Datasets:
N8Programs
/
oeis-enhanced

Dataset card Data Studio Files
xet
Community
1
id
stringlengths
7
11
seq
listlengths
1
347
keywords
listlengths
1
8
⌀
A097358
[ 11, 13, 17, 19, 29, 31, 37, 41, 43, 53, 61, 67, 73, 79, 89, 97, 101, 109, 113, 127, 137, 139, 149, 151, 157, 163, 173, 181, 193, 197, 199, 211, 223, 229, 233, 241, 257, 269, 277, 281, 283, 293, 307, 313, 317, 331, 337, 349, 353, 367, 373, 389, 397, 401, 409 ]
[ "nonn" ]
A239175
[ 1512, 22396, 2286144, 141857204, 9704723126, 652274371446, 44086966064930, 2970697967221324, 200428450914081730, 13520459601210070000, 911906098613740000000, 6.151166617857156e+22, 4.1491525761865826e+24 ]
[ "nonn" ]
A025867
[ 1, 0, 0, 0, 1, 0, 0, 1, 2, 0, 0, 1, 2, 0, 1, 2, 3, 0, 1, 2, 3, 1, 2, 3, 4, 1, 2, 3, 5, 2, 3, 4, 6, 2, 3, 5, 7, 3, 4, 6, 8, 3, 5, 7, 9, 4, 6, 8, 10, 5, 7, 9, 11, 6, 8, 10, 13, 7, 9, 11, 14, 8, 10, 13, 16, 9, 11, 14, 17, 10, 13, 16, 19 ]
[ "nonn", "easy" ]
A325965
[ 1, 2, 4, 2, 6, 5, 8, 2, 3, 3, 12, 3, 14, 3, 4, 2, 18, 2, 20, 3, 4, 3, 24, 5, 5, 3, 4, 27, 30, 5, 32, 2, 4, 3, 6, 2, 38, 3, 4, 3, 42, 5, 44, 3, 4, 3, 48, 3, 7, 2, 4, 3, 54, 5, 6, 3, 4, 3, 60, 5, 62, 3, 4, 2, 6, 5, 68, 5, 4, 3, 72, 2, 74, 3, 4, 3, 8, 5, 80, 3, 3, 3, 84, 3, 6, 3, 4, 3, 90, 5, 8, 3, 4, 3, 6, 5, 98, 2, 4, 2 ]
[ "nonn" ]
A359963
[ 1, 3, 6, 20, 30, 60, 168, 420, 840, 1980, 2160, 2520, 7560, 10080, 15120, 27720, 79200, 83160, 110880, 166320, 262080, 332640, 554400, 786240, 831600, 1081080, 1441440, 2162160, 2882880, 4324320, 7207200, 8648640, 10810800, 17297280, 21621600, 36756720, 43243200 ]
[ "nonn" ]
A314833
[ 1, 5, 9, 14, 18, 22, 31, 33, 40, 45, 45, 54, 52, 62, 65, 75, 78, 85, 83, 92, 88, 100, 103, 111, 120, 123, 121, 132, 122, 140, 139, 151, 156, 165, 157, 172, 158, 178, 177, 189, 196, 201, 197, 210, 194, 218, 213, 229, 234, 241 ]
[ "nonn" ]
A060197
[ 2, 3, 4, 4, 5, 5, 5, 5, 5, 5, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7 ]
[ "nonn" ]
A319711
[ 0, 1, 1, 2, 1, 4, 1, 4, 3, 5, 1, 7, 1, 4, 6, 6, 1, 8, 1, 10, 5, 6, 1, 11, 4, 5, 6, 9, 1, 15, 1, 10, 7, 7, 6, 15, 1, 6, 6, 16, 1, 15, 1, 13, 13, 8, 1, 16, 3, 10, 8, 9, 1, 14, 8, 14, 7, 6, 1, 25, 1, 5, 13, 13, 7, 18, 1, 13, 9, 18, 1, 21, 1, 6, 12, 12, 7, 15, 1, 25, 9, 8, 1, 26, 9, 7, 7, 20, 1, 29, 6, 16, 6, 9, 8, 21, 1, 10, 14, 19, 1, 18, 1, 15, 22 ]
[ "nonn", "base" ]
A210348
[ 40, 431, 4615, 49484, 530580, 5689274, 61005068, 654148428, 7014344012, 75213872216, 806508362752, 8648082333016, 92732242176864, 994355562040080, 10662343125623728, 114330894613824700, 1225955056113873000 ]
[ "nonn" ]
A186604
[ 42120, 3455, 5813, 19248, 54040, 90664, 98376, 99820, 101072, 102332, 103620, 105172, 108332, 117492, 152956, 244561, 344142, 446775, 556660, 694109, 888987, 1093393, 1304011, 1531041, 1821099, 2260191, 2808392, 3465438, 4248781, 5232601 ]
[ "nonn" ]
A022917
[ 1, 1, 2, 6, 24, 60, 180, 630, 2520, 7560, 25200, 92400, 369600, 1201200, 4204200, 15765750, 63063000, 214414200, 771891120, 2933186256, 11732745024, 41064607584, 150570227808, 577185873264, 2308743493056, 8245512475200 ]
[ "nonn", "easy", "nice" ]
A210137
[ 10, 221, 4349, 78063, 1321270, 21511540, 341220491, 5317431003, 81861887256, 1249700319322, 18966681171701, 286687896928349, 4321107835703010, 65001162786442690, 976443703757880600, 14653948717478775000 ]
[ "nonn" ]
A022973
