 2837099, 10275237, 37365238, 136780746, 503454552, 1860283966, 6903032032, 25710869751, 96062102703, 360005362169, 1352895525992, 5096746479429, 19245661967963, 72829157526334, 276144309118166, 1048989168151209, 3991676310364631, 15213832997014866, 58073559070913630, 221990591912157500, 849708949683301000 ]
[ "nonn" ]
A010781
[ 1, 0, 3, 7, 1, 5, 5, 0, 4, 4, 4, 4, 6, 1, 9, 1, 9, 8, 6, 1, 3, 8, 7, 2, 5, 0, 2, 5, 5, 5, 6, 3, 8, 7, 2, 8, 0, 9, 9, 0, 1, 2, 4, 0, 1, 7, 9, 7, 6, 5, 1, 2, 3, 5, 7, 9, 9, 5, 2, 8, 7, 3, 9, 8, 0, 0, 7, 6, 8, 7, 3, 5, 3, 8, 1, 5, 1, 8, 7, 4, 2, 0, 0, 9, 3, 6, 0, 0, 6, 0, 1, 3, 8, 8, 6, 2, 0, 2, 0 ]
[ "nonn", "cons" ]
A080864
[ 27, 57, 87, 117, 147, 177, 205, 207, 237, 267, 297, 327, 357, 387, 415, 417, 447, 477, 507, 537, 567, 597, 625, 627, 657, 687, 717, 747, 777, 807, 835, 837, 867, 897, 927, 957, 987, 1017, 1045, 1047, 1077, 1107, 1137, 1167, 1197, 1227, 1255, 1257, 1287 ]
[ "nonn" ]
A156786
[ 2, -1, -1, 1, 4, 1, -1, -12, -12, -1, 1, 36, 72, 36, 1, -1, -140, -360, -360, -140, -1, 1, 750, 2100, 2400, 2100, 750, 1, -1, -5082, -15750, -16800, -16800, -15750, -5082, -1, 1, 40376, 142296, 152880, 117600, 152880, 142296, 40376, 1, -1, -362952, -1453536 ]
[ "sign", "tabl" ]
A266024
[ 25, 719, 3394, 110924, 3254726, 63460724, 1577145547, 38948760562, 916245375526, 22100022039548, 535029907435345, 12865137927698632 ]
[ "nonn" ]
A357946
[ 1, 6, 8, 20, 21, 40, 40, 66, 65, 98, 96, 136, 133, 180, 176, 230, 225, 286, 280, 348, 341, 416, 408, 490, 481, 570, 560, 656, 645, 748, 736, 846, 833, 950, 936, 1060, 1045, 1176, 1160, 1298, 1281, 1426, 1408, 1560, 1541, 1700, 1680, 1846, 1825, 1998, 1976 ]
[ "nonn", "easy" ]
A003293
[ 1, 1, 2, 4, 7, 12, 21, 34, 56, 90, 143, 223, 348, 532, 811, 1224, 1834, 2725, 4031, 5914, 8638, 12540, 18116, 26035, 37262, 53070, 75292, 106377, 149738, 209980, 293473, 408734, 567484, 785409, 1083817, 1491247, 2046233, 2800125, 3821959, 5203515 ]
[ "nonn", "easy", "nice" ]
A244907
[ 12, 59, 198, 431, 646, 1299, 2336, 3949, 5912, 8647, 12060, 17757, 24538, 31795, 42082, 47189, 61078, 75249, 94666, 117397, 139842, 170359, 200296, 239887, 284742, 333251, 359840, 412199, 479400, 543589, 633732, 715979, 802704, 912357, 1015446 ]
[ "nonn" ]
A250134
[ 27, 67, 162, 391, 900, 2026, 4530, 9975, 21694, 46871, 100571, 214396, 454934, 961550, 2025038, 4252314, 8907731, 18620476, 38854077, 80952643, 168448929, 350130660, 727093383, 1508720630, 3128504906, 6483632727, 13430463741 ]
[ "nonn" ]
A038165
