id
stringlengths
7
11
seq
listlengths
1
347
keywords
listlengths
1
8
A364118
[ 10, 412, 15076, 643900, 30440010, 1541377330, 81983235064, 4524150828092, 256902133600630, 14924997512212912, 883403610976880800, 53105747607145636000, 3.234568078911043e+21, 1.9923412894855626e+23, 1.2391648147019446e+25, 7.772864176889531e+26 ]
[ "nonn", "easy" ]
A340680
[ 1, 2, 3, 2, 1, 2, 4, 2, 1, 2, 5, 2, 6, 2, 7, 2, 1, 2, 3, 2, 1, 2, 4, 2, 1, 2, 8, 2, 1, 2, 9, 2, 10, 2, 3, 2, 10, 2, 11, 2, 1, 2, 3, 2, 1, 2, 12, 2, 1, 2, 3, 2, 10, 2, 11, 2, 1, 2, 5, 2, 1, 2, ...
[ "nonn" ]
A095574
[ 1.1111111111111112e+90, 1011011, 10101, 1123, 331, 231, 160, 133, 111, 91, 83, 77, 70, 67, 61 ]
[ "nonn" ]
A167244
[ 23, 1038, 25663, 508866, 9030533 ]
[ "nonn" ]
A058334
[ 0, 1, 2, 3, 7, 18, 22, 27, 31, 78, 94, 115, 171, 402, 438, 507, 1363, 1467, 2263, 2283, 3627, 9247, 9955 ]
[ "nonn", "more" ]
A258035
[ 2, 37, 3, 7, 13, 277, 2617, 43, 2924263, 300999679, 631112173, 1368737917, 4428230508349 ]
[ "hard", "more", "nonn" ]
A043667
[ 540582, 540584, 540585, 540586, 540587, 540588, 540589, 540590, 540591, 540592, 540593, 540594, 540595, 540596, 540597, 540599, 540600, 540601, 540602, 540603, 540604, 540605, 540606, 540607, 540608, 540609, 540610 ]
[ "nonn", "base" ]
A208800
[ 1, 3, 5, 24, 99, 518, 2782, 15485, 88835, 524548, 3150568, 19343270, 119596665, 746620321, 4690323708, 29666561267, 188933152165, 1210058865663, 7790312435430, 50365101710864, 326846325778607, 2128466374313259, 13905579793860582, 91122902226298460, 598778033049098900 ...
[ "nonn" ]
A361405
[ 1, 2, 28, 1408, 580656, 2658827456, 146702084635392, 98485306566812370000, 8.204431961112612e+26, 8.680425321645016e+34, 1.1921263134563424e+44, 2.1660233167439807e+54 ]
[ "nonn" ]
A205273
[ 223, 1606, 1606, 11553, 21537, 11553, 82991, 288483, 288483, 82991, 596414, 3849194, 7191926, 3849194, 596414, 4285989, 51416847, 178174596, 178174596, 51416847, 4285989, 30799890, 686818023, 4422079769, 8174802163, 4422079769 ]
[ "nonn", "tabl" ]
A319363
[ 1, 1, 4, 21, 296, 5677, 291348, 22679763, 3946629792, 1281287791090, 840017139222515, 1068253745514088700, 2.7453221151655707e+21, 1.4006438682727579e+25, 1.4188438026468646e+29, 2.897075017978847e+33, 1.1877031278191823e+38 ]
[ "nonn" ]
A356759
[ 0, 1, 2, 3, 4, 5, 6, 7, 9, 8, 10, 11, 12, 15, 17, 13, 16, 14, 18, 19, 20, 25, 22, 28, 30, 21, 26, 29, 23, 27, 24, 31, 32, 33, 41, 46, 36, 43, 38, 49, 51, 34, 42, 37, 47, 50, 35, 44, 48, 39, 45, 40, 52, 53, 54...
[ "nonn", "base", "look" ]
A386283
[ 1, 3, 33, 387, 5217, 75363, 1145025, 18027171, 291553089, 4814978115, 80862490593, 1376749243203, 23709679446177, 412283597339043, 7228792824446337, 127659924015821660, 2268674620742621400, 40541263516771300000, 728051275528442600000, 1.313229898802495e+22, 2.3781650796866307...
[ "nonn", "changed" ]
A317069
[ 3, 383, 8529, 241716, 6661787, 183761107, 5070445036, 139901594785, 3860087234371, 106505610289521, 2938649201928749, 81081729176259300, 2237166263329333200, 61726765526429600000, 1.7031338459954715e+21 ]
[ "nonn" ]
A325228
[ 0, 0, 0, 0, 1, 3, 6, 9, 13, 16, 20, 24, 28, 32, 38, 42, 48, 54, 60, 66, 74, 80, 88, 96, 104, 112, 122, 130, 140, 150, 160, 170, 182, 192, 204, 216, 228, 240, 254, 266, 280, 294, 308, 322, 338, 352, 368, 384, 400, 416, ...
