id
stringlengths
7
11
seq
listlengths
1
347
keywords
listlengths
1
8
A075335
[ 1, 7, 9, 12, 14, 18, 20, 24, 26, 29, 31, 35, 37, 41, 46, 47, 51, 53, 56, 59, 62, 64, 67, 70, 74, 76, 78, 81, 83, 86, 89, 93, 95, 97, 100, 103, 106, 108, 112, 115, 118, 120, 123, 125, 129, 131, 135, 138, 141, 143, 146...
[ "nonn" ]
A019418
[ 7, 11, 17, 31, 37, 59, 61, 83, 89, 103, 107, 109, 113, 127, 131, 151, 157, 179, 181, 223, 227, 229, 233, 251, 257, 271, 277, 281, 347, 349, 353, 367, 401, 419, 421, 449, 467, 521, 541, 563, 569, 587, 593, 607, 617, 631, 641,...
[ "nonn" ]
A234799
[ 11, 13, 47, 83, 193, 199, 223, 227, 263, 269, 439, 571, 887, 911, 929, 1013, 1019, 1031, 1151, 1163, 1571, 1597, 1619, 1723, 1733, 1741, 1747, 1759, 1787, 1801, 1907, 2503, 2707, 2741, 3803, 3833, 3863, 4337, 4373, 4409, 5479, 5483, ...
[ "nonn" ]
A292882
[ 1, 0, 126, 4032, 228690, 14394240, 1020623940, 78353170560, 6393827197170 ]
[ "nonn", "walk", "more" ]
A288692
[ 1, 1, 9, 109, 1457, 18231, 205837, 2112384, 20341201, 189013501, 1725377947, 15622028115, 140950202021, 1269874954518, 11433967343409, 102926130336136, 926421241593985, 8338171770377449, 75045297684511340, 675415983886759000, 6078784024809901000 ]
[ "nonn", "easy" ]
A185941
[ 251, 1493, 1889, 1901, 2393, 2399, 4373, 4391, 4451, 4673, 4679, 5237, 5351, 5381, 6311, 7079, 7103, 7793, 7817, 7823, 7883, 8111, 9203, 9209, 9467, 9473, 9833, 10181, 11393, 11783, 11789, 12113, 12641, 12647, 12653, 12923, 13103, 13451, 14...
[ "nonn" ]
A248659
[ 35, 50, 55, 56, 59, 69, 93, 100, 127, 157, 158, 185, 200, 203, 230, 233, 234, 239, 290, 299, 309, 333, 334, 336, 339, 346, 400, 403, 405, 406, 433, 436, 453, 458, 460, 463, 465, 466, 468, 517, 518, 548, 577, 578, 583, 653, 6...
[ "nonn", "base" ]
A096232
[ 1, 1, 1, 1, 1, 2, 15, 1618, 528491311, 5.148435562634572e+23, 2.851123567946151e+64 ]
[ "nonn" ]
A129688
[ 1, 0, 1, 2, 0, 1, 0, 2, 0, 1, 2, 0, 2, 0, 1, 0, 2, 0, 2, 0, 1, 2, 0, 2, 0, 2, 0, 1, 0, 2, 0, 2, 0, 2, 0, 1, 2, 0, 2, 0, 2, 0, 2, 0, 1, 0, 2, 0, 2, 0, 2, 0, 2, 0, 1 ]
[ "nonn", "tabl" ]
A282422
[ 1, 3, 1, 7, 25, 15, 49, 151, 505, 15, 881, 2327, 7545, 1807, 12657, 38167, 122745, 17295, 252145, 588567, 1969017, 502031, 3735409, 10158871, 32094585, 7118223, 61269745, 150108951, 505383801, 46246159, 1047330673, 2269053719, 7273036153, 6928375183 ...
[ "nonn", "easy" ]
A025652
[ 0, 1, 0, 2, 1, 0, 3, 2, 1, 0, 4, 3, 2, 1, 0, 5, 4, 3, 2, 1, 6, 0, 5, 4, 3, 2, 7, 1, 6, 0, 5, 4, 3, 8, 2, 7, 1, 6, 0, 5, 4, 9, 3, 8, 2, 7, 1, 6, 0, 5, 10, 4, 9, 3, 8, 2, 7, 1, 6, 0, 11, 5, 10, ...
[ "nonn", "easy", "changed" ]
A164713
[ 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 17, 21, 24, 27, 28, 30, 31, 32, 33, 36, 42, 48, 51, 54, 56, 60, 62, 63, 64, 65, 73, 85, 96, 99, 112, 119, 120, 124, 126, 127, 128, 129, 136, 170, 192, 195, 204, 219, ...