[ 1, 5, 20, 60, 160, 376, 820, 1660, 3190, 5830, 10252, 17380, 28600, 45760, 71500, 109252, 163735, 240955, 348920, 497640, 700128, 972400, 1334840, 1812200, 2435420, 3241628, 4276520, 5594360, 7261040, 9354080, 11966504, 15206840 ]
[ "nonn" ]
A231679
[ 0, 1, 17, 98, 354, 979, 2275, 2276, 2292, 2373, 2629, 3254, 4550, 6951, 6967, 7048, 7304, 7929, 9225, 11626, 15722, 15803, 16059, 16684, 17980, 20381, 24477, 31038, 31294, 31919, 33215, 35616, 39712, 46273, 56273, 56898, 58194, 60595, 64691, 71252, 81252, 95893, 97189, 99590, 103686, 110247, 120247, 134888, 155624, 155625, 155641, 155722, 155978, 156603, 157899, 160300 ]
[ "nonn", "base" ]
A258609
[ 46060932, 90782784, 65662350, 42003361, 49848864, 80442961, 140873790, 244766025, 423931910, 720707716, 1218994536, 2017986084, 3322104840, 5349167044, 8565371976, 13422381025, 20921322092, 31951562500, 48551199120 ]
[ "nonn" ]
A065203
[ 0, 1, 1, 2, 1, 1, 2, 1, 2, 1, 2, 2, 2, 1, 2, 2, 1, 2, 2, 1, 2, 1, 3, 1, 2, 2, 2, 1, 2, 2, 1, 2, 1, 2, 3, 2, 1, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2, 2, 2, 1, 2, 3, 2, 2, 3, 2, 1, 2, 3, 2, 1, 2, 2, 1, 2, 2, 1, 2, 2, 3, 2, 2, 2, 1, 2, 1, 3, 2, 2, 2, 1, 2, 3, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2, 2, 3, 2, 3, 2, 2, 1, 2, 3, 3, 2, 2, 2 ]
[ "nonn" ]
A268702
[ 7, 71, 911, 8111, 16111, 911111, 1171111, 71111111, 131111111, 1711111111, 31111111111, 311111111111, 5111111111111, 41111111111111, 111151111111111, 5111111111111111, 11111611111111112, 191111111111111100, 2111111111111111200, 11111111611111110000 ]
[ "nonn", "base" ]
A199724
[ 1, 6, 5, 1, 0, 0, 0, 9, 3, 4, 4, 3, 9, 7, 1, 5, 7, 9, 8, 3, 0, 6, 8, 4, 8, 0, 8, 9, 8, 0, 4, 5, 7, 2, 8, 1, 4, 4, 1, 5, 8, 2, 8, 5, 5, 2, 9, 2, 4, 1, 7, 7, 2, 2, 7, 0, 8, 0, 6, 8, 6, 3, 4, 0, 5, 3, 0, 3, 9, 3, 7, 2, 0, 6, 4, 5, 5, 1, 8, 9, 7, 0, 1, 0, 4, 9, 1, 3, 7, 3, 7, 4, 0, 8, 3, 2, 9, 1, 8 ]
[ "nonn", "cons" ]
A192596
[ 1, 7, 31, 97, 127, 409, 601, 769, 1231, 1657, 1831, 2017, 2311, 3079, 3169, 3457, 3631, 3697, 3943, 4201, 4999, 5479, 5521, 5881, 6079, 6151, 6607, 6961, 7057, 7129, 7321, 7417, 7687, 8089, 8161, 8431, 9127, 9241, 9337, 9511, 9631, 9871, 10009 ]
[ "nonn" ]
A215696
[ 8, 12, 8, 12, 16, 20, 24, 15, 32, 36, 40, 24, 48, 52, 24, 33, 64, 68, 72, 42, 40, 84, 88, 35, 96, 100, 104, 60, 112, 56, 120, 69, 56, 132, 48, 78, 144, 148, 72, 60, 160, 72, 168, 96, 91, 180, 184, 63, 192, 196, 88, 114, 208, 212, 105, 85, 104, 228, 232, 84 ]
[ "nonn" ]
A324869