[ "nonn" ]
A189706
[ 0, 1, 1, 0, 0, 1, 0, 0, 1, 0, 1, 1, 0, 1, 1, 0, 0, 1, 0, 1, 1, 0, 1, 1, 0, 0, 1, 0, 1, 1, 0, 0, 1, 0, 0, 1, 0, 1, 1, 0, 0, 1, 0, 0, 1, 0, 1, 1, 0, 1, 1, 0, 0, 1, 0, 1, 1, 0, 0, 1, 0, 0, 1, 0...
[ "nonn" ]
A194202
[ 0, 1, 1, 2, 2, 3, 3, 3, 4, 5, 5, 6, 6, 6, 7, 8, 8, 9, 9, 10, 10, 11, 11, 11, 12, 13, 14, 14, 14, 15, 15, 16, 16, 17, 18, 18, 18, 19, 19, 19, 20, 21, 21, 22, 22, 22, 23, 24, 24, 25, 25, 26, 26, 27, 27, 27, ...
[ "nonn" ]
A130418
[ 1, 1, 3, 1, 5, 7, 1, 5, 7, 11, 1, 7, 11, 13, 17, 1, 7, 11, 13, 17, 19, 1, 11, 13, 17, 19, 23, 29, 1, 11, 13, 17, 19, 23, 29, 31, 1, 11, 13, 17, 19, 23, 29, 31, 37, 1, 11, 13, 17, 19, 23, 29, 31, 37, 41, 1, ...
[ "nonn", "tabl" ]
A042819
[ 1, 1, 2, 3, 44, 47, 91, 138, 8371, 8509, 16880, 25389, 372326, 397715, 770041, 1167756, 70835401, 72003157, 142838558, 214841715, 3150622568, 3365464283, 6516086851, 9881551134, 599409154891, 609290706025, 1208699860916, 1817990566941, 26660567798090 ]
[ "nonn", "frac", "easy" ]
A357371
[ 1, 2, 4, 6, 8, 12, 14, 17, 18, 20, 23, 24, 27, 28, 30, 33, 35, 37, 39, 41, 43, 45, 47, 49, 51, 53, 56, 57, 60, 63, 65, 67, 68, 72, 73, 74, 75, 76, 79, 82, 83, 85, 86, 89, 90, 92, 94, 96, 98, 100, 103, 104, 107, ...
[ "nonn" ]
A237890
[ 3, 7, 13, 97, 487, 613, 743, 827, 883, 1117, 1987, 2477, 2887, 3863, 4483, 5153, 5557, 5683, 5923, 5953, 6287, 7643, 7937, 8093, 9323, 10343, 12377, 13033, 13063, 14087, 14767, 15373, 16937, 17713, 17987, 18257, 19013, 19333, 19753, 19853...
[ "nonn" ]
A257147
[ 512, 16677, 732482, 51899365, 6713096472, 1618913713517, 695152560346535, 535333746001462700, 743423728273958100000, 1.857204484036445e+24 ]
[ "nonn" ]
A379548
[ 1, 2, 3, 6, 5, 10, 15, 14, 21, 22, 30, 7, 26, 33, 34, 39, 38, 42, 35, 46, 51, 58, 57, 62, 66, 55, 70, 69, 74, 78, 65, 82, 87, 86, 93, 94, 102, 85, 106, 105, 110, 111, 114, 95, 118, 123, 122, 129, 130, 138, 115, 134...
[ "nonn" ]
A164948
[ 1, 1, -1, 3, -4, 1, 9, -15, 7, -1, 27, -54, 36, -10, 1, 81, -189, 162, -66, 13, -1, 243, -648, 675, -360, 105, -16, 1, 729, -2187, 2673, -1755, 675, -153, 19, -1, 2187, -7290, 10206, -7938, 3780, -1134, 210, -22, 1, 6561, -2...
[ "tabl", "sign" ]
A211312
[ 1, 1, 1, 1, 0, 1, 1, 2, 2, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 0, 1, 1, 2, 2, 0, 2, 2, 1, 1, 1, 1, 0, 0, 1, 1, 1, 1, 0, 1, 0, 0, 0, 1, 0, 1, 1, 2, 2, 2, 0, 0, 2, 2, 2, 1, 1, 1, 1, 2, 2, 0, 2, 2, 1...