[ "base", "nonn" ]
A263144
[ 1, 1, 1, 1, 1, 1, 3, 3, 3, 3, 3, 6, 9, 9, 9, 9, 13, 19, 23, 23, 23, 28, 42, 51, 56, 56, 62, 84, 108, 120, 126, 133, 170, 219, 253, 268, 283, 335, 427, 503, 547, 574, 658, 815, 977, 1080, 1144, 1265, 1534, 1836, 2068,...
[ "nonn" ]
A377784
[ 0, 4, 0, 4, 4, 2, 2, 4, 8, 0, 8, 4, 0, 4, 6, 6, 3, 5, 4, 3, 5, 4, 6, 8, 6, 0, 4, 4, 4, 12, 4, 8, 0, 10, 2, 8, 4, 4, 7, 5, 4, 8, 4, 2, 2, 12, 12, 4, 4, 2, 6, 2, 10, 8, 4, 6, 2, 7, 5, 0, 10, 14, ...
[ "nonn" ]
A002034
[ 1, 2, 3, 4, 5, 3, 7, 4, 6, 5, 11, 4, 13, 7, 5, 6, 17, 6, 19, 5, 7, 11, 23, 4, 10, 13, 9, 7, 29, 5, 31, 8, 11, 17, 7, 6, 37, 19, 13, 5, 41, 7, 43, 11, 6, 23, 47, 6, 14, 10, 17, 13, 53, 9, 11, 7, 19, 29, ...
[ "nonn", "nice", "easy" ]
A086845
[ 0, 1, 3, 5, 9, 12, 16, 19, 27, 32, 38, 42, 50, 55, 61, 65, 81, 90, 100, 106, 118, 125, 133, 138, 154, 163, 173, 179, 191, 198, 206, 211, 243, 260, 278, 288, 308, 319, 331, 338, 362, 375, 389, 397, 413, 422, 432, 438, 470...
[ "nonn", "easy" ]
A177661
[ 1, 70, 34302, 60601152, 281381782044, 2841788674410678, 54998505166544650000 ]
[ "nonn" ]
A190317
[ 0, 0, 8, 48, 164, 448, 976, 1864, 3328, 5512, 8640, 12984, 18836, 26576, 36584, 49056, 64560, 83640, 106904, 134816, 168004, 206952, 252480, 305360, 366312, 436120, 515864, 605928, 707644, 822120, 950216, 1092784, 1251784, 1427848, 1622416, 18359...
[ "nonn" ]
A304507
[ 20, 130, 330, 620, 1000, 1470, 2030, 2680, 3420, 4250, 5170, 6180, 7280, 8470, 9750, 11120, 12580, 14130, 15770, 17500, 19320, 21230, 23230, 25320, 27500, 29770, 32130, 34580, 37120, 39750, 42470, 45280, 48180, 51170, 54250, 57420, 60680, 640...
[ "nonn", "easy" ]
A199957
[ 5, 2, 5, 4, 1, 6, 2, 7, 9, 2, 8, 2, 3, 5, 3, 6, 4, 9, 0, 7, 1, 5, 2, 2, 0, 5, 3, 3, 9, 2, 6, 8, 9, 6, 5, 6, 7, 3, 8, 8, 5, 6, 5, 3, 0, 2, 0, 7, 8, 3, 2, 8, 4, 4, 6, 3, 6, 0, 9, 8, 3, 8, 0, 6...
[ "nonn", "cons" ]
A380745
[ 0, 0, 1, 0, 2, 0, 3, 0, 4, 0, 5, 0, 6, 0, 7, 0, 8, 0, 9, 0, 10, 0, 11, 0, 12, 0, 13, 0, 14, 0, 15, 0, 16, 0, 17, 0, 18, 0, 19, 0, 20, 0, 21, 1, 1, 2, 1, 3, 1, 4, 1, 5, 1, 6, 1, 7, 1, 8, 1, 9, 1, ...
[ "nonn", "base" ]
A199931
[ -1, 2, 4, -15, -2, 79, -88, -294, 815, 488, -4769, 3438, 20080, -42527, -49666, 278943, -93220, -1308634, 2103343, 4067664, -15799793, -1126550, 82089836, -96324543, -299451394, 864290495, 454552096, -4979131422, 3870112831, 20615805880, -45400053553, -4...
[ "sign", "easy" ]
A144135
[ 1, 32, 766, 16288, 324611, 6209728, 115482108, 2103688896, 37722047493, 668043002336, 11712290384122, 203643199520096, 3516151119566855, 60351015599244160, 1030570380421823500, 17520003341519976000 ]
[ "nonn" ]
A234699
[ 16848, 74308, 329984, 1558600, 7424496, 37338544, 189345872, 1006857472, 5389971408, 30077051488, 168561386384, 979772704480, 5704468149456, 34304416485664, 206090647457552, 1274575646527072, 7855291807049808 ]
[ "nonn" ]
A145085
[ 1, 1, 1, 1, 1, 2, 1, 1, 3, 7, 1, 1, 4, 17, 39, 1, 1, 5, 31, 151, 322, 1, 1, 6, 49, 373, 1901, 3723, 1, 1, 7, 71, 741, 6250, 31851, 57577, 1, 1, 8, 97, 1291, 15457, 136711, 680265, 1147188, 1, 1, 9, 127, 2059, 32186, ...