[ 17, 16, 15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0, -1, -2, -3, -4, -5, -6, -7, -8, -9, -10, -11, -12, -13, -14, -15, -16, -17, -18, -19, -20, -21, -22, -23, -24, -25, -26, -27, -28, -29, -30, -31, -32, -33, -34, -35, -36, -37, -38, -39, -40, -41, -42, -43 ]
[ "sign" ]
A239449
[ 1, 3, 19, 49, 93, 151, 223, 309, 409, 523, 651, 793, 949, 1119, 1303, 1501, 1713, 1939, 2179, 2433, 2701, 2983, 3279, 3589, 3913, 4251, 4603, 4969, 5349, 5743, 6151, 6573, 7009, 7459, 7923, 8401, 8893, 9399, 9919, 10453, 11001, 11563, 12139, 12729, 13333, 13951 ]
[ "nonn", "easy" ]
A119365
[ 1, 0, 0, 1, 6, 20, 51, 126, 392, 1513, 5877, 21054, 71270, 242463, 863590, 3193737, 11889414, 43783908, 159998493, 586908936, 2175907284, 8138471667, 30541703733, 114620380032, 430344635913, 1619584557885, 6116422089050 ]
[ "easy", "nonn" ]
A167127
[ 1, 216, 68921, 884736, 1000000, 216000000, 68921000000, 884736000000, 1000000000000, 216000000000000, 68921000000000000, 884736000000000000, 1000000000000000000, 216000000000000000000, 6.8921e+22, 8.84736e+23 ]
[ "nonn", "base" ]
A204881
[ 91703, 6082654, 432151810, 22654826769, 1421934861518, 94025074210903, 5608526903917271, 349189566512619800, 22216601313189736000, 1.3710489580562342e+21, 8.540214408982797e+22 ]
[ "nonn" ]
A198858
[ 10, 87, 703, 5631, 45055, 360447, 2883583, 23068671, 184549375, 1476395007, 11811160063, 94489280511, 755914244095, 6047313952767, 48378511622143, 387028092977151, 3096224743817215, 24769797950537730, 198158383604301820 ]
[ "nonn", "easy" ]
A252446
[ 1382414, 91120655, 6833055569, 443610072768, 29918663096948, 2043376569066322, 137982401378538860, 9340499643291912000, 633028341305650800000, 4.286168528218092e+22, 2.902598081287339e+24 ]
[ "nonn" ]
A054605
[ 0, 6, 84, 780, 4200, 15810, 46956, 118104, 262800, 532350, 1001220, 1773156, 2988024, 4829370, 7532700, 11394480, 16781856, 24143094, 34018740, 47053500, 64008840, 85776306, 113391564, 148049160, 191118000, 244157550, 308934756 ]
[ "nonn", "easy" ]
A312413
[ 1, 4, 8, 14, 18, 20, 26, 31, 34, 38, 47, 50, 58, 56, 62, 68, 68, 78, 74, 84, 92, 94, 102, 102, 105, 106, 118, 121, 124, 130, 132, 144, 148, 144, 146, 152, 164, 170, 172, 168, 180, 187, 186, 192, 185, 206, 212, 216, 214, 216 ]
[ "nonn" ]
A129759
[ 1, 2, 3, 2, 3, 3, 3, 5, 5, 5, 5, 5, 5, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 11, 11, 7, 11, 11, 13, 13, 11, 11, 11, 11, 13, 13, 11, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 17, 17, 17, 17, 17, 19, 19, 17, 17, 17, 17, 19, 19, 17, 17, 19, 19, 19, 19, 19, 19, 17, 19 ]
[ "nonn", "look" ]
A301455
[ 1, 1, 4, 16, 74, 360, 1840, 9698, 52409, 288697, 1615275, 9153850, 52434770, 303104532, 1765920785, 10358843904, 61129390652, 362650003202, 2161590275029, 12938838382316, 77745063802045, 468760264760369, 2835272729215565, 17198394229862818, 104598950726341920, 637709136315071500 ]
[ "nonn" ]
A317839
[ 1, 0, 1, 0, 2, 0, 2, 0, 2, 0, 4, 0, 4, 0, 0, 0, 4, 0, 6, 0, 4, 0, 6, 0, 4, 0, 4, 0, 6, 0, 4, 0, 0, 0, 4, 0, 10, 0, 4, 0, 10, 0, 12, 0, 6, 0, 8, 0, 6, 0, 6, 0, 12, 0, 4, 0, 2, 0, 10, 0, 8, 0, -4, 0, 0, 0, 10, 0, 6, 0, 12, 0, 14, 0, 10, 0, 10, 0, 12, 0, 6, 0, 18, 0, 14, 0, 10, 0, 16, 0, 12, 0, 10, 0, 2, 0, 10, 0, 8, 0, 18, 0, 16, 0, 4 ]
[ "sign" ]
A032461
[ 2, 14, 26, 158, 282, 298, 406, 522, 534, 1050, 1470, 1478, 1614, 1970, 2570, 5054, 5166, 6238, 9614, 14026, 49602, 63686, 70110, 76934, 109666, 167734, 223590, 602070, 801578, 1327114, 1635086, 2545526 ]
[ "nonn", "hard", "more" ]
A179241