[ "nonn", "tabl" ]
A375318
[ 1, 0, 0, 1, 4, 6, 5, 9, 28, 57, 82, 122, 249, 519, 913, 1485, 2632, 5053, 9369, 16375, 28662, 52226, 96182, 173220, 307653, 551927, 1002327, 1815191, 3258813, 5845015, 10539893, 19048900, 34332648, 61735922, 111129005, 200406479, 361364501, 6...
[ "nonn" ]
A161313
[ 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 2, 1, 2, 1, 2, 1, 4, 2, 4, 4, 5, 4, 7, 5, 8, 8, 9, 9, 12, 10, 13, 13, 15, 14, 18, 16, 19, 19, 21, 20, 25, 23, 27, 28, 31, 31, 37, 36, 42, 43, 47, 48,...
[ "nonn" ]
A056251
[ 1, 11, 13, 29, 103, 125, 341, 599, 9823 ]
[ "nonn", "hard", "more" ]
A164010
[ 0, 23, 46, 57, 92, 85, 138, 119, 152, 171, 200, 220, 276, 286, 322, 375, 416, 442, 486, 532, 580, 630, 682, 736, 792, 850, 910, 972, 1036, 1102, 1170, 1240, 1312, 1386, 1462, 1540, 1620, 1702, 1786, 1872, 1960, 2050, 2142, 2236, ...
[ "nonn" ]
A375073
[ 72, 108, 200, 392, 500, 675, 968, 1125, 1323, 1352, 1372, 1800, 2312, 2700, 2888, 3087, 3267, 3528, 4232, 4500, 4563, 5292, 5324, 5400, 6125, 6728, 7688, 7803, 8575, 8712, 8788, 9000, 9747, 9800, 10584, 10952, 11979, 12168, 12348, 13068, ...
[ "nonn", "easy" ]
A313491
[ 1, 5, 10, 14, 18, 22, 27, 33, 38, 43, 48, 51, 56, 59, 65, 71, 76, 81, 86, 87, 94, 95, 103, 109, 114, 119, 124, 123, 132, 131, 141, 147, 152, 157, 162, 159, 170, 167, 179, 185, 190, 195, 200, 195, 208, 203, 217, 223, 228,...
[ "nonn" ]
A357502
[ 1, 2, 6, 20, 80, 342, 1624, 8136, 43776, 246410, 1463264, 9033180, 58200064, 387905182, 2679200640, 19068105488, 139929124864, 1054773505170, 8167509816832, 64795371984420, 526534098026496, 4374163243287398, 37135913476691970, 321727849480560600 ]
[ "nonn", "easy" ]
A278250
[ 1, 1, 1, 2, 2, 6, 2, 2, 6, 12, 12, 6, 2, 2, 60, 30, 2, 6, 120, 6, 6, 180, 2, 12, 30, 210, 6, 2, 2, 30, 210, 6, 30, 900900, 30, 180, 24, 210, 60060, 210, 13860, 120, 210, 210, 210, 96, 30, 60060, 6126120, 2310, 30, ...
[ "nonn" ]
A384521
[ 1, 2, 18, 218, 3474, 69290, 1659330, 46359770, 1480241970, 53171142410, 2122154748450, 93168872862650, 4462242691496850, 231524863130863840, 12936797161953970000, 774495903492069700000, 4.945841618732212e+22, 3.3557548248528044e+24, 2.4108146699084326e+26 ]
[ "nonn" ]
A124401
[ 3, 5, 8, 9, 11, 15, 21, 39, 50, 63, 83, 95, 99, 173, 350, 854, 1308, 1769, 2903, 5250, 5345, 5639, 6195, 7239, 21368, 41669, 47684, 58619, 63515, 69468, 70539, 133508, 134993, 187160, 493095 ]
[ "nonn", "more" ]
A310532
[ 1, 4, 10, 16, 22, 28, 34, 40, 46, 52, 56, 60, 66, 72, 78, 84, 90, 96, 102, 108, 112, 116, 122, 128, 134, 140, 146, 152, 158, 164, 168, 172, 178, 184, 190, 196, 202, 208, 214, 220, 224, 228, 234, 240, 246, 252, 258, 264, ...
[ "nonn" ]
A029146
[ 1, 0, 1, 1, 1, 2, 2, 2, 3, 4, 4, 5, 6, 6, 8, 9, 9, 11, 13, 13, 16, 17, 18, 21, 23, 24, 27, 30, 31, 35, 38, 39, 44, 47, 49, 54, 58, 60, 66, 70, 73, 79, 84, 87, 94, 100, 103, 111, 117, 121, 130, 136, 141, 150, ...