[ "nonn", "tabl" ]
A098117
[ 29, 149, 3749, 93749, 58593749, 1464843749, 915527343749, 22888183593749, 14305114746093748, 223517417907714850000, 5.587935447692871e+21, 8.731149137020111e+25, 5.45696821063757e+28, 1.3642420526593925e+30 ]
[ "nonn" ]
A017421
[ 512, 10604499373, 2641807540224, 78815638671875, 922190162669056, 6351461955384057, 31087100296429570, 119851595982618320, 387420489000000000, 1093685272684361000, 2773078757450187000 ]
[ "nonn", "easy" ]
A188681
[ 1, 3, 45, 1008, 27225, 819819, 26509392, 901402560, 31818681873, 1156122556875, 42985853635725, 1628541825580800, 62667882587091600, 2443473892345874000, 96351855806554400000, 3.8365658460947024e+21, 1.5407101889015323e+23 ]
[ "nonn", "easy" ]
A144692
[ 1, 1, 1, 0, 17, 0, 408, 0, 69473, 0, 6018928, 0, 1363916728, 0, 219434809664, 0, 184186824259233, 0, 57411426894898070, 0, 38606038922780710000, 0, 1.61361533185868e+22, 0, 2.040194561491962e+25, 0, 1.2864310266687158e+28, 0 ]
[ "nonn" ]
A236538
[ 1, 3, 5, 8, 12, 16, 20, 28, 36, 44, 48, 64, 80, 96, 112, 112, 144, 176, 208, 240, 272, 256, 320, 384, 448, 512, 576, 640, 576, 704, 832, 960, 1088, 1216, 1344, 1472, 1280, 1536, 1792, 2048, 2304, 2560, 2816, 3072, 3328, 2816, ...
[ "nonn", "tabl", "easy" ]
A131132
[ 1, 1, 2, 3, 5, 8, 14, 22, 36, 58, 94, 152, 247, 399, 646, 1045, 1691, 2736, 4428, 7164, 11592, 18756, 30348, 49104, 79453, 128557, 208010, 336567, 544577, 881144, 1425722, 2306866, 3732588, 6039454, 9772042, 15811496, 25583539, 41395035, 66...
[ "nonn" ]
A001837
[ 157, 262, 367, 412, 472, 487, 577, 682, 787, 877, 892, 907, 997, 1072, 1207, 1237, 1312, 1402, 1522, 1567, 1627, 1657, 1732, 1852, 1942, 2047, 2062, 2152, 2194, 2257, 2362, 2437, 2467, 2557, 2572, 2677, 2722, 2782 ]
[ "nonn" ]
A370505
[ 1, 0, 1, 0, 1, 1, 0, 1, 2, 3, 0, 1, 5, 6, 12, 0, 1, 9, 20, 30, 60, 0, 1, 19, 70, 90, 180, 360, 0, 1, 34, 175, 420, 630, 1260, 2520, 0, 1, 69, 490, 1960, 2520, 5040, 10080, 20160, 0, 1, 125, 1554, 5880, 15120, 22680...
[ "nonn", "tabl" ]
A326817
[ 823, 943, 3133, 4387, 4873, 5443, 5563, 5863, 7213, 7753, 7873, 8383, 9007, 10333, 10693, 11113, 11503, 12043, 12763, 13483, 13843, 13921, 14623, 14683, 16573, 16663, 16963, 16993, 17113, 17983, 19003, 19093, 19303, 20083, 20143, 20953, 21613, ...
[ "nonn" ]
A124374
[ 2, 5, 17, 2957, 23117, 204557, 2018957, 4.578979328975538e+30, 1.2572230784049014e+109 ]
[ "nonn" ]
A347966
[ 1, 1, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 3, 4, 4, 3, 3, 4, 5, 5, 4, 3, 4, 5, 3, 4, 5, 5, 5, 4, 5, 5, 5, 6, 4, 4, 4, 5, 7, 3, 5, 5, 6, 6, 4, 5, 5, 8, 8, 6, 5, 5, 4, 7, 7, 7, 5, 5, 7, 4, 5, 7, 6...