[ 1, 2, 2, 1, 2, 1, 2, 1, 1, 4, 2, 3, 2, 1, 1, 1, 2, 2, 2, 1, 1, 1, 2, 3, 3, 1, 1, 3, 2, 2, 2, 2, 4, 1, 1, 1, 2, 1, 1, 1, 2, 2, 2, 3, 2, 1, 2, 2, 3, 6, 1, 3, 2, 2, 1, 3, 1, 1, 2, 2, 2, 1, 2, 1, 4, 3, 2, 3, 4, 2, 2, 1, 2, 1, 1, 3, 1, 2, 2, 2, 1, 1, 2, 2, 1, 1, 1, 3, 2, 1, 1, 3, 4, 1, 1, 1, 2, 2, 1, 1, 2, 2, 2, 3, 1 ]
[ "nonn" ]
A214034
[ 1, 2, 3, 3, 5, 7, 7, 2, 3, 5, 11, 13, 7, 11, 15, 8, 5, 8, 3, 23, 5, 21, 23, 19, 13, 8, 7, 27, 11, 31, 31, 5, 17, 7, 11, 37, 17, 41, 7, 20, 23, 20, 11, 11, 21, 45, 47, 7, 19, 8, 27, 51, 17, 11, 7, 8, 27, 14, 11, 61, 31, 23, 63, 27, 5, 32, 35, 65, 7, 69, 23, 35, 37, 59, 35, 23, 41, 79, 15 ]
[ "nonn" ]
A378844
[ 1, 2, 3, 4, 5, 8, 9, 10, 11, 13, 14, 18, 19, 21, 27, 28, 29, 48, 49, 71, 75, 78, 79, 103, 104, 105, 106, 203, 204, 325, 326, 327, 530, 533, 795, 1198, 1199, 1204 ]
[ "nonn", "more" ]
A038047
[ 1, 1, 2, 4, 11, 22, 114, 228, 1436, 7352, 40345, 80690, 2338478, 4676956, 47060438 ]
[ "nonn", "eigen", "more" ]
A016912
[ 0, 1296, 20736, 104976, 331776, 810000, 1679616, 3111696, 5308416, 8503056, 12960000, 18974736, 26873856, 37015056, 49787136, 65610000, 84934656, 108243216, 136048896, 168896016, 207360000, 252047376, 303595776, 362673936, 429981696, 506250000, 592240896, 688747536 ]
[ "nonn", "easy" ]
A355515
[ 2, 5, 18, 31, 137, 928, 1719, 42047, 82375, 287453, 779984, 1272515, 1765046, 2257577, 2750108, 3242639, 3735170, 4227701, 4720232, 5212763, 5705294, 6197825, 6690356, 7182887, 7675418, 8167949, 8660480, 9153011, 9645542, 10138073, 10630604, 11123135, 11615666, 12108197 ]
[ "nonn" ]
A237872
[ 1, 4, 33, 292, 10085, 48756, 2827293, 257063528, 13779684369, 70889442280, 72634140523901, 314690934778068, 140915129117772850, 5533416685634617000, 251767541303505520000, 5.564415668430938e+22, 7.481965178603933e+24 ]
[ "nonn", "frac" ]
A362220
[ 1, 3, 2, 9, 7, 3, 1, 2, 2, 0, 6, 7, 8, 9, 4, 5, 5, 1, 5, 7, 3, 7, 1, 4, 6, 0, 6, 5, 5, 8, 4, 6, 4, 8, 5, 8, 9, 6, 0, 4, 8, 2, 9, 8, 5, 7, 4, 9, 0, 3, 8, 0, 4, 3, 6, 7, 5, 1, 2, 4, 6, 4, 5, 7, 9, 7, 9, 9, 7, 8, 0, 4, 7, 0, 6, 0, 1, 4, 3, 2, 0, 4, 5, 8, 3, 8, 2, 3, 7, 1, 3, 6, 9, 5, 1, 6, 2, 4, 8, 8, 4, 3, 6 ]
[ "cons", "nonn" ]
A008781
[ 1, 1, 1, 3, 12, 46, 163, 405, 770, 1252, 1921, 2816, 3977, 5464, 7313 ]
[ "nonn" ]
A101436
[ 0, 0, 0, 1, 0, 0, 0, 1, 1, 0, 0, 1, 0, 0, 0, 0, 0, 1, 0, 1, 0, 0, 0, 1, 1, 0, 1, 1, 0, 0, 0, 1, 0, 0, 0, 2, 0, 0, 0, 1, 0, 0, 0, 1, 1, 0, 0, 0, 1, 1, 0, 1, 0, 1, 0, 1, 0, 0, 0, 1, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 2, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 1, 0, 1, 0, 0, 0, 1, 0, 1, 1, 2, 0, 0, 0, 1, 0 ]