[ "nonn", "easy" ]
A138301
[ 1, 2, 4, 11, 37, 145, 673, 3748, 22875 ]
[ "nonn" ]
A330002
[ 1, 2, 3, 4, 6, 7, 8, 9, 11, 12, 13, 14, 16, 17, 18, 19, 21, 22, 23, 24, 26, 27, 28, 29, 31, 32, 33, 34, 36, 37, 38, 39, 41, 42, 43, 44, 46, 47, 48, 49, 51, 52, 53, 54, 56, 57, 58, 59, 61, 62, 63, 64, 66, 67, ...
[ "nonn", "easy" ]
A172438
[ 1, 3, 5, 11, 19, 27, 29, 59, 61, 71, 79, 101, 125, 131, 139, 181, 199, 242, 243, 271, 333, 349, 379, 387, 409, 423, 449, 461, 477, 521, 569, 571, 603, 631, 641, 661, 739, 747, 751, 772, 788, 821, 881, 929, 991, 1017, 1031, ...
[ "nonn" ]
A078079
[ 0, 1, 1, 2, 1, 3, 1, 3, 1, 2, 1, 77, 2, 1, 1, 10, 2, 1, 1, 1, 7, 1, 1, 3, 3, 5, 5, 3, 1, 1, 35, 1, 8, 3, 1, 2, 1, 3, 2, 5, 3, 1, 14, 1, 2, 1, 15, 1, 8, 1, 2, 3, 6, 1, 3, 1, 7, 1, 1, 2, 1, 1, 2...
[ "nonn", "cofr" ]
A327645
[ 1, 1, 6, 88, 2489, 112669, 8204101, 799422247, 109633217402, 19157475773052, 4260985739868007, 1161511740640164000, 388990633971649900000, 1.5236951039313236e+23, 7.09145413094882e+25, 3.81522805838555e+28, 2.363932514522111e+31 ]
[ "nonn" ]
A008322
[ 1, 2, 9, 730, 737, 389017001, 389017008, 389017729, 400315554, 400315561, 400316282, 789332553, 5.887158716227059e+25, 5.887158716227059e+25, 5.887158716227059e+25 ]
[ "nonn" ]
A325745
[ 1, 1, -2, 4, -7, 10, -10, 0, 35, -125, 325, -725, 1451, -2639, 4355, -6435, 8255, -8567, 5863, -455, 910, -40105, 210418, -733447, 2085525, -5200299, 11748373, -24416951, 46909837, -82930835, 132479945, -182029055, 182029055, 1, -670853985, 24805...
[ "easy", "sign" ]
A203199
[ 1, 2, 8, 56, 631, 14218, 565370, 42020324, 5821586810, 1491023110987, 707175291089731 ]
[ "nonn", "more" ]
A299975
[ 1, 4, 11, 14, 21, 24, 26, 9, 6, 19, 16, 29, 22, 3, 2, 13, 12, 23, 27, 8, 7, 18, 17, 28, 25, 10, 5, 20, 15, 30, 35, 40, 45, 50, 55, 60, 65, 70, 75, 76, 39, 36, 49, 46, 59, 56, 69, 66, 79, 71, 34, 31, 44, 41, 5...
[ "nonn", "base" ]
A053424
[ 1, 2, 5, 4, 5, 9, 9, 25, 9, 10, 25, 25, 25, 17, 25, 16, 17, 25, 25, 25, 50, 25, 50, 50, 25, 26, 50, 50, 50, 36, 50, 36, 37, 50, 101, 36, 37, 50, 50, 50, 101, 50, 101, 101, 50, 101, 101, 101, 49, 50, 101, 101, 101...
[ "nonn" ]
A048291
[ 1, 1, 7, 265, 41503, 24997921, 57366997447, 505874809287625, 17343602252913832000, 2.3349587275657492e+24, 1.2432379135922755e+30, 2.6301198770246577e+36, 2.2170632855360952e+43 ]
[ "nonn", "easy", "nice" ]
A053617
[ 1, 1, 2, 6, 22, 90, 396, 1837, 8864, 44074, 224352, 1163724, 6129840, 32703074, 176351644, 959658200, 5262988330, 29057961666, 161374413196, 900792925199, 5050924332096, 28434661250454, 160644331001476, 910455895039056, 5174722258676440, 29486753617569684 ]
[ "nonn" ]
A107645
[ 11, 13, 29, 43, 49, 71, 103, 109, 127, 131, 143, 173, 181, 217, 223, 229, 239, 241, 251, 259, 263, 287, 301, 307, 311, 341, 353, 367, 377, 383, 403, 407, 419, 433, 449, 473, 481, 493, 503, 509, 523, 547, 553, 559, 577, 599, ...