[ "nonn" ]
A186919
[ 166272, 86388160, 15491352288, 3861027028096, 833994044863296, 193942830390429600, 43448233709038000000, 9.92162578247858e+21 ]
[ "nonn" ]
A270655
[ 0, 1, 1, 1, 2, 0, 1, 2, 0, 1, 3, 1, 2, 2, -2, 0, 1, 1, 1, 3, 1, 2, 2, -2, 0, 1, 1, 1, 4, 2, 3, 4, -2, 1, 3, 1, 2, 4, 0, 2, 0, -4, -2, -2, 2, 0, 1, 1, 1, 2, 0, 1, 2, 0, 1, 4, 2, 3, 4, -2, 1, 3, ...
[ "sign", "look" ]
A148858
[ 1, 1, 3, 8, 28, 96, 349, 1266, 4872, 18937, 74824, 300666, 1221397, 5003868, 20748125, 86640057, 363955361, 1541316904, 6561178732, 28057372888, 120671313034, 521071872996, 2258015020869, 9827393809110, 42906980263767, 187868103415443, 825367631777135, 363550039...
[ "nonn", "walk" ]
A288252
[ 1, 2, 3, 8, 21, 38, 55, 80, 144, 168, 174, 195, 314, 377, 682, 987, 2584, 6360, 6765, 12238, 13301, 17711, 34985, 46368, 54096, 66483, 87849, 121393, 219602, 317811, 684704, 832040, 1486717, 2178309, 3325460, 3940598, 5702887, 6151102, 1000...
[ "nonn" ]
A062413
[ 1, 0, 1, 2, 3, 4, 6, 7, 9, 11, 13, 15, 17, 20, 22, 24, 27, 29, 32, 35, 37, 40, 43, 46, 49, 52, 55, 58, 61, 64, 67, 71, 74, 77, 80, 84, 87, 91, 94, 98, 101, 105, 108, 112, 115, 119, 123, 126, 130, 134, 138, 141, 1...
[ "nonn", "easy" ]
A378786
[ 1, 1, 6, 39, 296, 2435, 21138, 190603, 1767968, 16761424, 161697576, 1582171216, 15664531716, 156637712953, 1579664567130, 16048129755157, 164085811289360, 1687224436103842, 17436287104620980, 181001686332329200, 1886522317836671000, 19734386503541838000 ]
[ "nonn" ]
A122043
[ 1236, 3122, 2313, 24520, 5248, 45210, 36742, 73618, 67321, 48972 ]
[ "base", "nonn" ]
A237286
[ 6, 25, 28, 496, 652, 8128, 10682, 10828, 33550336, 44655764, 8589869056, 8623554304, 137438691328 ]
[ "nonn", "more" ]
A144300
[ 0, 0, 1, 2, 5, 7, 13, 18, 27, 38, 54, 71, 99, 131, 172, 226, 295, 379, 488, 621, 788, 998, 1253, 1567, 1955, 2432, 3006, 3712, 4563, 5596, 6840, 8343, 10139, 12306, 14879, 17968, 21635, 26011, 31181, 37330, 44581, 53166, 63259, 75...
[ "easy", "nonn" ]
A255798
[ 733, 340, 256, 268, 286, 290, 472, 630, 674, 748, 814, 866, 1540, 2190, 2414, 2668, 2926, 3170, 5812, 8430, 9374, 10348, 11374, 12386, 22900, 33390, 37214, 41068, 45166, 49250, 91252, 133230, 148574, 163948, 180334, 196706, 364660, 532590 ]
[ "nonn" ]
A161754
[ 11, 23, 31, 26, 29, 49, 59, 43, 46, 75, 81, 58, 62, 99, 69, 71, 74, 77, 121, 131, 91, 94, 97, 99, 153, 106, 109, 168, 175, 122, 125, 192, 131, 134, 137, 139, 216, 149, 151, 153, 155, 239, 247, 169, 171, 173, 175, 269, 18...
[ "nonn", "changed" ]
A303810
[ 1, 1, 1, 1, 0, 2, 1, 0, 1, 3, 1, 0, 0, 1, 5, 1, 0, 0, 1, 2, 7, 1, 0, 0, 0, 1, 2, 11, 1, 0, 0, 0, 1, 1, 4, 15, 1, 0, 0, 0, 0, 1, 2, 4, 22, 1, 0, 0, 0, 0, 1, 1, 2, 7, 30, 1, 0, 0, 0, 0, 0, 1, 1,...
[ "nonn", "tabl" ]
A278168
[ 0, 1, 1, 3, 4, 5, 5, 8, 10, 13, 15, 16, 17, 19, 20, 23, 25, 28, 29, 31, 35, 39, 40, 42, 45, 47, 49, 52, 56, 59, 62, 66, 69, 73, 76, 78, 82, 87, 92, 96, 100, 103, 107, 112, 116, 120, 123, 127, 133, 137, 143, 151, ...