[ 1, 1, 1, 2, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 24, 29, 36, 45, 56, 69, 85, 105, 130, 161, 200, 247, 305, 377, 466, 577, 713, 881, 1089, 1347, 1665, 2058, 2544, 3144, 3887, 4805, 5939, 7341, 9074, 11216, 13864, 17137, 21183, 26183, 32364, 40005, 49449, 61122 ]
[ "nonn", "easy" ]
A080947
[ 63, 126, 231, 252, 255, 363, 399, 462, 495, 504, 510, 567, 627, 726, 735, 759, 798, 845, 891, 903, 924, 975, 990, 1008, 1020, 1023, 1071, 1134, 1215, 1239, 1254, 1365, 1407, 1419, 1452, 1455, 1470, 1518, 1575, 1596, 1690, 1695, 1743, 1755, 1782, 1806, 1848 ]
[ "nonn", "base" ]
A347087
[ 2, 1, 1, 5, 1, 9, 1, 11, 10, 15, 1, 12, 1, 21, 24, 25, 1, 19, 1, 18, 34, 33, 1, 25, 26, 39, 31, 24, 1, 17, 1, 59, 54, 51, 60, 42, 1, 57, 64, 35, 1, 23, 1, 36, 43, 69, 1, 54, 50, 51, 84, 42, 1, 59, 96, 45, 94, 87, 1, 63, 1, 93, 59, 145, 114, 35, 1, 54, 114, 37, 1, 94, 1, 111, 75, 60, 138, 41, 1, 68, 97, 123, 1, 87 ]
[ "sign" ]
A293992
[ 8, 115, 187, 1375, 2455, 8143, 13543, 18261, 21103, 23479, 40615, 41623, 43279, 49183, 49441, 51703, 56743, 61063, 61279, 61423, 89287, 95551, 137887, 214303, 331567, 379807, 476071, 715471, 1422871, 1515967, 1793527, 1977127, 2431087, 3098527, 3663871 ]
[ "nonn" ]
A301333
[ 1, 1, 1, 1, 1, 3, 1, 6, 1, 1, 3, 20, 1, 46, 6, 3, 1, 232, 1, 501, 3, 10, 23, 2352, 1, 34, 52, 1, 6, 24442, 3, 53243, 1, 234, 330, 352, 1, 550863, 804, 909, 3, 2616338, 10, 5701553, 23, 3, 4622, 27077005, 1, 8811, 34, 13864, 52, 280237217, 1, 34262, 6, 54290, 68915, 2900328380, 3, 6320545915, 169615 ]
[ "nonn" ]
A210472
[ 0, 1, 0, 1, 1, 0, 1, 2, 1, 0, 1, 3, 6, 1, 0, 1, 4, 33, 20, 1, 0, 1, 5, 196, 543, 70, 1, 0, 1, 6, 1305, 22096, 10497, 252, 1, 0, 1, 7, 9786, 1304045, 3323092, 220503, 924, 1, 0, 1, 8, 82201, 106478916, 1971644785, 574346824, 4870401, 3432, 1, 0 ]
[ "nonn", "tabl", "walk" ]
A323739
[ 2, 1, 1, 2, 6, 30, 180, 1440, 12960, 142560, 1995840, 29937600, 538876800, 10777536000, 226328256000, 5205549888000, 135344297088000, 3924984615552000, 117749538466560000, 3885734769396480000, 136000716928876800000, 4.896025809439565e+21, 1.90945006568143e+23 ]
[ "nonn", "easy" ]
A055190
[ 4, 1, 4, 2, 4, 1, 1, 3, 4, 3, 1, 1, 2, 4, 4, 5, 1, 2, 2, 2, 3, 6, 4, 6, 1, 5, 2, 3, 3, 1, 5, 7, 4, 8, 1, 6, 2, 5, 3, 3, 5, 2, 6, 8, 4, 9, 1, 8, 2, 7, 3, 5, 5, 4, 6, 1, 7, 1, 8, 10, 4, 12, 1, 9, 2, 8, 3, 7, 5, 5, 6, 3, 7, 4, 8, 1, 9, 12, 4, 14, 1, 10, 2, 10, 3, 9, 5, 6 ]
[ "nonn" ]
A241841
[ 0, 0, 1, 4, 18, 106, 842, 11094, 261033, 11716465, 1006700330, 164059829925, 50335907867918, 29003487462844904, 31397381142761234000, 6.396956011322518e+22, 2.4587183168208403e+26, 1.787331725248899e+30, 2.463602142939987e+34 ]
[ "nonn" ]
A030362
[ 1, 2, 2, 3, 2, 1, 2, 3, 3, 3, 4, 4, 3, 4, 5, 6, 7, 6, 6, 7, 6, 5, 4, 4, 5, 4, 5, 5, 4, 5, 4, 3, 2, 3, 4, 4, 4, 4, 5, 5, 5, 4, 5, 5, 6, 7, 8, 8, 7, 7, 8, 8, 7, 6, 7, 8, 8, 9, 10, 11, 12, 12, 13, 14, 15, 14, 15, 16, 15, 16, 17, 16, 16, 16, 17, 16, 16, 15, 16, 15 ]
[ "nonn" ]
A319284
[ 1, 1, 1, 1, 2, 0, 1, 3, 2, 0, 1, 4, 6, 4, 2, 1, 5, 12, 14, 12, 10, 1, 6, 20, 36, 46, 40, 4, 1, 7, 30, 76, 140, 164, 94, 40, 1, 8, 42, 140, 344, 568, 550, 312, 92, 1, 9, 56, 234, 732, 1614, 2292, 2038, 1066, 352, 1, 10, 72, 364, 1400, 3916, 7552, 9632, 7828, 4040, 724, 1, 11, 90, 536, 2468, 8492, 21362, 37248, 44148, 34774, 15116, 2680 ]
[ "nonn", "tabl" ]
A152300