[ "nonn", "base" ]
A247079
[ 345, 1050, 1645, 4386, 6489, 8041, 13026, 23881, 88473, 115957, 255041, 342637, 377201, 1497517, 2132021, 2428489, 3256261, 3847001, 4114285, 4646101, 5054221, 6816865, 7218641, 7587901, 13384681, 14872837, 17897737, 20901553, 23807821, 25863653, 28207957 ...
[ "nonn" ]
A318705
[ 0, 1, 1, 0, -1, -1, -1, 0, 1, 3, 4, 4, 3, 2, 2, 2, 3, 4, 3, 4, 4, 3, 2, 2, 2, 3, 4, 0, 1, 1, 0, -1, -1, -1, 0, 1, -3, -2, -2, -3, -4, -4, -4, -3, -2, -3, -2, -2, -3, -4, -4, -4, -3, -2, -3, -2, -2, -3, ...
[ "sign", "base" ]
A211185
[ 1, 3, 9, 10, 14, 15, 21, 26, 28, 34, 51, 69, 75, 76, 88, 92, 99, 102, 104, 106, 110, 124, 134, 135, 136, 138, 141, 146, 164, 170, 231, 232, 236, 256, 258, 261, 268, 285, 290, 309, 321, 328, 386, 394, 405, 411, 424, 429, ...
[ "nonn" ]
A366015
[ 0, 1, 7, 76, 995, 14433, 223300, 3611016, 60305787, 1032115315, 18007816255, 319110233104, 5727667197044, 103913426353324, 1902498385538520, 35106179258551630, 652236828560563000, 12190651925663310000, 229059610932456620000, 4.324334144117016e+21, 8.198363746810844e+22 ]
[ "nonn" ]
A359798
[ 1, 4, 28, 232, 2108, 20384, 206392, 2165720, 23385340, 258532216, 2915343808, 33437862352, 389230520888, 4590271681064, 54767161155000, 660307913374352, 8036973478493436, 98672644594401730, 1221090110502080500, 15222093531642444000 ]
[ "nonn" ]
A059391
[ 4, 27, 208, 18630, 780856896 ]
[ "nonn", "hard", "more" ]
A246581
[ 0, 0, 0, 1, 0, 1, -1, 1, -2, 1, -3, 2, -4, 3, -5, 5, -6, 7, -8, 10, -10, 13, -13, 17, -17, 21, -22, 27, -28, 33, -36, 41, -45, 50, -56, 62, -69, 75, -85, 92, -103, 111, -125, 135, -150, 162, -180, 195, -215, 232, -25...
[ "sign" ]
A293308
[ 1, 2, 3, 10, 15, 56, 210, 330, 1287, 2002, 8008, 31824, 50388, 203490, 319770, 1307504, 2042975, 8436285, 34597290, 54627300, 225792840, 354817320, 1476337800, 6107086800, 9669554100, 40225345056, 63432274896, 265182149218, 416714805914, 1749695026860 ]
[ "nonn" ]
A098134
[ 0, 0, 1, 1, 4, 2, 2, 7, 8, 5, 10, 7, 13, 20, 17, 19 ]
[ "nonn" ]
A268589
[ 12, 2364, 43500, 20791626, 514377588, 373783661124, 9888937247184828, 312285010312512060, 1.116798073998152e+22, 1.3185583459205473e+25, 4.623698437753746e+26, 5.886083852617171e+29, 2.875886322114409e+34, 1.5083654812318524e+39 ]
[ "nonn" ]
A161107
[ 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 2, 1, 1, 3, 2, 2, 4, 3, 3, 5, 4, 4, 6, 5, 5, 8, 6, 6, 8, 7, 7, 11, 9, 9, 11, 10, 10, 14, 12, 12, 14, 13, 13, 18, 15, 15, 18, 16, 16, 24, ...
[ "nonn" ]
A173963
[ 0, 0, 20, 108, 336, 800, 1620, 2940, 4928, 7776, 11700, 16940, 23760, 32448, 43316, 56700, 72960, 92480, 115668, 142956, 174800, 211680, 254100, 302588, 357696, 420000, 490100, 568620, 656208, 753536, 861300, 980220, 1111040, 1254528 ]
[ "nonn", "easy" ]
A122574
[ 1, 1, -10, 111, -1231, 13652, -151403, 1679085, -18621338, 206513803, -2290273171, 25399518684, -281684978695, 3123934284329, -34644962106314, 384218517453783, -4261048654097927, 47255753712530980, -524074339491938700, 5812073488123857000, -64456882708854370000 ]
[ "sign", "easy" ]
A105284
[ 1, 3, 10, 37, 142, 558, 2212, 8811, 35170, 140538, 561868, 2246914, 8986540, 35943948, 143771368, 575076661, 2300289022, 9201120918, 36804413332, 147217512790, 588869770084, 2355478518468, 9421912950136, 37687649553630 ]
[ "nonn" ]
A223889
[ 0, 0, 1, 7, 66, 1078, 33812, 2124864, 269617328, 68809824944, 35197776962400, 36032789666289920, 73789365506598520000, 3.022343076088703e+23, 2.475886847109431e+27, 4.056485107785643e+31 ]
[ "nonn" ]
A320645
[ 0, 0, 0, 0, 0, 0, 4, 51, 339, 2010, 10900, 56700, 286888, 1426542, 7014746, 34229050, 166197824, 804243285, 3883608940, 18729354638, 90266471623, 434946282498, 2096010533584, 10104160993993, 48733654211358, 235195966291020, 1135892493220025, 5490005931157446, ...