[ "nonn" ]
A213225
[ 1, 1, 2, 6, 20, 76, 313, 1375, 6337, 30243, 148129, 739172, 3737993, 19077868, 97955307, 504707999, 2604312205, 13436676965, 69229324721, 355854322633, 1823672937884, 9314227843463, 47406130512872, 240498260267049, 1216833204738419, 6146116088495029, 3103023340028...
[ "nonn" ]
A209755
[ 1, 1, 2, 2, 4, 3, 3, 7, 8, 5, 4, 11, 17, 17, 8, 5, 16, 31, 41, 33, 13, 6, 22, 51, 83, 91, 63, 21, 7, 29, 78, 150, 205, 195, 117, 34, 8, 37, 113, 250, 406, 483, 403, 214, 55, 9, 46, 157, 392, 734, 1039, 1091, 812,...
[ "nonn", "tabl" ]
A029348
[ 1, 0, 0, 0, 1, 0, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 3, 2, 4, 3, 4, 4, 5, 4, 6, 6, 6, 7, 8, 7, 9, 9, 10, 10, 12, 11, 14, 13, 14, 15, 17, 16, 19, 19, 20, 21, 23, 22, 26, 26, 27, 28, 31, 30, 34, 34, 36, 37, ...
[ "nonn" ]
A086756
[ 1, 4, 27, 256, 3125, 46656, 823543, 16777216, 387420489, 0, 85311670611, 916100448256, 2875106592253, 12006825558016, 893890380859375, 6744073709551616, 40261886336764180, 408075296537575400, 9655660313589123000, 0, 18385982521381124000, 7.364219557396647e+21 ]
[ "base", "nonn" ]
A282925
[ 1, 29, 464, 5365, 49880, 394632, 2750969, 17296732, 99742368, 534126988, 2681856693, 12722233068, 57373155952, 247218913828, 1022189562610, 4070289420139, 15656921120982, 58336024110584, 211023516790156, 742643172981206, 2547265600634862, 8529351700138885 ]
[ "nonn" ]
A150674
[ 1, 2, 8, 26, 108, 416, 1772, 7408, 32280, 140864, 626416, 2802480, 12671872, 57632544, 264001184, 1215240512, 5623292864, 26126758656, 121874499712, 570451075712, 2678564077440, 12613073707520, 59549260962304, 281818028251392, 1336656436592128, 6352603760399872, 3...
[ "nonn", "walk" ]
A144382
[ -1, -1, -1, -1, -1, -1, -1, -1, 0, -1, -1, -1, -1, 1, -1, -1, -1, -1, 0, 1, -1, -1, -1, -1, -1, 1, 0, -1, -1, -1, -1, -1, 0, 2, -1, -1, -1, -1, -1, -1, -1, 1, 2, -1, -1, -1, -1, -1, -1, -1, 0, 2, 1, 0, -1, ...
[ "sign", "easy", "tabl" ]
A285340
[ 1, 0, 0, 0, 4, 0, 0, 0, 6, 9, 0, 0, 4, 36, 14, 0, 1, 54, 92, 19, 0, 36, 228, 202, 24, 9, 272, 702, 358, 29, 158, 1168, 1696, 598, 70, 1027, 3810, 3605, 904, 501, 4600, 10196, 6898, 1408, 3078, 15805, 24104, 12242, 2838, ...
[ "nonn" ]
A228753
[ 13, 289, 6277, 134440, 2876170, 61534448, 1316714732, 28177227352, 602998827928, 12904414518912, 276160275058160, 5909958226524512, 126475877308730460, 2706643227463513000, 57923438257867990000, 1.2395888306898306e+21 ]
[ "nonn" ]
A238432
[ 1, 1, 2, 3, 7, 13, 22, 41, 74, 133, 233, 400, 714, 1209, 2091, 3591, 6089, 10316, 17477, 29413, 49515, 82474, 137659, 228461, 377936, 623710, 1025445, 1680418, 2746242, 4474654, 7270430, 11774128, 19020802, 30640812, 49222427, 78857338, 1260334...
[ "nonn" ]
A275776
[ 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 21, 31, 23, 33, 25, 35, 27, 37, 29, 39, 30, 51, 32, 53, 34, 55, 36, 57, 38, 59, 41, 71, 43, 73, 45, 75, 47, 77, 49, 79, 50, 91, 52, 93, 54, 9...
[ "nonn", "base" ]
A231334
[ 1, 2, 4, 3, 6, 5, 9, 12, 7, 14, 13, 8, 23, 17, 18, 22, 10, 15, 11, 28, 19, 16, 20, 29, 32, 44, 35, 39, 24, 40, 26, 37, 42, 21, 56, 64, 43, 31, 25, 34, 27, 33, 66, 67, 52, 60, 30, 57, 36, 63, 86, 82, 38, 50, 4...
