id
stringlengths
7
11
seq
listlengths
1
347
keywords
listlengths
1
8
A379731
[ 0, 0, 1, 1, 1, 2, 1, 1, 1, 2, 2, 3, 2, 2, 2, 3, 3, 4, 4, 4, 3, 3, 3, 2, 1, 2, 2, 2, 3, 2, 2, 2, 1, 1, 2, 2, 3, 3, 3, 4, 4, 5, 5, 4, 5, 5, 5, 5, 5, 6, 5, 5, 4, 4, 3, 3, 4, 4, 5, 4, 4, 5, 5, 5, 4, 5, 5, 4, 4, 5, 4, 4, 4, 5, 5, 5, 6, 7, 6, 5, 5, 6, 6, 5, 5, 5, 4 ]
[ "sign" ]
A208158
[ 12, 24, 28, 30, 50, 70, 110, 130, 150, 170, 190, 230, 290, 310, 330, 370, 410, 430, 442, 470, 530, 532, 550, 590, 610, 670, 710, 730, 790, 830, 890, 910, 970, 1010, 1030, 1070, 1090, 1130, 1270, 1310, 1370, 1390, 1490, 1510, 1570, 1630, 1650, 1670, 1730, 1790 ]
[ "nonn" ]
A044977
[ 28, 30, 36, 86, 88, 92, 96, 100, 102, 110, 114, 126, 136, 138, 144, 166, 172, 174, 190, 192, 198, 260, 266, 268, 278, 290, 294, 302, 304, 308, 312, 316, 318, 332, 344, 348, 380, 384, 396, 410, 412, 416, 420, 424, 426, 434, 438 ]
[ "nonn", "base" ]
A262062
[ 85, 2269, 58969, 1530985, 39746701, 1031883301, 26789219185, 695487815569, 18055893985669, 468757755811885, 12169645757123400, 315942031929396600, 8202323184407188000, 212944460762657500000, 5.528353656644688e+21, 1.4352425061199922e+23 ]
[ "nonn", "easy" ]
A363542
[ 1, 3, 5, 14, 38, 114, 360, 1166, 3872, 13094, 44961, 156244, 548636, 1943333, 6935817, 24917586, 90039163, 327029681, 1193258619, 4371901789, 16077606949, 59325057056, 219579151797, 815017718383, 3032959638204, 11313632991360, 42295634914403 ]
[ "nonn" ]
A245246
[ 0, 1, 3, 14, 74, 571, 6558, 125066, 4147388 ]
[ "nonn", "more" ]
A284838
[ 0, 40, 1088, 21888, 397312, 6883328, 116244480, 1932230656, 31778668544, 518791888896, 8424565768192, 136279337467904, 2198302774788096, 35386835907641344, 568757233463066600, 9130929873047519000, 146464646890277300000, 2.3478715741759047e+21 ]
[ "nonn", "easy" ]
A101964
[ 0, 1, 2, 4, 5, 6, 10, 20, 29, 67, 72, 168, 175, 344, 822, 1020, 1190, 2072, 2754, 10716, 14672, 16753, 17605, 81028, 120850, 167964, 200407 ]
[ "nonn", "hard", "more" ]
A210571
[ 6, 8, 10, 20, 26, 48, 42, 64, 66, 144, 178, 452, 428, 576, 514, 1072, 1442, 2864, 2534, 4608, 6402, 12448, 9350, 16648, 16522, 32768, 36866, 82496, 77186, 132352, 148170 ]
[ "nonn" ]
A161892
[ 1, 1, 7, 9, 13, 4, 5, 23, 7, 8, 37, 21, 23, 13, 59, 16, 35, 19, 83, 45, 97, 103, 28, 30, 127, 135, 36, 38, 40, 85, 179, 189, 99, 52, 217, 113, 119, 249, 261, 68, 281, 293, 76, 317, 327, 85, 355, 365, 94, 391, 407, 419, 108, 443, 455, 118, 485, 501, 517, 265, 547, 281, 144, 148 ]
[ "nonn", "frac", "less" ]
A288055
[ 3, 2, 9, 8, 9, 1, 3, 5, 3, 8, 0, 8, 8, 4, 1, 9, 0, 0, 3, 4, 0, 1, 2, 1, 7, 8, 0, 8, 2, 6, 1, 4, 6, 9, 7, 6, 9, 0, 7, 7, 8, 0, 3, 6, 9, 5, 6, 8, 3, 2, 0, 7, 0, 9, 0, 8, 8, 5, 0, 4, 5, 1, 2, 9, 0, 4, 3, 8, 7, 3, 5, 1, 8, 4, 5, 7, 3, 1, 4, 1, 7, 5, 0, 0, 9, 7, 7, 0, 1, 2, 0, 4, 8, 1, 7, 7, 6, 9, 1, 2, 5, 7 ]
[ "nonn", "cons" ]
A133649
[ 1, 4, 9, 19, 37, 75, 149, 299, 597, 1195, 2389, 4779, 9557, 19115, 38229, 76459, 152917, 305835, 611669, 1223339, 2446677, 4893355, 9786709, 19573419, 39146837, 78293675, 156587349, 313174699, 626349397, 1252698795, 2505397589, 5010795179, 10021590357, 20043180715 ]
[ "nonn" ]
A244446
[ 25, 323, 48, 34, 53, 471, 58, 78, 84, 76, 71, 122, 64, 144, 162, 118, 74, 188, 106, 258, 156, 2512, 68, 254, 94, 107, 132, 2326, 876, 536, 154, 182, 268, 468, 98, 2061, 106, 408, 264, 286, 258, 1520900, 423, 618, 276, 648, 579, 518, 204, 708, 196, 370, 164, 1088, 300, 1518, 412, 3616, 158, 1226 ]