[ "nonn", "easy" ]
A368696
[ 9, 21, 25, 33, 49, 57, 69, 85, 93, 121, 129, 133, 145, 161, 169, 177, 185, 201, 205, 209, 213, 217, 221, 237, 249, 253, 265, 289, 305, 309, 315, 321, 341, 361, 365, 377, 381, 393, 413, 417, 437, 445, 453, 469, 485, 489, 493,...
[ "nonn" ]
A244108
[ 1, 1, 2, 2, 4, 16, 40, 80, 80, 8, 64, 400, 2240, 11360, 55040, 253440, 1056000, 3801600, 10982400, 21964800, 21964800, 16, 208, 2048, 18816, 168768, 1508032, 13501312, 121362560, 1099169280, 10049994240, 92644597760, 857213660160, 7907423180800, 72...
[ "nonn", "tabf" ]
A054865
[ 23, 25, 29, 31, 32, 34, 35, 41, 43, 47, 49, 51, 52, 53, 58, 59, 61, 62, 65, 67, 68, 69, 71, 77, 79, 167, 169, 187, 191, 193, 197, 203, 205, 207, 209, 211, 213, 221, 223, 225, 227, 229, 233, 239, 241, 245, 247, 248, 250, ...
[ "base", "easy", "nonn" ]
A264278
[ 1156, 397970, 137007025, 28735927165, 6027088830169, 1398071103483637, 324302970384650430, 73860692068418320000, 1.682192989584755e+22, 3.842838461170279e+24 ]
[ "nonn" ]
A011561
[ 1, 2047, 86526, 611501, 1379400, 1323652, 627396, 159027, 22275, 1705, 66, 1 ]
[ "nonn", "fini", "full" ]
A190347
[ 2, 5, 8, 12, 14, 17, 21, 24, 26, 29, 33, 36, 39, 42, 45, 48, 51, 54, 57, 60, 64, 67, 69, 72, 76, 79, 81, 85, 88, 91, 95, 97, 100, 103, 107, 109, 112, 116, 119, 121, 124, 128, 131, 134, 137, 140, 143, 146, 149, 152, 1...
[ "nonn" ]
A050277
[ 1, 96, 64, 18432, 64, 3840, 5308416, 128, 24576, 5898240, 2038431744, 3072, 82575360, 849346560, 978447237120, 2048, 7864320, 237817036800, 652298158080, 563585608581120, 2048, 2621440, 11890851840, 5707608883200 ]
[ "nonn" ]
A334160
[ 12, 18, 20, 24, 26, 32, 36, 38, 44, 48, 50, 56, 62, 66, 68, 74, 78, 80, 86, 92, 104, 108, 110, 114, 116, 122, 128, 134, 140, 144, 146, 152, 156, 158, 164, 170, 176, 182, 186, 188, 194, 198, 200, 204, 206, 212, 218, 224, ...
[ "nonn", "easy" ]
A341734
[ 0, 1, 4, 10, 22, 37, 68, 106, 137, 225, 310, 376, 538, 685, 716, 1058, 1288, 1471, 1842, 2170, 2327, 2941, 3388, 3734, 4412, 4993, 5444, 6306, 7042, 7391, 8680, 9586, 10289, 11585, 12682, 13628, 15078, 16381, 17440, 19210, 20740, 2189...
[ "nonn" ]
A388099
[ 1, 3, 1, 8, 8, 4, 0, 5, 0, 9, 2, 7, 4, 7, 2, 0, 2, 7, 3, 4, 7, 0, 8, 8, 3, 9, 3, 0, 9, 3, 0, 6, 6, 3, 2, 0, 9, 2, 5, 9, 9, 1, 0, 4, 9, 4, 5, 1, 1, 4, 3, 1, 8, 5, 5, 7, 6, 0, 7, 6, 9, 2, 2, 7...