[ "nonn" ]
A256054
[ -1, 4, 9, 20, 35, 60, 104, 164, 255, 396, 590, 864, 1259, 1800, 2541, 3560, 4919, 6744, 9190, 12396, 16605, 22124, 29269, 38496, 50386, 65580, 84948, 109564, 140661, 179856, 229110, 290708, 367569, 463236, 581837, 728520, 909528, 1132188 ]
[ "sign" ]
A261869
[ -3, -1, 3, -5, 11, -13, 7, 0, 10, -21, 11, -13, 27, 1, -15, -17, 17, -19, 19, 21, 1, -45, 23, 0, 26, -26, 0, -29, -1, -1, 31, 33, 1, 1, -35, -37, 75, 1, -39, -41, -1, -1, 43, 0, 46, -93, 47, 0, 0, 51, -51, -53, 5...
[ "sign" ]
A357732
[ 1, 0, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 2, 1, 2, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 2, 1, 2, 1, 1, 2, 1, 1, 1, 0, 1, 1, 1, 1, 0, 1, 0, 0, 1, 1, 1, 2, 1, 2, 1, 1, 2, 1, 1, 1, 0, 2, 1...
[ "nonn" ]
A319559
[ 1, 1, 1, 2, 4, 7, 16, 35, 82, 200, 517, 1373, 3867, 11216, 33910, 105950 ]
[ "nonn", "more" ]
A158121
[ 6, 93, 591, 2381, 7316, 18761, 42253, 86281, 163186, 290181, 490491, 794613, 1241696, 1881041, 2773721, 3994321, 5632798, 7796461, 10612071, 14228061, 18816876, 24577433, 31737701, 40557401, 51330826, 64389781, 80106643, 98897541 ]
[ "easy", "nonn" ]
A138533
[ 1, 2, 1, 6, 3, 1, 24, 12, 4, 1, 6, 120, 60, 20, 5, 1, 30, 10, 720, 360, 120, 30, 6, 1, 180, 60, 15, 20, 90 ]
[ "nonn", "tabf" ]
A367812
[ 0, 11, 2, 10, 3, 12, 4, 13, 5, 14, 6, 15, 7, 16, 8, 17, 9, 18, 20, 1, 22, 19, 21, 30, 23, 31, 24, 32, 25, 33, 26, 34, 27, 35, 28, 36, 29, 37, 40, 38, 41, 39, 42, 50, 43, 51, 44, 52, 45, 53, 46, 54, 47, 55, 48...
[ "base", "nonn" ]
A255429
[ 6, 8, 10, 14, 15, 16, 21, 22, 26, 27, 33, 34, 35, 36, 38, 39, 46, 51, 55, 57, 58, 62, 64, 65, 69, 74, 77, 81, 82, 85, 86, 87, 91, 93, 94, 95, 100, 106, 111, 115, 118, 119, 122, 123, 125, 129, 133, 134, 141, 142, 143,...
[ "nonn" ]
A003819
[ 1, 1, 2, 17, 41761, 178910008847318620, 2.453396035282205e+64 ]
[ "nonn" ]
A154727
[ 1, 2, 3, 3, 5, 3, 7, 5, 7, 3, 11, 3, 5, 11, 13, 5, 7, 11, 13, 3, 7, 13, 17, 3, 5, 17, 19, 5, 7, 11, 13, 17, 19, 3, 7, 19, 23, 5, 11, 17, 23, 7, 11, 13, 17, 19, 23, 3, 13, 19, 29, 3, 5, 11, 23, 29, 31, 5...
[ "easy", "nonn", "tabf" ]
A030839
[ 1, 2, 6, 25, 125, 753, 5274, 42195, 379755, 3797551, 41773068, 501276819, 6516598658, 91232381215, 1368485718228, 21895771491652, 372228115358092, 6700106076445664, 127302015452467620, 2546040309049352000 ]
[ "nonn" ]
A318890
[ 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 10, 15, 16, 12, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 14, 33, 34, 35, 36, 37, 38, 39, 40, 41, 18, 42, 43, 44, 45, 18, 46, 47, 48, 22, 3...
[ "nonn" ]
A040235
[ 15, 1, 5, 2, 1, 2, 2, 15, 2, 2, 1, 2, 5, 1, 30, 1, 5, 2, 1, 2, 2, 15, 2, 2, 1, 2, 5, 1, 30, 1, 5, 2, 1, 2, 2, 15, 2, 2, 1, 2, 5, 1, 30, 1, 5, 2, 1, 2, 2, 15, 2, 2, 1, 2, 5, 1, 30, 1, 5, 2, 1, 2,...