[ "nonn" ]
A166136
[ 9, 12, 16, 21, 27, 34, 42, 51, 61, 72, 84, 97, 111, 126, 142, 159, 177, 196, 216, 237, 259, 282, 306, 331, 357, 384, 412, 441, 471, 502, 534, 567, 601, 636, 672, 709, 747, 786, 826, 867, 909, 952, 996, 1041, 1087, 1134, 1182, 1231, 1281, 1332, 1384, 1437 ]
[ "nonn", "easy" ]
A112604
[ 1, 0, 1, 2, 0, 2, 1, 0, 0, 2, 0, 0, 3, 0, 2, 2, 0, 0, 2, 0, 1, 0, 0, 2, 2, 0, 0, 2, 0, 2, 1, 0, 2, 4, 0, 0, 0, 0, 0, 2, 0, 0, 3, 0, 0, 2, 0, 2, 2, 0, 2, 0, 0, 0, 4, 0, 1, 2, 0, 2, 2, 0, 0, 0, 0, 0, 0, 0, 4, 2, 0, 0, 1, 0, 0, 4, 0, 2, 2, 0, 0, 2, 0, 2, 2, 0, 0, 2, 0, 0, 3, 0, 0, 2, 0, 2, 0, 0, 0, 2, 0, 0, 2, 0, 2 ]
[ "nonn" ]
A026323
[ 1, 0, 0, 1, 1, 1, 0, 1, 2, 3, 2, 1, 1, 3, 6, 7, 6, 3, 1, 4, 10, 16, 19, 16, 9, 1, 5, 15, 30, 45, 51, 44, 25, 1, 6, 21, 50, 90, 126, 140, 120, 69, 1, 7, 28, 77, 161, 266, 356, 386, 329, 189, 1, 8, 36, 112, 266, 504, 783, 1008, 1071, 904, 518, 1, 9, 45, 156, 414, 882, 1553, 2295, 2862, 2983, 2493 ]
[ "nonn", "tabf", "easy" ]
A088046
[ 5, 11, 17, 31, 41, 43, 53, 61, 83, 89, 103, 127, 149, 139, 167, 167, 179, 193, 223, 239, 229, 241, 263, 281, 307, 311, 313, 353, 331, 353, 421, 401, 431, 457, 449, 499, 487, 499, 557, 557, 557, 601, 593, 613, 593, 631, 661, 673, 683, 691, 743, 719, 733, 773 ]
[ "nonn" ]
A350616
[ 1, 2, 4, 8, 12, 15, 20, 22, 25, 27, 30, 32, 34, 36, 38, 40, 46, 48, 51, 53, 56, 58, 60, 63, 65, 71, 73, 76, 78, 80, 83, 85, 88, 95, 97, 100, 102, 105, 108, 114, 117, 123, 126, 128, 132, 135, 137, 140, 143, 148, 152, 156, 161, 163, 166, 172, 174, 176, 178, 180, 182, 186, 188, 192, 195, 197, 201, 204, 207, 211, 213 ]
[ "nonn" ]
A112528
[ 0, 0, 0, 1, 3, 2, 5, 2, 4, 4, 2, 5, 6, 4, 4, 6, 4, 3, 6, 5, 4, 6, 4, 8, 7, 6, 5, 6, 6, 9, 6, 7, 8, 5, 8, 6, 7, 10, 5, 9, 8, 6, 6, 7, 10, 7, 9, 9, 6, 9, 12, 11, 7, 8, 11, 8, 11, 8, 11, 12, 9, 11, 13, 9, 10, 14, 13, 13, 7, 9, 12, 12, 12, 14, 11, 11, 15, 13, 15, 12, 13, 9, 12, 12, 13, 14, 13, 14, 13 ]
[ "nonn" ]
A299014
[ 64, 353, 957, 18758, 259556, 3848010, 59666756, 931277377, 14739630633, 227368007690, 3555807950108, 55990966099803, 872001417883372, 13628063102584994, 213631343418010140, 3338835028830179000 ]
[ "nonn" ]
A268960
[ 15, 525, 6723, 58409, 426289, 2918103, 19899645, 139354433, 1014707218, 7708112426, 61057289906, 503473697674, 4313566395798, 38328567460364, 352618771825166, 3353663922642364, 32927374508631250, 333319732229912960 ]
[ "nonn" ]
A339692
[ 5, 7, 13, 19, 29, 31, 43, 53, 61, 73, 89, 103, 109, 131, 139, 151, 173, 181, 193, 199, 229, 241, 271, 283, 293, 313, 349, 421, 433, 463, 523, 571, 601, 619, 643, 661, 811, 823, 829, 859, 883, 1021, 1033, 1051, 1063, 1093, 1153, 1231, 1279, 1291, 1303, 1321, 1373, 1429, 1453, 1483, 1489, 1609 ]
[ "nonn" ]
A310169
[ 1, 3, 6, 9, 14, 20, 21, 24, 27, 30, 33, 36, 39, 48, 54, 51, 54, 57, 60, 63, 66, 69, 82, 88, 81, 84, 87, 90, 93, 96, 99, 116, 122, 111, 114, 117, 120, 123, 126, 129, 150, 156, 141, 144, 147, 150, 153, 156, 159, 184 ]
[ "nonn" ]
A042748
[ 30, 361, 21690, 260641, 15660150, 188182441, 11306606610, 135867461761, 8163354312270, 98096119209001, 5893930506852330, 70825262201436960, 4255409662593070000, 51135741213318275000, 3.07239988246169e+21 ]
[ "nonn", "cofr", "frac", "easy" ]