[ 2, 3, 3, 10, 20, 10, 65, 145, 145, 65, 626, 1612, 1572, 1612, 626, 7777, 24549, 23114, 23114, 24549, 7777, 117650, 450564, 496974, 340664, 496974, 450564, 117650, 2097153, 9493425, 12990807, 7851015, 7851015, 12990807, 9493425, 2097153 ]
[ "nonn" ]
A085514
[ 1, 9, 10, 11, 14, 15, 18, 26, 29, 30, 31, 34, 35, 37, 38, 42, 43, 44, 48, 52, 53, 54, 55, 57, 59, 62, 63, 64, 67, 69, 70, 71, 73, 74, 75, 76, 82, 84, 85, 86, 90, 92, 93, 94, 95, 96, 98, 100, 101, 102, 103, 105, 106, 108, 111, 112, 116, 117, 122, 125, 126, 127, 128 ]
[ "nonn" ]
A068822
[ 1, 2, 1, 2, 5, 2, 1, 2, 1, 10, 1, 4, 1, 2, 5, 4, 1, 2, 1, 20, 1, 2, 1, 4, 25, 2, 1, 4, 1, 10, 1, 4, 1, 2, 5, 4, 1, 2, 1, 20, 1, 2, 1, 4, 5, 2, 1, 4, 1, 50, 1, 4, 1, 2, 5, 4, 1, 2, 1, 20, 1, 2, 1, 4, 5, 2, 1, 4, 1, 10, 1, 4, 1, 2, 25, 4, 1, 2, 1, 20, 1, 2 ]
[ "nonn", "base", "easy" ]
A193562
[ 1, 2, 2, 4, 2, 4, 2, 4, 4, 8, 4, 4, 4, 4, 4, 8, 2, 4, 4, 8, 2, 4, 4, 4, 2, 8, 4, 8, 2, 4, 4, 8, 4, 8, 2, 4, 4, 8, 4, 4, 4, 8, 4, 16, 8, 8, 2, 8, 2, 8, 4, 8, 4, 8, 2, 8, 2, 4, 4, 16, 8, 4, 4, 8, 8, 4, 8, 8, 4, 8, 8, 4, 4, 4, 2, 8, 8, 16, 4, 16, 2, 4, 2, 16, 4 ]
[ "nonn", "easy" ]
A347180
[ 1, 10, 11, 12, 9, 21, 2, 6, 16, 7, 25, 5, 3, 13, 8, 23, 4, 26, 17, 30, 31, 14, 15, 34, 39, 24, 18, 45, 32, 41, 28, 19, 22, 33, 40, 35, 38, 36, 37, 29, 42, 20, 46, 27, 47, 52, 49, 50, 43, 48, 51, 54, 64, 44, 55, 53, 65, 56, 63, 58, 61, 60, 66, 57, 62, 59, 67, 68, 69, 72, 76, 75, 73, 79, 82, 71, 70 ]
[ "base", "nonn" ]
A118439
[ 1, -1, 5, 11, -23, -41, 45, -29, 337, 1199, -3115, -6469, 10297, 8839, 16125, 108691, -354143, -873121, 1721765, 2521451, -1476983, 6699319, -34182195, -103232189, 242017777, 451910159, -597551755, -130656229, -2465133863, -10513816601, 29729597085, 66349305331, -116749235903 ]
[ "sign" ]
A162165
[ 1, 37, 702, 9102, 90686, 740222, 5153693, 31465577, 171895451, 853189623, 3893872009, 16498746405, 65414952123, 244293496151, 864100862802, 2908662063474, 9355685557836, 28857543077604, 85625485744207 ]
[ "nonn" ]
A218564
[ 1068, 2057, 4193, 5182, 7318, 8307, 10443, 11432, 13568, 14557, 16693, 17682, 19818, 20807, 22943, 23932, 26068, 27057, 29193, 30182, 32318, 33307, 35443, 36432, 38568, 39557, 41693, 42682, 44818, 45807, 47943, 48932, 51068, 52057, 54193, 55182, 57318, 58307 ]
[ "nonn" ]
A339961
[ 1, 5640, 1269684, 295671198, 93391009587, 26971800950170, 7621726574570613, 2176852129116199200, 621423541447699900000, 1.7712981173237637e+23, 5.049609872620378e+25, 1.439592806330913e+28, 4.103904494029399e+30 ]
[ "nonn" ]
A376986
[ 0, 0, 0, 0, 0, 1, 1, 2, 3, 5, 6, 11, 16, 25, 33, 56, 81, 118, 162, 263, 380, 556, 768, 1229 ]
[ "nonn", "more" ]
A006145
[ 5, 24, 49, 77, 104, 153, 369, 492, 714, 1682, 2107, 2299, 2600, 2783, 5405, 6556, 6811, 8855, 9800, 12726, 13775, 18655, 21183, 24024, 24432, 24880, 25839, 26642, 35456, 40081, 43680, 48203, 48762, 52554, 61760, 63665, 64232, 75140, 79118, 95709, 106893, 109939 ]
[ "nonn" ]
A156830
[ 2, 5, 11, 17, 23, 29, 37, 41, 47, 59, 67, 79, 89, 97, 103, 113, 127, 131, 139, 149, 157, 167, 173, 181, 191, 197, 211, 223, 227, 233, 251, 257, 269, 277, 293, 307, 317, 331, 337, 347, 359, 367, 379, 383, 389, 397, 419, 433, 439, 443, 449, 457, 461, 479, 487 ]
[ "nonn" ]
A164454
[ 13, 21, 34, 52, 79, 120, 179, 266, 395, 583, 859, 1265, 1859, 2730, 4008, 5880, 8624, 12647, 18542, 27182, 39846, 58405, 85605, 125470, 183894, 269519, 395010, 578925, 848466, 1243499, 1822447, 2670937, 3914461, 5736933, 8407896, 12322384 ]
[ "nonn", "easy" ]
A366102