[ "nonn", "easy" ]
A032558
[ 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 6, 6, 6, 8, 8, 8, 8, 10, 10, 10, 13, 13, 13, 13, 16, 16 ]
[ "nonn", "base", "more" ]
A361979
[ 1, -1, 1, -1, 1, -1, 0, 1, -2, 3, -4, 5, -5, 4, -2, -2, 7, -13, 19, -24, 27, -25, 17, -2, -20, 48, -80, 110, -132, 137, -116, 62, 30, -158, 314, -479, 622, -704, 680, -507, 150, 405, -1135, 1973, -2797, 3432, -3662, 3250, -1983, -280, 3540, -7592, 11977, -15953 ]
[ "sign" ]
A065999
[ 1, 9, 9, 18, 18, 27, 18, 45, 27, 45, 45, 45, 54, 63, 72, 63, 63, 99, 81, 90, 90, 90, 90, 108, 117, 144, 117, 108, 90, 126, 99, 153, 144, 117, 153, 144, 162, 171, 153, 153, 153, 198, 162, 171, 198, 216, 171, 198, 198, 225, 153, 252, 216, 234, 207 ]
[ "nonn", "easy", "base" ]
A323294
[ 1, 0, 0, 1, 11, 10, 15, 21, 28, 36, 45, 55, 66, 78, 91, 105, 120, 136, 153, 171, 190, 210, 231, 253, 276, 300, 325, 351, 378, 406, 435, 465, 496, 528, 561, 595, 630, 666, 703, 741, 780, 820, 861, 903, 946, 990, 1035, 1081, 1128, 1176, 1225, 1275, 1326, 1378, 1431 ]
[ "nonn", "changed" ]
A032192
[ 1, 1, 4, 12, 30, 66, 132, 246, 429, 715, 1144, 1768, 2652, 3876, 5538, 7752, 10659, 14421, 19228, 25300, 32890, 42288, 53820, 67860, 84825, 105183, 129456, 158224, 192130, 231880, 278256, 332112, 394383, 466089, 548340 ]
[ "nonn" ]
A128943
[ 1, 1, 5, 53, 924, 23494, 810872, 36194514, 2017775680, 136829739216, 11055586913832, 1046742607228152, 114550470343202880, 14323855468574034000, 2.0266692095002086e+21, 3.217430579843083e+23, 5.689268061492293e+25, 1.1133427829583046e+28, 2.397458024796588e+30 ]
[ "easy", "nonn" ]
A119222
[ 6, 55, 66, 595, 666, 5565, 5995, 6555, 5656566, 95696695, 95969966995, 956996695656, 6559566959595, 59999565655666, 66555666699966, 555665666566566, 5566956999995566, 9956596655559556, 5555666996669966000, 5.555555666655657e+30, 5.56595695959556e+34 ]
[ "nonn", "base" ]
A384820
[ 1, 1, 2, 4, 8, 14, 25, 43, 74, 124, 205, 335, 543, 869, 1379, 2170, 3388, 5249, 8079, 12353, 18776, 28375, 42651, 63782, 94923, 140614, 207384, 304578, 445528, 649200, 942495, 1363447, 1965697, 2824676, 4046190, 5778273, 8227533, 11681632, 16540183, 23357053, 32898242 ]
[ "nonn" ]
A105709
[ 11, 17, 16, 50, 27, 36, 35, 66, 47, 55, 58, 59, 81, 70, 78, 83, 83, 95, 94, 111, 102, 148, 114, 140, 125, 126, 138, 137, 145, 150, 150, 163, 161, 183, 169, 205, 189, 191, 192, 193, 215, 204, 216, 212, 223, 224, 228, 243, 236, 250, 258, 257, 267, 260, 270, 271 ]
[ "nonn", "base" ]