A152488
[ 0, 1, 2, 4, 7, 7, 9, 12, 19, 17, 18, 20, 24, 23, 27, 32, 47, 41, 40, 43, 45, 42, 47, 52, 60, 54, 54, 58, 67, 63, 71, 80, 111, 97, 92, 97, 96, 89, 95, 105, 109, 98, 96, 102, 112, 106, 117, 128, 144, 129, 122, 128, 130, 123, 130, 142, 161, 145, 143, 152, 169 ]
[ "nonn" ]
A116572
[ 1, 1, 1, 1, 2, 2, 3, 3, 4, 5, 6, 7, 8, 8, 9, 10, 11, 12, 13, 14, 14, 15, 16, 17, 19, 20, 20, 21, 21, 22, 25, 26, 27, 27, 29, 30, 31, 32, 33, 34, 35, 36, 38, 38, 39, 39, 42, 44, 45, 45, 46, 47, 48, 50, 51, 52, 53, 54, 55, 56, 56, 58, 61, 62, 62, 63, 66, 67, 69 ]
[ "nonn", "easy", "less" ]
A213280
[ 0, 0, 1, 0, 3, 4, 0, 9, 16, 18, 0, 45, 80, 90, 96, 0, 225, 400, 540, 576, 600, 0, 1575, 2800, 3780, 4032, 4200, 4320, 0, 11025, 22400, 26460, 32256, 33600, 34560, 35280, 0, 99225, 179200, 238140, 290304, 302400, 311040, 317520, 322560, 0, 893025, 1792000, 2381400, 2612736, 3024000, 3110400, 3175200, 3225600, 3265920 ]
[ "nonn", "tabl" ]
A215824
[ 1, 7, 17, 23, 25, 47, 49, 71, 73, 79, 89, 119, 137, 151, 167, 191, 193, 199, 257, 271, 353, 359, 391, 409, 431, 433, 449, 569, 601, 719, 751, 799, 809, 823, 833, 857, 881, 887, 929, 953 ]
[ "nonn" ]
A192095
[ 1, 2, 2, 2, 4, 4, 2, 2, 4, 6, 8, 6, 4, 2, 2, 4, 6, 12, 12, 8, 12, 12, 6, 4, 2, 2, 4, 6, 12, 18, 20, 18, 16, 16, 18, 20, 18, 12, 6, 4, 2, 2, 4, 6, 12, 18, 28, 34, 32, 32, 28, 28, 28, 28, 32, 32, 34, 28, 18, 12, 6, 4, 2, 2, 4, 6, 12, 18, 28, 44, 52, 54, 60, 58, 52, 54, 48, 40, 48, 54, 52, 58, 60, 54, 52, 44, 28, 18, 12, 6, 4, 2 ]
[ "tabf", "nonn" ]
A344618
[ 0, 1, 2, 0, 3, -1, 1, 1, 4, -2, 0, 2, 2, 0, 2, 0, 5, -3, -1, 3, 1, 1, 3, -1, 3, -1, 1, 1, 3, -1, 1, 1, 6, -4, -2, 4, 0, 2, 4, -2, 2, 0, 2, 0, 4, -2, 0, 2, 4, -2, 0, 2, 2, 0, 2, 0, 4, -2, 0, 2, 2, 0, 2, 0, 7, -5, -3, 5, -1, 3, 5, -3, 1, 1, 3, -1, 5, -3, -1, 3 ]
[ "sign", "tabf" ]
A325097
[ 1, 2, 3, 4, 5, 6, 7, 8, 9, 11, 12, 13, 14, 16, 17, 18, 19, 21, 23, 24, 25, 26, 27, 28, 29, 31, 32, 33, 35, 36, 37, 38, 41, 42, 43, 47, 48, 49, 52, 53, 54, 56, 57, 58, 59, 61, 63, 64, 67, 69, 71, 72, 73, 74, 76, 79, 81, 83, 84, 86, 89, 95, 96, 97, 98, 99, 101 ]
[ "nonn" ]
A220237
[ 1, 1, 2, 1, 2, 3, 4, 5, 8, 10, 16, 1, 2, 4, 1, 2, 4, 5, 8, 16, 1, 2, 3, 4, 5, 6, 8, 10, 16, 1, 2, 4, 5, 7, 8, 10, 11, 13, 16, 17, 20, 22, 26, 34, 40, 52, 1, 2, 4, 8, 1, 2, 4, 5, 7, 8, 9, 10, 11, 13, 14, 16, 17, 20, 22, 26, 28, 34, 40, 52, 1, 2, 4, 5, 8, 10, 16 ]
[ "nonn", "tabf", "look" ]
A224117
[ 0, 1, 27, 282, 2050, 12405, 67557, 344708, 1686132, 8017335, 37383775, 171917790, 782635542, 3535573769, 15875062665, 70921483080, 315457366696 ]
[ "nonn" ]
A170748
[ 1, 29, 812, 22736, 636608, 17825024, 499100672, 13974818816, 391294926848, 10956257951744, 306775222648832, 8589706234167296, 240511774556684300, 6734329687587160000, 188561231252440480000, 5.279714475068333e+21, 1.4783200530191334e+23 ]
[ "nonn", "easy" ]
A217413
[ 3.802709222163196e+26, 8.045401329535357e+26, 8.083561964506193e+29, 3.7052022437785597e+33, 2.908419230539368e+34 ]
[ "nonn", "base", "less" ]
A130360
[ 0, 1, 3, 2, 8, 7, 6, 5, 4, 22, 21, 20, 18, 17, 19, 16, 15, 12, 13, 14, 11, 9, 10, 64, 63, 62, 59, 58, 61, 57, 55, 49, 50, 54, 48, 45, 46, 60, 56, 53, 47, 44, 52, 43, 40, 31, 32, 41, 34, 35, 36, 51, 42, 39, 30, 33, 37, 28, 23, 24, 38, 29, 25, 26, 27, 196, 195, 194, 190, 189 ]
[ "nonn" ]
A055995