[ 1, 0, 0, 0, -1, 1, -1, 1, 4, -10, 17, -25, -1, 76, -217, 443, -490, -94, 1999, -6208, 11527, -12350, -4471, 63826, -184055, 332713, -342399, -231390, 2101215, -5790892, 10230983, -9625472, -10237792, 71714387, -190381165, 324440310, -275119412, -430340403 ]
[ "sign" ]
A155728
[ 1, 2, 14, 121, 1383, 19108, 309708, 5751027, 120357325, 2803145494, 71926499002, 2016492639229, 61338391284387, 2012321446421976, 70833707268623450, 2663117961930478000, 106515148705020940000, 4.5160635731521186e+21, 2.0232883484143793e+23 ]
[ "eigen", "nonn" ]
A016250
[ 1, 17, 210, 2290, 23411, 230307, 2210020, 20850980, 194384421, 1796538997, 16498405430, 150792530070, 1373280939031, 12472565630087, 113044350922440, 1022937980063560, 9245213572903240, 83478324422447580, 753204735666257000, 6792141332045915000 ]
[ "nonn", "easy" ]
A359785
[ 1, 0, 0, -1, 0, -1, 0, 0, -1, -1, 0, 0, 0, -1, -1, 0, 0, 0, 0, 0, -1, -1, 0, 1, -1, -1, 0, 0, 0, 0, 0, 0, -1, -1, -1, 1, 0, -1, -1, 1, 0, 0, 0, 0, 0, -1, 0, 0, -1, 0, -1, 0, 0, 1, -1, 1, -1, -1, 0, 2, 0, -1, 0, 0, -1, 0, 0, 0, -1, 0, 0, 0, 0, -1, 0, 0, -1, 0, 0, 0, 0, -1, 0, 2, -1, -1, -1, 1, 0, 2, -1, 0, -1, -1, -1, 0, 0, 0, 0, 1, 0, 0, 0, 1, 0 ]
[ "sign" ]
A214282
[ 1, 1, 1, 3, 6, 10, 15, 35, 70, 126, 210, 462, 924, 1716, 3003, 6435, 12870, 24310, 43758, 92378, 184756, 352716, 646646, 1352078, 2704156, 5200300, 9657700, 20058300, 40116600, 77558760, 145422675, 300540195, 601080390, 1166803110, 2203961430, 4537567650, 9075135300, 17672631900 ]
[ "nonn", "easy" ]
A020327
[ 14, 108, 339, 694, 1104, 1816, 2021, 3363, 4053, 5370, 4444, 9052, 5205, 11215, 14348, 11334, 7786, 18204, 9859, 29662, 24183, 17889, 12648, 38904, 20559, 24821, 31884, 43698, 16480, 59019, 15409, 43600, 48011, 39273, 79516, 74034, 17029, 42954, 70221 ]
[ "nonn" ]
A285865
[ 1, 1, 1, 3, 1, 1, 1, 1, 1, 1, 15, 1, 1, 1, 1, 1, 3, 1, 3, 1, 1, 21, 1, 1, 1, 1, 1, 1, 1, 3, 1, 3, 1, 1, 1, 1, 15, 1, 3, 1, 3, 1, 3, 1, 1, 1, 5, 1, 1, 1, 5, 1, 1, 1, 1, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 ]
[ "nonn", "easy", "tabl", "frac" ]
A381667
[ 1, 1, 2, 3, 1, 2, 3, 2, 4, 1, 3, 1, 5, 2, 4, 3, 6, 4, 2, 5, 1, 3, 6, 2, 7, 5, 1, 4, 3, 6, 1, 5, 2, 8, 4, 7, 3, 6, 9, 4, 8, 5, 2, 7, 1, 3, 6, 9, 2, 7, 1, 8, 5, 10, 4, 3, 6, 9, 1, 5, 10, 4, 11, 8, 2, 7, 3, 6, 9, 12, 4, 8, 1, 7, 2, 11, 5, 10, 3, 6, 9, 12, 2, 7, 11, 4, 10, 5, 1, 8, 13 ]
[ "nonn", "tabl" ]
A151248
[ 1, 4, 17, 77, 359, 1702, 8165, 39490, 192131, 939016, 4605451, 22650627, 111651643, 551379076, 2727090199, 13505347559, 66955102057, 332249446722, 1650027506813, 8200076776267, 40776104773443, 202872003528704, 1009809751924771, 5028455914303228, 25048822763861524, 124818886054490300 ]
[ "nonn", "walk" ]
A060341
[ 2, 3, 7, 11, 17, 41, 47, 83, 89, 307, 311, 613, 617, 919, 2801, 3109, 3413, 9283, 15461, 25087, 37781, 87613, 106181, 284509, 296591, 618269, 1196609, 1774921, 3564677, 5339287, 9818789, 14295223, 23196731, 46393469, 93691861, 98171363, 190948399, 429204473 ]
[ "nonn" ]
A281987
[ 0, 2008, 226025, 4668914, 77613062, 1170765416, 16521306352, 225583845888, 3008079936046, 39403294497598, 509651810402523, 6522893815553876, 82799912439842460, 1043840089707547000, 13083226632116042000 ]
[ "nonn" ]
A339564
[ 0, 1, 1, 2, 1, 3, 1, 4, 2, 3, 1, 7, 1, 3, 3, 7, 1, 7, 1, 7, 3, 3, 1, 14, 2, 3, 4, 7, 1, 10, 1, 12, 3, 3, 3, 17, 1, 3, 3, 14, 1, 10, 1, 7, 7, 3, 1, 26, 2, 7, 3, 7, 1, 14, 3, 14, 3, 3, 1, 25, 1, 3, 7, 19, 3, 10, 1, 7, 3, 10, 1, 36, 1, 3, 7, 7, 3, 10, 1, 26, 7, 3 ]