[ "nonn", "cofr", "easy" ]
A297052
[ 1, 41, 41503, 686440230793, 4.895026795310424e+28 ]
[ "nonn", "more" ]
A165803
[ 2, 3, 7, 9, 17, 37, 77 ]
[ "nonn", "fini", "full" ]
A380473
[ 126, 168, 198, 234, 264, 306, 312, 342, 408, 414, 456, 522, 552, 558, 666, 696, 738, 744, 774, 846, 888, 954, 984, 990, 1032, 1062, 1098, 1128, 1170, 1206, 1272, 1278, 1314, 1320, 1386, 1416, 1422, 1464, 1494, 1530, 1560, 1602, 1608...
[ "nonn" ]
A318706
[ 0, 0, 1, 1, 1, 0, -1, -1, -1, 0, 0, 1, 1, 1, 0, -1, -1, -1, 3, 3, 4, 4, 4, 3, 2, 2, 2, 3, 3, 4, 4, 4, 3, 2, 2, 2, 3, 3, 4, 4, 4, 3, 2, 2, 2, 0, 0, 1, 1, 1, 0, -1, -1, -1, -3, -3, -2, -2, -2, -3, -...
[ "sign", "base" ]
A012865
[ 0, -1, -1, 67, 347, 1417, 590267, 35757697, 1103996977, 23018952061163, 328785573754709, 162948371578537, 3427455470023873500, 69202423313396950000, 6142449451071241000, 1.740863533620007e+26, 3.7938502177281713e+28, 1.1044947060587239e+29, 4.3896212684401177e+33 ]
[ "sign", "frac" ]
A219994
[ 1, 0, 2, 8, 380, 21272, 5350806, 3238675344, 6652506271144, 38896105985522270, 711716770252031100000, 3.877699792311211e+25, 6.460929292946759e+30, 3.245656750963661e+36, 4.95341232552529e+42, 2.2873302288206467e+49 ]
[ "nonn" ]
A371676
[ 1, 4, 40, 524, 7824, 126228, 2143544, 37750812, 683194912, 12628104740, 237388091208, 4524456276524, 87228274533040, 1698091537435444, 33332913873239640, 659038408936005600, 13112372856351746000, 262338658739430850000, 5.274545338183091e+21 ]
[ "nonn" ]
A016769
[ 0, 243, 7776, 59049, 248832, 759375, 1889568, 4084101, 7962624, 14348907, 24300000, 39135393, 60466176, 90224199, 130691232, 184528125, 254803968, 345025251, 459165024, 601692057, 777600000 ]
[ "nonn", "easy" ]
A269005
[ 0, 4, 46, 2136, 109058, 14382480, 3258530608, 1582785864320, 1554970236400402, 3055129067325800400, 1.289123772551664e+22, 1.0677562983464424e+26, 1.932363567303597e+30, 6.8821810412730935e+34 ]
[ "nonn" ]
A243130
[ -1, 11, 564719, 46611179, 929944511, 9127651499, 58130412911, 276182038859, 1061324394239, 3472236254411, 10011386405999, 26069206375211, 62418042417599, 139296285729899, 292810020137711, 584605483663499, 1116034330278911, 2048348816684939, 3630829342034159 ]
[ "sign", "easy" ]
A311563
[ 1, 4, 8, 12, 18, 20, 28, 32, 34, 40, 42, 52, 54, 56, 64, 62, 76, 76, 78, 86, 84, 98, 100, 100, 108, 106, 122, 122, 122, 132, 126, 146, 144, 144, 154, 148, 168, 168, 166, 176, 170, 192, 190, 188, 200, 190, 216, 212, 210, ...
[ "nonn" ]
A151122
[ 1, 3, 11, 45, 194, 856, 3874, 17747, 82404, 385417, 1817913, 8615532, 41064328, 196385786, 943020495, 4539619335, 21919591900, 106043626149, 514218649348, 2497339513947, 12150816675285, 59193652656970, 288794116773499, 1410426011238932, 6896686774980053, 33752680421...
[ "nonn", "walk" ]
A313417
[ 1, 5, 10, 13, 18, 25, 32, 33, 38, 47, 50, 51, 58, 67, 70, 73, 76, 85, 92, 91, 96, 107, 110, 109, 118, 125, 130, 133, 134, 143, 152, 151, 154, 167, 168, 169, 178, 183, 188, 193, 194, 201, 212, 209, 214, 227, 226, 227, 238...
[ "nonn" ]
A229417
[ 1, 1, 2, 1, 3, 10, 1, 4, 45, 152, 1, 5, 136, 4743, 7736, 1, 6, 325, 59008, 3801411, 1375952, 1, 7, 666, 426425, 345706336, 23938685973, 877901648, 1, 8, 1225, 2164680, 11782824375, 28256240134144, 1215663478473627, 2046320373120, 1, 9, 2080...