[ 1, 7, 64, 576, 5184, 46656, 419904, 3779136, 34012224, 306110016, 2754990144, 24794911296, 223154201664, 2008387814976, 18075490334784, 162679413013056, 1464114717117504, 13177032454057536, 118593292086517820 ]
[ "easy", "nonn" ]
A337063
[ 1, 1, 4, 2, 1, 3, 3, 4, 4, 9, 3, 3, 16, 4, 4, 25, 5, 1, 4, 24, 6, 1, 5, 10, 2, 2, 9, 6, 4, 14, 7, 1, 6, 18, 3, 5, 15, 3, 6, 24, 8, 2, 4, 32, 8, 2, 10, 10, 9, 9, 16, 8, 6, 15, 10, 8, 16, 12, 3, 7, 14, 4, 18, 18, 9, 15, 15, 16, 16, 25, 10, 10, 36, 6, 6, 49, 7, 3 ]
[ "nonn" ]
A018657
[ 1, 2, 13, 26, 31, 62, 403, 806 ]
[ "nonn", "fini", "full", "easy" ]
A016170
[ 1, 14, 148, 1400, 12496, 107744, 908608, 7548800, 62070016, 506637824, 4113568768, 33271347200, 268347559936, 2159841173504, 17357093552128, 139326933401600, 1117436577120256, 8956419276406784, 71752914167922690 ]
[ "nonn", "easy" ]
A068708
[ 1, 4, 9, 324, 576, 1089, 4356, 5476, 9801, 23104, 32041, 104329, 123904, 310249, 1034289, 1432809, 2039184, 2893401, 3814209, 6517809, 8590761, 9108324, 10673289, 13527684, 13675204, 13860729, 16378209, 16785409, 17430625 ]
[ "base", "nonn" ]
A174283
[ 1, 2, 4, 9, 23, 57, 151, 415, 1157, 3191, 8687, 23199, 61677, 163257, 432541, 1146671, 3039829 ]
[ "nonn", "hard", "nice", "more" ]
A288737
[ 1, 4, 5, 6, 7, 10, 13, 16, 17, 18, 19, 22, 23, 24, 25, 28, 31, 34, 37, 40, 41, 42, 43, 46, 47, 48, 49, 52, 55, 58, 59, 60, 61, 64, 65, 66, 67, 70, 73, 76, 79, 82, 85, 88, 89, 90, 91, 94, 95, 96, 97, 100, 103, 106, 107, 108, 109, 112, 113, 114, 115, 118, 121 ]
[ "nonn", "easy" ]
A122871
[ 1, 2, 7, 26, 106, 452, 1999, 9074, 42046, 198044, 945430, 4564100, 22243060, 109285256, 540738943, 2692103714, 13475973238, 67784600108, 342439638418, 1736727343436, 8839203054604, 45132514680248, 231121351433158 ]
[ "easy", "nonn" ]
A332452
[ 0, 5, 2, 11, 6, 7, 3, 12, 7, 14, 7, 13, 12, 8, 8, 67, 14, 23, 6, 7, 5, 15, 8, 14, 67, 7, 7, 14, 13, 16, 5, 68, 9, 71, 9, 59, 15, 14, 14, 13, 7, 10, 12, 8, 24, 16, 9, 69, 22, 13, 16, 18, 71, 15, 16, 15, 8, 13, 14, 9, 68, 10, 10, 31, 8, 17, 11, 69, 10, 17, 16, 76, 16, 23, 69, 12, 10, 9, 8, 14, 61, 69, 8, 16, 72, 20, 15, 14, 13, 16, 15, 9, 7, 17 ]
[ "nonn" ]
A141817
[ 64, 81, 121, 324, 361, 441, 484, 529, 625, 676, 729, 784, 841, 961, 1521, 1681, 2116, 2401, 2601, 2916, 3025, 3136, 3249, 3364, 3481, 3721, 4225, 4356, 4624, 4761, 5041, 5184, 5329, 5476, 5625, 5929, 6084, 6241, 6400, 6561, 6724, 7056, 7225, 7396, 7569 ]
[ "easy", "nonn", "base" ]
A107444
[ 1, 28, 2925, 635376, 234531275, 131513824548, 104200375748469, 110859231254749120, 152494520486567150000, 2.634095604619702e+23, 5.5822523041281615e+26, 1.4241749316703792e+30, 4.3058843311500276e+33, 1.5224493238177464e+37 ]
[ "nonn", "easy" ]
A235979
[ 77701, 5579529, 354374671, 26513929449, 1940827721603, 147068094657177, 11092727310560752, 842544105184509600, 63929876195543605000, 4.85762373855148e+21, 3.6901680373140875e+23 ]
[ "nonn" ]
A371966
[ 1, 2, 4, 8, 61, 221, 442, 884, 8671, 24371, 60721, 244121, 881371, 2898371, 8692591, 48826601, 97653202, 484336211, 968672422, 6847550561, 24334620331, 68473110671, 247696944631, 884738088671, 2892570042961, 8872433043671, 44817108207511, 89634216415022, 486415512459511 ]
[ "nonn", "base" ]
A345625