[ "nonn" ]
A141389
[ 2, 4, 9, 7, 12, 1, 5, 6, 11, 13, 15, 8, 3, 18, 21, 10, 16, 25, 24, 27, 20, 29, 14, 30, 26, 19, 28, 35, 32, 33, 22, 38, 17, 37, 36, 42, 23, 34, 41, 47, 43, 39, 46, 31, 40, 45, 54, 55, 51, 57, 58, 44, 52, 56, 49, 50, 60, 53, 65, 66, 59, 68, 63, 48, 71, 62, 70, 74, 69, 73, 77, 64, 76, 78, 61, 79, 81, 82, 85, 86 ]
[ "base", "easy", "nonn" ]
A110452
[ 362880, 362880, 181440, 60480, 15120, 3024, 504, 72, 9 ]
[ "base", "nonn" ]
A016358
[ 1, -1, 0, 0, 0, 0, 0, 1, -1, 0, 0, 0, 0, 0, 1, -1, 0, 0, 0, 0, 0, 1, -1, 0, 0, 0, 0, 0, 1, -1, 0, 1, -1, 0, 0, 1, -1, 0, 1, -1, 0, 0, 1, -1, 0, 1, -1, 0, 0, 1, -1, 0, 1, -1, 0, 0, 1, -1, 0, 1, -1, 0, 1, 0, -1, 0, 1, -1, 0, 1, 0, -1, 0, 1, -1, 0, 1, 0, -1, 0, 1 ]
[ "sign", "fini", "full" ]
A218651
[ 4, 4, 4, 16, 16, 16, 36, 66, 66, 36, 94, 292, 610, 292, 94, 236, 1280, 4946, 4946, 1280, 236, 602, 5644, 44712, 82188, 44712, 5644, 602, 1528, 24782, 391888, 1374954, 1374954, 391888, 24782, 1528, 3882, 108940, 3441914, 23370578, 45453172 ]
[ "nonn", "tabl" ]
A005502
[ 3, 11, 53, 295, 1867, 12560, 89038, 652198, 4903955, 37627699, 293607612, 2323604832, 18614121391, 150704813812, 1231596828200, 10148762396401, 84252059397251, 704122279126074, 5920239345451780, 50051285956517460, 425273487358680300, 3630084126997807600 ]
[ "nonn" ]
A215592
[ 0, 0, 0, 0, 1, 0, 1, 0, 1, 0, 1, 2, 0, 1, 2, 0, 1, 2, 0, 1, 2, 3, 0, 1, 2, 3, 0, 1, 2, 3, 0, 1, 2, 3, 0, 4, 1, 2, 3, 0, 4, 1, 2, 3, 0, 4, 1, 2, 3, 0, 4, 1, 5, 2, 3, 0, 4, 1, 5, 2, 3, 0, 4, 1, 5, 2, 3, 0, 4, 1, 5, 2, 6, 3, 0, 4, 1, 5, 2, 6, 3 ]
[ "nonn" ]
A083428
[ 1423, 1234657, 10123457689, 10111112233469856, 1.0111111112233446e+22, 1.0111111111112234e+28, 1.0011111111111123e+34, 1.0011111111111123e+40, 1.0011111111111122e+46 ]
[ "base", "nonn" ]
A200611
[ 1, 3, 7, 6, 0, 5, 2, 5, 1, 5, 3, 9, 9, 6, 6, 9, 7, 5, 3, 5, 7, 9, 4, 8, 9, 2, 7, 4, 8, 8, 0, 9, 1, 1, 6, 1, 2, 8, 3, 1, 1, 3, 8, 8, 8, 2, 4, 0, 3, 0, 3, 6, 7, 6, 5, 9, 3, 2, 9, 8, 6, 3, 0, 8, 3, 2, 5, 3, 6, 4, 7, 0, 0, 9, 9, 4, 9, 9, 1, 6, 0, 5, 7, 3, 2, 2, 6, 6, 0, 7, 3, 2, 0, 7, 1, 8, 9, 3, 7 ]
[ "nonn", "cons" ]
A036947
[ 5, 59, 599, 0, 59999, 599959, 5595559, 55555559, 555555599, 5555555959, 55555595999, 555555555559, 5555555599999, 55555555595599, 555555555995959, 5555555555559959, 55555555555556000, 555555555555555600 ]
[ "nonn", "base" ]
A286722
[ 1, 15, 231, 4040, 80844, 1835988, 46819324, 1327098024, 41436870696, 1414064576672, 52383613213920, 2094099207620160, 89873259151044160, 4122137910567440400, 201246677825480820000, 1.0420702442559833e+22, 5.704777919027492e+23, 3.2923432900388516e+25 ]
[ "nonn", "easy" ]
A307819
[ 1, 1, 0, 1, -1, 0, 1, -2, -1, 0, 1, -3, 0, 5, 0, 1, -4, 3, 16, -5, 0, 1, -5, 8, 27, -56, -11, 0, 1, -6, 15, 32, -189, 48, 41, 0, 1, -7, 24, 25, -416, 567, 384, -29, 0, 1, -8, 35, 0, -725, 2176, 189, -1920, -125, 0, 1, -9, 48, -49, -1080, 5625, -4864, -11259, 3168, 365, 0 ]
[ "sign", "tabl" ]
A050968
[ 241, 313, 449, 829, 953, 1069, 1193, 1213, 1697, 2381, 3853, 4733, 5077, 5189, 5381, 5669, 5981, 6173, 6277, 6389, 6397, 6917, 7717, 7757, 7877, 8237, 9973, 10037, 11093, 11933, 12893, 13397, 19997, 27917 ]
[ "nonn", "fini", "full" ]
A077851
[ 1, 3, 7, 17, 41, 97, 229, 541, 1277, 3013, 7109, 16773, 39573, 93365, 220277, 519701, 1226133, 2892821, 6825045, 16102357, 37990357, 89630805, 211466325, 498913365, 1177088341, 2777109333, 6552045397, 15458267477, 36470753621, 86045598037, 203007731029 ]