[ "nonn", "tabl" ]
A057438
[ 1, 1, 2, 5, 27, 739, 546391, 298543324411, 8.912811655048061e+22, 7.943821159836056e+45, 6.310429461945906e+91 ]
[ "easy", "nonn" ]
A348696
[ 135, 224, 496, 936, 1485, 1488, 1755, 2295, 2464, 2565, 2912, 3105, 3808, 3915, 4185, 4256, 4464, 4680, 4995, 5152, 5456, 5535, 5805, 6345, 6448, 6496, 6552, 6860, 6944, 7155, 7965, 8235, 8288, 8432, 9045, 9184, 9424, 9585, 9632, 9855, ...
[ "nonn" ]
A358955
[ 1, 5, 55, 715, 10285, 157577, 2521339, 41635879, 704264465, 12139738505, 212475103777, 3765897874074, 67454279084444, 1219122315546851, 22204489538545068, 407150017658467700, 7509869807043464000, 139245172845883280000, 2.593887890033997e+21, 4.852183300716155e+22 ]
[ "nonn" ]
A194300
[ 2, 3, 1, 2, 3, 3, 4, 5, 3, 4, 6, 7, 6, 7, 6, 11, 11, 12, 9, 11, 10, 19, 17, 19, 19, 17, 20, 17, 32, 32, 33, 32, 32, 32, 32, 31, 58, 56, 57, 57, 57, 57, 57, 57, 56, 103, 102, 102, 103, 103, 102, 101, 103, 103, ...
[ "nonn", "tabl" ]
A140965
[ 1, 2, 6, 8, 20, 12, 42, 24, 36, 60, 132, 60, 312, 168, 120, 240, 612, 180, 912, 240, 420, 660, 1380, 360, 900, 1560, 1080, 840, 3480, 720, 3720, 1440, 1980, 3060, 1260, 1260, 8880, 4560, 3120, 1680, 14760, 2520, 15480, 3960, 252...
[ "nonn" ]
A068801
[ 11, 13, 19, 23, 29, 41, 43, 83, 89, 127, 163, 181, 227, 281, 641, 643, 827, 881, 1283, 1289, 1627, 2243, 2729, 4243, 4729, 6427, 6481, 8243, 10243, 16561, 16729, 20483, 26561, 40961, 42187, 81929, 86561, 102481, 163841, 166561, 219683, ...
[ "base", "nonn" ]
A002562
[ 1, 0, 0, 1, 2, 1, 6, 12, 46, 92, 341, 1787, 9233, 45752, 285053, 1846955, 11977939, 83263591, 621012754, 4878666808, 39333324973, 336376244042, 3029242658210, 28439272956934, 275986683743434, 2789712466510289, 29363495934315696 ]
[ "nonn", "nice" ]
A228977
[ 3, 9, 9, 27, 81, 27, 81, 729, 729, 81, 243, 6387, 19503, 6387, 243, 729, 55887, 485397, 485397, 55887, 729, 2187, 488037, 11824875, 32175213, 11824875, 488037, 2187, 6561, 4259277, 284888979, 2056956837, 2056956837, 284888979, 4259277, 6561 ]
[ "nonn", "tabl" ]
A210890
[ 10101, 10201, 10301, 10401, 10501, 10601, 10701, 10801, 10901, 101101, 20102, 20202, 20302, 20402, 20502, 20602, 20702, 20802, 20902, 201102, 30103, 30303, 30403, 30503, 30603, 30703, 30803, 30903, 301103, 1111, 11111, 11211, 11311, 11411, 11511, ...
[ "nonn", "base" ]
A140874
[ -4, -4, -8, -3, -12, -13, -1, -15, -25, -19, 2, -16, -40, -44, -26, 6, -14, -56, -84, -70, -34, 11, -8, -70, -140, -154, -104, -43, 17, 3, -78, -210, -294, -258, -147, -53, 24, 20, -75, -288, -504, -552, -405, -200, -64 ]
[ "easy", "tabl", "sign" ]
A167359
[ 1, -4, 0, 16, 14, 0, 36, -64, 0, -56, 104, 0, 150, -144, 0, 256, 266, 0, 336, 224, 0, -416, 500, 0, 196, -600, 0, 576, 806, 0, 924, -1024, 0, -1064, 504, 0, 1326, -1344, 0, -896, 1634, 0, 1800, 1664, 0, -2000, 2156, 0, 1...
[ "sign", "mult" ]
A300259
[ 1, 2, 2, 4, 8, 4, 8, 31, 31, 8, 16, 121, 179, 121, 16, 32, 472, 1080, 1080, 472, 32, 64, 1841, 6585, 10363, 6585, 1841, 64, 128, 7181, 40023, 100823, 100823, 40023, 7181, 128, 256, 28010, 243312, 974646, 1588195, 974646, 243312, 2...
[ "nonn", "tabl" ]