[ 1431398, 1431640, 1531397, 1952415, 1969221, 2247917, 2530399, 2596936, 2652563, 2652860, 2736790, 2851254, 2965588, 3088909, 3148674, 3273590, 3297416, 3329120, 3329362, 3332244, 3336895, 3345442, 3345653, 3353186, 3361614, 3362217, 3364738, 3378178, 3553641 ]
[ "nonn" ]
A058241
[ 1, 1, 1, 2, 1, 5, 0, 6, 4, 6, 0, 18, 0, 20, 0, 0, 6, 51, 0, 42, 0, 0, 0 ]
[ "nonn", "more" ]
A014742
[ 1, 2, 7, 17, 46, 119, 313, 818, 2143, 5609, 14686, 38447, 100657, 263522, 689911, 1806209, 4728718, 12379943, 32411113, 84853394, 222149071, 581593817, 1522632382, 3986303327, 10436277601, 27322529474, 71531310823, 187271402993, 490282898158, 1283577291479 ]
[ "nonn", "easy" ]
A382935
[ 0, 2, 1, 4, 3, 6, 5, 8, 7, 10, 20, 21, 22, 12, 14, 16, 18, 24, 26, 28, 30, 40, 41, 42, 43, 44, 31, 46, 32, 48, 34, 36, 38, 50, 60, 61, 62, 63, 64, 65, 66, 51, 68, 52, 80, 81, 82, 83, 84, 85, 86, 53, 87, 54, 88, 56, 58, 70, 200, 202, 100, 204, 102, 104, 106, 108, 71, 206, 120, 208 ]
[ "nonn", "base", "look" ]
A261641
[ 1, 0, 1, 1, 2, 1, 2, 1, 2, 3, 2, 3, 3, 2, 1, 3, 3, 3, 3, 4, 3, 4, 4, 6, 4, 2, 2, 4, 3, 5, 4, 5, 4, 4, 5, 8, 5, 2, 3, 5, 3, 6, 4, 7, 4, 2, 5, 11, 6, 1, 4, 7, 3, 7, 4, 7, 5, 4, 6, 11, 4, 2, 3, 8, 5, 8, 3, 9, 5, 2, 5, 13, 6, 2, 2, 7, 3, 9, 4, 9 ]
[ "nonn" ]
A013768
[ 21, 194481, 1801088541, 16679880978201, 154472377739119460, 1.4305686902419853e+21, 1.3248496640331026e+25, 1.2269432738610563e+29, 1.1362721659227242e+33, 1.052301652861035e+37 ]
[ "nonn", "easy" ]
A081976
[ 1, 2, 4, 36, 1288, 3732552, 13845944773136, 4.313395995530223e+26, 1.8490536955172492e+53 ]
[ "nonn", "changed" ]
A092984
[ 1, 1, 1, 2, 2, 1, 2, 1, 1, 1, 1, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 ]
[ "nonn" ]
A362714
[ 1, 1, 47, 7395, 2453425, 1399055625, 1221037941375, 1513229875486875, 2526879997358510600, 5.469272714829657e+21, 1.4892997153152592e+25, 4.982656840483572e+28, 2.009134718343379e+32, 9.609459748090032e+35, 5.378917217051713e+39 ]
[ "nonn" ]
A061891
[ 1, 1, 4, 7, 7, 10, 13, 13, 16, 19, 19, 22, 25, 25, 28, 31, 31, 34, 37, 37, 40, 43, 43, 46, 49, 49, 52, 55, 55, 58, 61, 61, 64, 67, 67, 70, 73, 73, 76, 79, 79, 82, 85, 85, 88, 91, 91, 94, 97, 97, 100, 103, 103, 106, 109, 109, 112, 115, 115, 118, 121, 121, 124 ]
[ "nonn", "easy" ]
A267212
[ 1, 2, 7, 9, 16, 23, 33, 38, 51, 63, 76, 87, 105, 120, 139, 155, 176, 197, 221, 240, 267, 293, 320, 345, 377, 406, 439, 469, 504, 539, 577, 610, 651, 691, 732, 771, 817, 860, 907, 951, 1000, 1049, 1101, 1148, 1203, 1257, 1312, 1365, 1425, 1482, 1543, 1601 ]
[ "nonn", "easy" ]
A017428
[ 81, 38416, 390625, 1679616, 4879681, 11316496, 22667121, 40960000, 68574961, 108243216, 163047361, 236421376, 332150625, 454371856, 607573201, 796594176, 1026625681, 1303210000, 1632240801, 2019963136 ]
[ "nonn", "easy" ]
A216452
[ 1, 1, 2, 2, 2, 2, 2, 2, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 8, 8, 8, 8, 8, 8, 10, 8, 8, 8, 10, 8, 10, 8, 8, 8, 10, 10, 10, 12, 12, 12, 12, 10, 12 ]
[ "nonn" ]
A213061
[ 1, 0, 1, 0, 1, 1, 0, 1, 1, 1, 0, 1, 1, 0, 1, 0, 1, 1, 1, 0, 1, 0, 1, 1, 0, 1, 1, 1, 0, 1, 1, 1, 0, 0, 1, 1, 0, 1, 1, 0, 1, 0, 0, 0, 1, 0, 1, 1, 1, 0, 1, 0, 0, 0, 1, 0, 1, 1, 0, 1, 1, 1, 0, 0, 1, 1, 0, 1, 1, 1, 0, 0, 1, 1, 0, 1, 1, 1, 0, 1, 1, 0, 1, 0, 0, 0, 1, 1, 1, 0, 1, 0, 1, 1, 1, 0, 1, 0, 0, 0, 0, 1, 1, 0, 1, 0, 1, 1, 0, 1, 1, 1, 0, 0, 0, 0, 0, 1, 1, 1 ]
[ "nonn", "tabl" ]
A218831