[ "nonn", "easy" ]
A093949
[ 1, 1, 2, -2, 0, -3, 1, -5, -3, 0, 2, 1, -3, 1, 5, 0, 5, 5, 2, 0, -5, 11, -3, -2, 0, 6, 0, -7, -13, 0, -3, 5, 0, -10, 0, -1, -6, 0, -7, 5, -7, 6, 7, -3, 0, 9, 10, -7, 0, 0, 1, 9, 5, 6, 0, 0, 19, -10, 11, 0, -6, -10, -7, -2, 10, 9, 0, -2, -11, 0, -11, -11, 15, -7, 0, -11, -6, -20, 0, 0, 9, 0, -3, 0, 0, -5, 5, -2, 1, -10, -7, 14, 0, -11 ]
[ "sign" ]
A055000
[ 311, 863, 14369, 14699, 15329, 16277, 19717, 20272, 25416, 28500, 29033, 36467, 37607, 40433, 41074, 42463, 45101, 46660, 48731, 49253, 49499, 50560, 53424, 55813, 59068, 67141, 68787, 70104, 70429, 70692, 71548, 76423, 78756, 78791 ]
[ "nonn" ]
A365955
[ 0, 1, 0, 0, 6, 4, 1, 0, 0, 0, 48, 117, 126, 84, 36, 9, 1, 0, 0, 0, 0, 160, 1504, 5496, 10352, 12662, 11424, 8008, 4368, 1820, 560, 120, 16, 1, 0, 0, 0, 0, 0, 520, 9000, 73250, 356450, 1135925, 2500910, 4024550, 5038100, 5160175, 4451000, 3268160, 2042950, 1081575, 480700, 177100, 53130, 12650, 2300, 300, 25, 1 ]
[ "nonn", "tabf" ]
A040603
[ 25, 12, 1, 1, 12, 50, 12, 1, 1, 12, 50, 12, 1, 1, 12, 50, 12, 1, 1, 12, 50, 12, 1, 1, 12, 50, 12, 1, 1, 12, 50, 12, 1, 1, 12, 50, 12, 1, 1, 12, 50, 12, 1, 1, 12, 50, 12, 1, 1, 12, 50, 12, 1, 1, 12, 50, 12, 1, 1, 12, 50, 12, 1, 1, 12, 50, 12, 1, 1, 12, 50, 12 ]
[ "nonn", "cofr", "easy" ]
A059612
[ 5, 7, 8, 10, 14, 16, 23, 76, 95, 100, 158, 196, 235, 338, 620, 1646, 1850, 1891, 3833, 4394, 5194, 6017, 6070, 8824, 9955, 11399, 12250, 28723, 32057, 45494, 137359, 139627, 160654, 178819, 183284, 276391, 283466, 400571, 449030, 632815, 875518, 981016, 3511529 ]
[ "nonn" ]
A331222
[ 1, 16, 4, 81, 81, 3, 81, 256, 64, 256, 16, 25, 625, 625, 256, 625, 625, 25, 1296, 64, 324, 48, 625, 81, 1296, 12, 625, 3136, 2401, 2401, 1225, 2401, 2401, 1296, 2401, 2401, 50176, 4096, 81, 1024, 49, 49, 4096, 256, 256, 4096, 2401, 1024, 4096, 35721, 6561 ]
[ "nonn", "frac" ]
A370623
[ 1, 0, 6, 9, 90, 255, 1671, 6258, 34674, 148455, 765141, 3499551, 17487531, 82704921, 408192420, 1964826174, 9657348546, 46944246777, 230604062127, 1127574041325, 5543828629305, 27211172907207, 133970970691311, 659351846223252, 3251029812112995 ]
[ "nonn" ]
A337610
[ 1, 10, 15, 22, 26, 33, 34, 46, 51, 58, 65, 69, 70, 82, 86, 87, 94, 105, 106, 118, 122, 123, 130, 134, 141, 142, 146, 154, 159, 166, 177, 178, 190, 195, 202, 206, 213, 214, 215, 218, 226, 231, 238, 249, 250, 254, 262, 266, 267, 274, 285, 286, 298, 302, 303, 310 ]
[ "nonn", "easy" ]
A106096
[ 61, 163, 263, 461, 463, 563, 601, 613, 631, 641, 643, 653, 661, 1061, 1063, 1163, 1361, 1601, 1613, 1621, 1663, 2063, 2161, 2621, 2633, 2663, 3061, 3163, 3361, 3461, 3463, 3613, 3623, 3631, 3643, 4261, 4363, 4463, 4561, 4603, 4621, 4643, 4651, 4663, 5261 ]
[ "nonn", "base", "easy" ]
A307149
[ 0, 0, 0, 1, 0, 2, 1, 3, 1, 5, 3, 7, 4, 10, 7, 12, 8, 17, 13, 21, 16, 28, 23, 32, 27, 42, 37, 48, 44, 60, 56, 66, 64, 83, 81, 93, 94, 114, 115, 124, 131, 152, 159, 166, 182, 198, 214, 212, 241, 254, 283, 274, 320, 322, 368, 342, 412, 402, 472, 428, 528, 494 ]
[ "nonn" ]
A228676
[ 1, 0, 0, 0, 0, 0, 0, 0, 0, 48619, 184754, 335918, 587858, 994838, 1634378, 2615006, 4085948, 6249098, 227873431499, 1914096764581, 10597168136104, 42893468596297, 150965696385640, 488842369407373, 1495597557713296, 4389498481714495, 12479738997128938 ]
[ "nonn" ]
A001698