[ "nonn", "cons" ]
A120346
[ 1, 2, 6, 23, 102, 492, 2498, 13130, 70800, 389446, 2176802, 12328552, 70597568, 408061604, 2377643974, 13950607135, 82355028006, 488797440712, 2915087969496, 17459865132260, 104981190319396, 633438776314456 ]
[ "nonn" ]
A337450
[ 0, 0, 0, 0, 0, 2, 0, 7, 5, 17, 17, 54, 51, 143, 168, 358, 482, 986, 1313, 2583, 3663, 6698, 9921, 17710, 26489, 46352, 70928, 121137, 188220, 317810, 497322, 832039, 1313501, 2177282, 3459041, 5702808, 9094377, 14930351, 23895672, 3908407...
[ "nonn" ]
A193327
[ 0, 10, 81, 9599, 4440666, 8256061539 ]
[ "nonn" ]
A318340
[ 16, 42, 76, 148, 393, 1115, 3321, 10111, 30943, 95244, 293401, 904986, 2792217, 8617223, 26597072, 82096253, 253412398, 782236683, 2414640760, 7453642765, 23008358869, 71023687464, 219240636280, 676766784339, 2089089700480 ]
[ "nonn" ]
A136510
[ 2, 2, 3, 2, 3, 3, 3, 2, 3, 3, 5, 3, 4, 3, 3, 2, 3, 3, 6, 3, 6, 5, 3, 3, 5, 5, 2, 3, 3, 3, 3, 2, 3, 3, 6, 3, 8, 6, 3, 3, 2, 9, 4, 5, 6, 5, 5, 3, 5, 5, 4, 5, 6, 2, 5, 3, 5, 3, 6, 3, 6, 3, 3, 2...
[ "nonn", "base" ]
A200249
[ 6, 21, 75, 267, 951, 3387, 12063, 42963, 153015, 544971, 1940943, 6912771, 24620199, 87686139, 312298815, 1112268723, 3961403799, 14108748843, 50249054127, 178964660067, 637392088455, 2270105585499, 8085100933407, 28795513971219 ]
[ "nonn" ]
A201417
[ 1, 5, 0, 7, 9, 2, 8, 7, 9, 5, 3, 8, 0, 0, 9, 8, 2, 6, 6, 5, 6, 7, 8, 9, 9, 9, 9, 4, 0, 7, 0, 9, 9, 1, 4, 1, 3, 3, 9, 9, 6, 3, 0, 1, 1, 4, 6, 2, 2, 2, 1, 0, 4, 1, 8, 0, 3, 0, 5, 4, 5, 7, 3, 5...
[ "nonn", "cons" ]
A100352
[ 1, 6, 9, 12, 15, 18, 21, 24, 28, 31, 34, 17, 41, 11, 47, 50, 23, 57, 60, 63, 67, 70, 73, 76, 32, 83, 86, 36, 93, 97, 100, 103, 106, 109, 112, 115, 119, 123, 127, 130, 133, 137, 52, 143, 147, 150, 153, 157, 160, 59, 1...
[ "nonn" ]
A081851
[ 5, 7, 36, 1711985, 13, 15, 1700, 114, 168, 42000323, 275, 324, 58, 62, 23658393, 6055, 58311963, 9321, 121770, 13760, 135, 141, 1960, 344148, 5734229, 3391007266515, 8825709, 23546737390632356, 244, 252, 1526332099115586300, 105432399233, 27538521, 5...
[ "nonn" ]
A002083
[ 1, 1, 1, 2, 3, 6, 11, 22, 42, 84, 165, 330, 654, 1308, 2605, 5210, 10398, 20796, 41550, 83100, 166116, 332232, 664299, 1328598, 2656866, 5313732, 10626810, 21253620, 42505932, 85011864, 170021123, 340042246, 680079282, 1360158564 ]
[ "easy", "core", "nonn", "nice" ]
A299764
[ 1, 2, 2, 5, 2, 6, 2, 10, 5, 6, 2, 16, 2, 6, 6, 18, 2, 16, 2, 16, 6, 6, 2, 36, 5, 6, 10, 16, 2, 22, 2, 32, 6, 6, 6, 44, 2, 6, 6, 36, 2, 22, 2, 16, 16, 6, 2, 72, 5, 16, 6, 16, 2, 36, 6, 36, 6, 6, 2, 6...
[ "nonn" ]
A075881
[ 2, 5, 7, 17, 9, 41, 31, 18, 7, 46, 7, 197, 26, 281, 43, 130, 18, 170, 73, 74, 91, 120, 44, 110, 60, 46, 81, 460, 44, 62, 50, 620, 80, 712, 571, 812, 38, 108, 80, 10, 96, 386, 126, 1280, 74, 1412, 326, 138, 62, 67, 11...