[ 0, 0, 0, 2, 0, 4, 2, 3, 0, 2, 3, 2, 2, 0, 6, 2, 2, 3, 2, 6, 3, 2, 4, 2, 2, 7, 2, 2, 4, 3, 2, 2, 4, 2, 4, 4, 2, 2, 3, 2, 3, 2, 2, 3, 2, 2, 2, 3, 2, 4, 3, 2, 3, 4, 2, 3, 2, 2, 2, 2, 2, 2, 4, 2, 5, 2, 2, 3, 3, 2, 2, 2, 2, 4, 4, 2, 2, 3, 2, 2, 3, 2, 4, 2, 2, 3, 2 ]
[ "nonn" ]
A137250
[ 2, 0, 0, 6, 6, 6, 6, 4, 5, 2, 8, 3, 1, 0, 6, 8, 7, 5, 6, 4, 3, 2, 2, 9, 6, 9, 9, 9, 4, 7, 1, 3, 5, 8, 2, 0, 8, 4, 8, 8, 6, 8, 3, 5, 4, 1, 4, 7, 5, 0, 4, 5, 7, 8, 0, 5, 9, 0, 5, 4, 9, 8, 2, 7, 8, 2, 7, 4, 7, 8, 2, 1, 9, 2, 1, 6, 4, 7, 0, 5, 5, 0, 3, 1, 8, 4, 3, 8, 1, 7, 5, 9, 2, 0, 1, 5, 6, 1, 0, 1, 3, 0, 7, 9, 6 ]
[ "nonn", "cons" ]
A374779
[ 10886400, 13305600, 14515200, 18144000, 19958400, 21772800, 23587200, 23950080, 24192000, 25401600, 26611200, 27216000, 29030400, 29937600, 30481920, 31449600, 31933440, 32659200, 33264000, 33868800, 35380800, 35925120, 36288000, 37739520, 38102400, 39312000, 39916800 ]
[ "nonn" ]
A311143
[ 1, 4, 8, 12, 16, 20, 24, 28, 32, 38, 44, 50, 54, 58, 62, 62, 66, 68, 74, 80, 86, 92, 98, 102, 108, 106, 112, 110, 116, 122, 128, 134, 140, 142, 152, 150, 158, 154, 162, 166, 170, 176, 182, 182, 194, 190, 202, 198, 208, 212 ]
[ "nonn" ]
A365446
[ 12, 40, 79, 139, 211, 302, 398, 522, 642, 810, 954, 1149, 1317, 1541, 1775, 2027, 2243, 2523, 2763, 3123, 3435, 3771, 4059, 4462, 4834, 5226, 5589, 6069, 6429, 6975, 7359, 7867, 8335, 8839, 9415, 10015, 10471, 11031, 11577, 12321, 12825, 13553, 14081, 14801, 15521, 16193, 16769, 17588, 18272, 19140, 19842 ]
[ "nonn", "easy" ]
A075697
[ 7, 3, 4, 3, 7, 10, 3, 9, 11, 9, 9, 1, 5, 7, 8, 9, 6, 6, 7, 8, 6, 7, 8, 9, 9, 10, 9, 10, 11, 2, 9, 7, 5, 14, 15, 16, 17, 17, 18, 18, 19, 6, 8, 13, 7, 9, 7, 9, 11, 17, 19, 4, 7, 9, 7, 8, 9, 16, 5, 6, 7, 9, 8, 9, 15, 8, 9, 19, 7, 8, 9, 8, 9, 17, 11, 17, 9, 10, 12, 15, 17, 18, 19, 13, 1, 2, 3, 7, 9 ]
[ "easy", "nonn", "base" ]
A025292
[ 71825, 93925, 122525, 143650, 156325, 173225, 187850, 209525, 223925, 244205, 245050, 257725, 267325, 273325, 287300, 296225, 308425, 312650, 346450, 357425, 375700, 376025, 382925, 409825, 419050, 426725, 440725, 444925, 447850, 460525 ]
[ "nonn" ]
A069188
[ 1, 2, 3, 4, 5, 6, 7, 16, 27, 30, 11, 72, 13, 84, 180, 288, 17, 648, 19, 1080, 1134, 594, 23, 5832, 6075, 1404, 19683, 13608, 29, 43740, 31, 93312, 32076, 8262, 153090, 472392, 37, 18468, 170586, 1574640, 41, 2480058, 43, 1732104, 10628820, 100602, 47 ]
[ "easy", "nonn" ]
A226647
[ 1, 9, 25, 37, 63, 71876888199 ]
[ "nonn", "more" ]
A117241
[ 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 19, 20, 30, 38, 40, 50, 57, 60, 70, 76, 80, 90, 95, 100, 104, 120, 190, 200, 207, 208, 231, 240, 252, 300, 310, 360, 380, 400, 403, 414, 430, 432, 462, 465, 480, 500, 506, 528, 570, 600, 620, 625, 629, 693, 700, 702, 714, 754, 760, 800, 805, 806 ]
[ "base", "nonn" ]
A115343
[ 223092870, 281291010, 300690390, 340510170, 358888530, 363993630, 380570190, 397687290, 406816410, 417086670, 434444010, 455885430, 458948490, 481410930, 485555070, 497668710, 504894390, 512942430, 514083570, 531990690, 538047510, 547777230, 551861310 ]
[ "nonn", "easy" ]
A320859
[ 32, 32768, 33554432, 34359738368, 35184372088832, 36028797018963970, 36893488147419103000, 3.777893186295716e+22, 3.022314549036573e+23, 3.8685626227668134e+25, 3.094850098213451e+26, 3.961408125713217e+28, 3.1691265005705735e+29 ]