[ 1, 3, 7, 16, 40, 99, 249, 622, 1559, 3907, 9793, 24547, 61529, 154231, 386598, 969057, 2429064, 6088761, 15262259, 38256810, 95895601, 240374624, 602529829, 1510318306, 3785806568, 9489609785, 23786924201, 59624976769, 149457652642, 374634777973 ]
[ "nonn" ]
A242329
[ 5, 9, 29, 129, 629, 3129, 15629, 78129, 390629, 1953129, 9765629, 48828129, 244140629, 1220703129, 6103515629, 30517578129, 152587890629, 762939453129, 3814697265629, 19073486328129, 95367431640629, 476837158203129, 2384185791015629, 11920928955078128 ]
[ "nonn", "easy" ]
A164926
[ 2, 3, 107, 5, 347, 1607, 1277, 21557, 51867197, 11, 180078317, 1761702947, 8776320587, 27649987598537, 291598227841757, 17 ]
[ "hard", "nonn", "more" ]
A042560
[ 28, 57, 199, 256, 1991, 4238, 6229, 41612, 89453, 309971, 3499134, 38800445, 119900469, 278601383, 1791508767, 2070110150, 5931729067, 43592213619, 49523942686, 192164041677, 433852026040, 24487877499917 ]
[ "nonn", "cofr", "frac", "easy" ]
A377010
[ 1, 7, 4, 4, 6, 6, 3, 4, 0, 5, 0, 1, 7, 4, 0, 1, 9, 2, 3, 4, 5, 7, 3, 0, 8, 8, 8, 3, 5, 2, 5, 8, 1, 7, 0, 3, 5, 9, 8, 5, 7, 0, 0, 5, 0, 4, 3, 6, 4, 0, 9, 0, 6, 1, 6, 6, 7, 2, 2, 3, 3, 0, 0, 7, 9, 4, 1, 1, 3, 3, 3, 1, 0, 2, 8, 5, 9, 8, 4, 6, 5, 6, 2, 1, 1, 8, 7, 2, 6, 0, 8, 6, 6, 3, 1, 7, 1, 2, 7, 6, 2, 9, 9, 0, 2 ]
[ "nonn", "cons" ]
A361145
[ 1, 3, 2, 7, 2, 6, 4, 15, 2, 6, 4, 14, 4, 12, 8, 31, 2, 6, 4, 14, 4, 12, 8, 30, 4, 12, 8, 28, 8, 24, 16, 63, 2, 6, 4, 14, 4, 12, 8, 30, 4, 12, 8, 28, 8, 24, 16, 62, 4, 12, 8, 28, 8, 24, 16, 60, 8, 24, 16, 56, 16, 48, 32, 127, 2, 6, 4, 14, 4, 12, 8, 30, 4, 12, 8, 28, 8, 24, 16, 62 ]
[ "nonn", "easy", "look" ]
A212849
[ 1, 3, 8, 9, 21, 25, 26, 30, 32, 36, 38, 44, 68, 86, 105, 106, 112, 115, 125, 126, 138, 150, 155, 160, 164, 178, 180, 186, 187, 192, 195, 203, 206, 208, 216, 231, 234, 243, 266, 275, 290, 299, 302, 305, 323, 330, 338, 343, 348, 352, 365, 366, 380, 396, 404, 413 ]
[ "nonn", "easy" ]
A076973
[ 2, 2, 2, 3, 3, 3, 5, 5, 5, 5, 7, 7, 7, 7, 7, 7, 11, 11, 11, 11, 11, 11, 13, 13, 13, 13, 13, 13, 17, 17, 17, 17, 17, 17, 19, 19, 19, 19, 19, 19, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 29, 29, 29, 29, 29, 29, 29, 29, 31, 31, 31, 31, 31, 31, 31, 31, 37, 37, 37, 37, 37, 37, 37, 37 ]
[ "nonn" ]
A309017
[ 1, 2, 3, 8, 9, 17, 18, 26, 27 ]
[ "nonn", "base", "full", "fini" ]
A345650
[ 0, 8, 140, 1032, 3608, 11308, 21892, 51000, 83404, 143900, 217728, 367132, 456008, 749328, 952236, 1251056, 1649708, 2327232, 2653900, 3717444, 4158448, 5243680, 6488208, 8241988, 8780976, 11235028, 13116156 ]
[ "nonn", "more" ]
A058051
[ 0, 1, 1, 1, 1, 5, 10946, 2.2112364063039145e+48 ]
[ "easy", "nonn" ]
A055723
[ 1, 4, 23, 153, 1118, 8772, 71918, 609237, 5286238, 46697909, 418348044, 3790060378, 34652117969, 319239995375, 2960006060823, 27596305747873 ]
[ "base", "more", "nonn" ]
A192358
[ 0, 1, 1, 29, 57, 590, 1628, 11731, 39459, 236797, 899155, 4863068, 19903896, 101199149, 433857437, 2124952045, 9374498133, 44879983186, 201514230964, 951385817327, 4318344961935, 20214336758573, 92366228744351, 430111736709904 ]
[ "nonn" ]
A249012
[ 3, 5, 3, 23, 11, 13, 23, 263, 304349, 5644939, 151, 5644927, 18068879 ]
[ "nonn", "more" ]
A299491
[ 2, 4, 6, 7, 8, 9, 10, 11, 13, 14, 15, 16, 18, 19, 20, 22, 23, 25, 26, 28, 29, 31, 32, 33, 35, 36, 37, 39, 40, 41, 43, 44, 46, 47, 48, 50, 51, 52, 54, 55, 56, 58, 59, 60, 62, 63, 64, 66, 67, 68, 69, 71, 72, 73, 75, 76, 77, 78, 80, 81, 82, 84, 85, 86, 87, 89 ]
[ "nonn", "easy" ]