[ "nonn" ]
A031966
[ 360, 361, 362, 363, 366, 368, 369, 370, 373, 374, 376, 377, 380, 381, 382, 384, 387, 388, 389, 390, 444, 445, 446, 447, 462, 466, 467, 468, 469, 472, 474, 475, 476, 479, 480, 482, 483, 486, 487, 488, 492, 494, 495, 496, 504 ]
[ "nonn", "base" ]
A250593
[ 19683, 2099520, 622080000, 512000000000, 175000000000000, 117236328125000000, 153936794281005880000, 9.537511961939062e+22, 9.768248334528416e+25, 1.6538161444204458e+29, 1.4735501846786174e+32, 1.9612952958072396e+35 ]
[ "nonn" ]
A149002
[ 1, 1, 3, 9, 34, 116, 477, 1859, 7948, 32632, 143726, 612941, 2757686, 12065542, 55091704, 245697707, 1134244877, 5134435274, 23907000403, 109493081635, 513387977439, 2373412861131, 11192930353072, 52143954767209, 247105573318747, 1158576387101921, 5513042148574293...
[ "nonn", "walk" ]
A358228
[ 4, 8, 10, 12, 14, 16, 20, 22, 24, 28, 30, 32, 36, 40, 42, 44, 48, 50, 52, 54, 56, 58, 60, 62, 63, 64, 66, 68, 72, 74, 75, 76, 78, 80, 84, 88, 90, 92, 96, 98, 99, 100, 102, 104, 108, 110, 112, 114, 116, 120, 122, 12...
[ "nonn" ]
A303721
[ 2, 8, 21, 49, 120, 293, 719, 1774, 4389, 10893, 27096, 67529, 168555, 421238, 1053769, 2638209, 6609224, 16565853, 41538871, 104192734, 261416765, 656024133, 1646562744, 4133274369, 10376622259, 26052793638, 65415654721, 164260171289 ]
[ "nonn" ]
A070524
[ 0, 2, 7, 5, 341, 3, 55987, 257, 46873, 205, 11111111111, 241, 9726655034461, 39991, 14709241, 16777217, 19676527011956855000, 46441, 4.166090266796104e+22, 16519105, 8177824843189, 9090909091, 3.576863477148967e+29 ]
[ "easy", "nonn" ]
A222900
[ 1, 4, 14, 75, 411, 2522, 15919, 103627, 683480, 4554799, 30542304, 205785953, 1391485044, 9436529666, 64150640719, 437015936703, 2982527052975, 20387828050502, 139566607631735, 956650211233825, 6564964362464004 ]
[ "nonn" ]
A120444
[ 0, 1, 0, 3, -1, 5, 0, 4, 1, 9, -5, 11, 3, 5, 0, 15, -4, 17, -3, 9, 7, 21, -13, 18, 9, 13, -1, 27, -13, 29, 0, 17, 13, 21, -20, 35, 15, 21, -11, 39, -13, 41, 3, 11, 19, 45, -29, 40, 6, 29, 5, 51, -13, 37, -9, ...
[ "sign", "easy" ]
A313273
[ 1, 4, 9, 15, 21, 23, 30, 30, 40, 41, 53, 53, 61, 60, 66, 68, 81, 79, 99, 83, 108, 84, 116, 99, 129, 117, 135, 124, 136, 130, 153, 141, 175, 143, 186, 140, 194, 157, 205, 179, 207, 188, 206, 194, 227, 203, 251, 201, 262, ...
[ "nonn" ]
A013986
[ 1, 0, 1, 1, 2, 3, 5, 8, 13, 21, 33, 54, 86, 139, 223, 359, 577, 928, 1492, 2399, 3858, 6203, 9975, 16039, 25791, 41471, 66685, 107228, 172421, 277250, 445813, 716860, 1152698, 1853519, 2980426, 4792474, 7706215 ]
[ "nonn", "easy" ]
A327696
[ 1, 1, 0, 1, 2, 10, 28, 125, 497, 2345, 11497, 61688, 350543, 2126495, 13631966, 92197099, 654982126, 4874404106, 37892942311, 306986431845, 2586206074833, 22612848380851, 204850698287662, 1919652428481928, 18581619383614330, 185543613289199740, 1908894095258021000...
[ "nonn" ]
A234110
[ 2064, 7742, 31740, 151304, 738628, 3840512, 20547980, 114726620, 659505140, 3907997608, 23683903008, 146366102920, 917675482460, 5819531525020, 37212305290312, 239438472633404, 1547580286368172, 10035656593477640 ]
[ "nonn" ]