[ "base", "nonn" ]
A291211
[ 2, 5, 6, 15, 16, 46, 135, 136, 385, 1072, 21976, 59813, 59814, 162682, 162683, 442329, 1202506, 3268905, 24154808, 65659807, 485164995, 1318815513, 1318815514, 26489121842, 72004899025, 195729609091, 532048240237, 1446257063899 ]
[ "nonn" ]
A068504
[ 1, 4, 2, 8, 4, 2, 2, 4, 8, 2, 32, 2, 2, 4, 16, 2, 4, 2, 4, 8, 2, 16, 4, 2, 2, 2, 8, 4, 2, 2, 128, 4, 2, 4, 2, 8, 2, 4, 8, 2, 4, 2, 64, 2, 2, 8, 4, 32, 4, 2, 2, 16, 2, 4, 2, 8, 2, 16, 2, 2, 4, 2, 4, 8, 2, 2, 4, 2, 4, 2, 2, 8, 16, 2, 4, 128, 2, 2, 2, 2, 4, 2, 16, 2, 8, 4, 2, 2, 2, 16, 4, 32, 8, 4, 4, 8, 2 ]
[ "easy", "nonn" ]
A065003
[ 1, 2, 3, 4, 5, 7, 8, 10, 11, 13, 14, 16, 17, 19, 22, 23, 25, 28, 31, 34, 37, 43 ]
[ "easy", "fini", "full", "nonn" ]
A028161
[ 1, 34, 737, 12998, 203493, 2949042, 40498969, 534679966, 6850824365, 85749662570, 1053427606881, 12745999413654, 152297310673717, 1800758893450018, 21104410600012070, 245479747499528450 ]
[ "nonn", "easy" ]
A033635
[ 4, 64, 48400, 37822470400, 6935904849126400, 11883371958374400, 62796991981158400, 8.776249361317104e+25, 8.748125944954834e+44 ]
[ "nonn" ]
A261973
[ 137, 6341, 291593, 13406981, 616429577, 28342353605, 1303131836297, 59915722116101, 2754820085504393, 126661808211086020, 5823688357624453000, 267763002642513720000, 1.2311274433198007e+22, 5.6605086092446584e+23, 2.602602832809223e+25 ]
[ "nonn", "easy" ]
A061854
[ 1, 2, 3, 5, 6, 7, 10, 11, 12, 13, 14, 15, 21, 22, 23, 25, 26, 27, 28, 29, 30, 31, 42, 43, 44, 45, 46, 47, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 85, 86, 87, 89, 90, 91, 92, 93, 94, 95, 101, 102, 103, 105, 106, 107, 108, 109, 110, 111, 113, 114, 115, 116 ]
[ "nonn", "base", "easy" ]
A263068
[ 1, 545835, 14623910308237, 874531783382503700000, 7.489628376338339e+28, 7.868854300758956e+36, 9.434577629408326e+44, 1.2406983591182471e+53 ]
[ "nonn" ]
A371094
[ 1, 21, 7, 21, 13, 341, 19, 45, 25, 117, 31, 69, 37, 341, 43, 93, 49, 213, 55, 117, 61, 5461, 67, 141, 73, 309, 79, 165, 85, 725, 91, 189, 97, 405, 103, 213, 109, 1877, 115, 237, 121, 501, 127, 261, 133, 1109, 139, 285, 145, 597, 151, 309, 157, 5461, 163, 333, 169, 693, 175, 357, 181, 1493, 187, 381, 193, 789, 199 ]
[ "nonn", "easy" ]
A167770
[ 1, 4, 4, 5, 4, 16, 4, 16, 7, 4, 36, 16, 4, 16, 36, 36, 4, 36, 16, 4, 36, 16, 36, 64, 16, 4, 16, 4, 16, 69, 16, 36, 4, 100, 4, 36, 36, 16, 36, 36, 4, 100, 4, 16, 4, 144, 144, 16, 4, 16, 36, 4, 100, 36, 36, 36, 4, 36, 16, 4, 100, 196, 16, 4, 16, 196, 36, 100, 4, 16, 36, 64, 36, 36, 16 ]
[ "nonn" ]
A105887
[ 2, 11, 13, 29, 37, 41, 43, 59, 71, 73, 89, 97, 101, 103, 127, 131, 149, 157, 163, 179, 191, 193, 239, 251, 269, 281, 307, 313, 337, 359, 373, 389, 401, 419, 431, 433, 449, 457, 461, 479, 487, 491, 509, 521, 523, 547, 569, 577, 599, 607, 613, 641, 701, 719, 727, 733, 757 ]
[ "nonn" ]
A379505
[ 1, 1, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 5, 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, 1, 0, 0, 0, 0, 0, 0, 0, 21, 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, 2, 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, 1 ]
[ "nonn" ]
A321071
[ 8, 2, 4, 9, 0, 8, 0, 6, 7, 2, 8, 0, 2, 1, 5, 1, 9, 5, 5, 6, 6, 7, 2, 2, 7, 3, 6, 5, 1, 6, 9, 1, 0, 5, 6, 6, 1, 7, 8, 9, 5, 6, 7, 4, 8, 9, 1, 1, 5, 3, 9, 1, 1, 5, 1, 4, 6, 7, 5, 8, 8, 3, 0, 6, 9, 7, 5, 8, 7, 1, 8, 4, 7, 3, 1, 5, 6, 5, 1, 7, 7, 9, 2, 7, 6, 0, 9, 0, 8, 0 ]
[ "nonn", "cons" ]
A385273
[ 1, 1, 2, 6, 24, 114, 647, 3883, 24605, 159837, 1060450, 7137627, 48624639, 334475495, 2319909330, 16205238283 ]
[ "nonn", "hard", "more" ]
A051927
[ 3, 1, 7, 13, 35, 81, 199, 477, 1155, 2785, 6727, 16237, 39203, 94641, 228487, 551613, 1331715, 3215041, 7761799, 18738637, 45239075, 109216785, 263672647, 636562077, 1536796803, 3710155681, 8957108167, 21624372013, 52205852195 ]
[ "easy", "nonn" ]
A082552
[ 1, 1, 2, 5, 6, 12, 21, 31, 58, 111, 184, 356, 665, 1223, 2260, 4227, 7930, 15095, 28334, 53822, 102317, 195012, 373001, 714405, 1370698, 2633383, 5067643, 9765457, 18846711, 36413982, 70431270, 136391723, 264384100, 512959093, 996173830 ]
[ "nonn" ]
A325238
[ 1, 2, 4, 6, 8, 12, 16, 24, 30, 32, 36, 48, 60, 64, 96, 120, 128, 192, 210, 216, 240, 256, 360, 384, 420, 480, 512, 720, 768, 840, 900, 960, 1024, 1260, 1296, 1440, 1536, 1680, 1920, 2048, 2310, 2520, 2880, 3072, 3360, 3840, 4096, 4620, 5040, 5760, 6144, 6720 ]
[ "nonn" ]
A227301
[ 0, 0, 121, 578937, 58407351059, 134528360800075420, 7.015812452559988e+24, 8.235314565328229e+33, 2.1674079723612076e+44, 1.275575534238461e+56 ]
[ "nonn", "hard" ]
A075846
[ 10, 21, 35, 82, 221, 296, 961, 2665, 12629, 13117, 30317, 54485, 99145, 125750, 132728, 142198, 156379, 185461, 225898, 241057, 265227, 265643, 280918, 281396, 284531, 326698, 379331, 393335, 400685, 437241, 437999, 548101, 584502, 641561 ]
[ "nonn" ]
A106031
[ 1, 1, 1, 1, 1, 2, 1, 2, 2, 2, 2, 2, 3, 2, 1, 3, 2, 2, 3, 3, 2, 1, 3, 4, 3, 2, 4, 4, 2, 2, 5, 3, 4, 2, 5, 2, 4, 6, 4, 2, 3, 3, 4, 3, 2, 6, 2, 4, 4, 3, 6, 1, 5, 6, 4, 3, 5, 3, 2, 7 ]
[ "nonn" ]
A356008
[ 1, 6, 105, 12, 315, 18, 945, 24, 525, 6006, 2835, 420, 8505, 42042, 735, 48, 25515, 1050, 76545, 12012, 440895, 294294, 229635, 840, 1575, 2060058, 2625, 84084, 688905, 54, 2066715, 96, 5731635, 14420406, 2205, 36, 6200145, 100942842, 74511255, 24024, 18600435 ]
[ "nonn" ]
A135345
[ 1, 4, 13, 51, 204, 819, 3277, 13108, 52429, 209715, 838860, 3355443, 13421773, 53687092, 214748365, 858993459, 3435973836, 13743895347, 54975581389, 219902325556, 879609302221, 3518437208883, 14073748835532, 56294995342131, 225179981368525, 900719925474100, 3602879701896397, 14411518807585588 ]
[ "nonn", "easy" ]
A245729
[ 10, 14, 20, 22, 26, 28, 33, 34, 38, 39, 40, 44, 46, 51, 52, 56, 57, 58, 62, 66, 68, 69, 74, 76, 78, 80, 82, 86, 87, 88, 92, 93, 94, 99, 102, 104, 106, 111, 112, 114, 116, 117, 118, 122, 123, 124, 129, 132, 134, 136, 138, 141, 142, 145, 146, 148, 152, 153, 155, 156, 158, 159, 160, 164, 166, 171, 172, 174, 176, 177 ]
[ "nonn" ]
A369642
[ 9, 16, 28, 30, 45, 108, 112, 136, 189, 198, 210, 212, 225, 236, 244, 246, 282, 290, 361, 374, 399, 435, 507, 1480, 1940, 2132, 2212, 2308, 2356, 2524, 2655, 2766, 2802, 3018, 3054, 3501, 3590, 3771, 3938, 4225, 4454, 4755, 4809, 5005, 5763, 6123, 6771, 9024, 9936, 10295, 11881, 12221, 16296, 22491, 24389, 26865 ]
[ "nonn" ]
A140118
[ 3, 7, 9, 19, 3, 49, -39, 151, -189, 381, -371, 219, 991, -4059, 11473, -26193, 53791, -100639, 175107, -281581, 410979, -506757, 391647, 401587, -2962157, 9621235, -24977199, 57408111, -120867183, 236098467, -428880285, 719991383, -1096219131, 1442605443, -1401210665, 99178397, 4340546667 ]
[ "sign" ]