id
stringlengths
7
11
seq
listlengths
1
347
keywords
listlengths
1
8
A062939
[ 0, 1, 2, 3, 4, 5, 51, 54, 105, 306, 324, 630, 2646, 6711, 8998, 9003, 19847, 29513, 30127, 30132, 67662, 71267, 314751, 314928, 405972, 427602, 1009394, 1347704, 1888506, 1889568, 2321838, 2840097, 5383299, 6056364, 7143622, 8086224, 11331036, ...
[ "base", "nonn" ]
A136530
[ 1, 6, 23, 74, 216, 592, 1552, 3936, 9728, 23552, 56064, 131584, 305152, 700416, 1593344, 3596288, 8060928, 17956864, 39780352, 87687168, 192413696, 420478976, 915406848, 1986002944, 4294967296, 9261023232, 19914555392, 42714791936 ]
[ "nonn", "easy" ]
A232591
[ 2, 34, 12, 152, 108, 690, 744, 3232, 4516, 15592, 25724, 76914, 141516, 385622, 762648, 1955944, 4058152, 10001440, 21421592, 51425362, 112496648, 265415854, 588810972, 1373336224, 3075128652, 7118096080, 16037159652, 36935382354 ]
[ "nonn" ]
A221364
[ 1, 1, 1, 5, 1, 16, 1, 45, 1, 121, 1, 320, 1, 841, 1, 2205, 1, 5776, 1, 15125, 1, 39601, 1, 103680, 1, 271441, 1, 710645, 1, 1860496, 1, 4870845, 1, 12752041, 1, 33385280, 1, 87403801, 1, 228826125, 1, 599074576, 1, 1568397605, 1...
[ "nonn", "easy", "cofr" ]
A119196
[ 3, 6, 36, 66, 666, 333336, 8868366, 86638866, 83838368386, 636633688636, 3336366833866, 3866366838336666, 63386366836686664, 636638868363883300000, 3.8688886668886666e+21, 6.688636868688687e+25, 6.836866666883838e+26 ]
[ "nonn", "base" ]
A021745
[ 0, 0, 1, 3, 4, 9, 5, 2, 7, 6, 6, 5, 3, 1, 7, 1, 3, 9, 0, 0, 1, 3, 4, 9, 5, 2, 7, 6, 6, 5, 3, 1, 7, 1, 3, 9, 0, 0, 1, 3, 4, 9, 5, 2, 7, 6, 6, 5, 3, 1, 7, 1, 3, 9, 0, 0, 1, 3, 4, 9, 5, 2, 7, 6...
[ "nonn", "cons", "easy" ]
A259184
[ 1, 7, 13, 43, 31, 133, 57, 211, 157, 307, 133, 757, 183, 553, 553, 931, 307, 1483, 381, 1723, 993, 1261, 553, 3541, 931, 1723, 1561, 3081, 871, 5113, 993, 3907, 2257, 2863, 2257, 8191, 1407, 3541, 3081, 8011, 1723, 9121, 1893, 697...
[ "easy", "nonn" ]
A297771
[ 1, 1, 2, 1, 2, 2, 2, 1, 2, 2, 3, 2, 1, 2, 3, 2, 2, 2, 3, 2, 3, 2, 2, 2, 2, 1, 2, 2, 3, 2, 3, 3, 3, 3, 3, 2, 3, 3, 2, 1, 2, 3, 3, 2, 3, 3, 3, 3, 3, 2, 3, 2, 2, 2, 3, 2, 3, 3, 3, 2, 3, 3, 3, 3...
[ "nonn", "base", "easy" ]
A245829
[ 51, 192, 285, 648, 847, 1536, 1881, 3000, 3531, 5184, 5941, 8232, 9255, 12288, 13617, 17496, 19171, 24000, 26061, 31944, 34431, 41472, 44425, 52728, 56187, 65856, 69861, 81000, 85591, 98304, 103521, 117912, 123795, 139968, 146557, 164616, 17195...
[ "nonn", "easy" ]
A166819
[ 1, 14, 83, 308, 877, 2106, 4487, 8744, 15897, 27334, 44891, 70940, 108485, 161266, 233871, 331856, 461873, 631806, 850915, 1129988, 1481501 ]
[ "nonn" ]
A135363
[ 10, 15, 19, 24, 25, 29, 33, 36, 39, 43, 47, 48, 50, 51, 54, 58, 59, 60, 67, 68, 69, 72, 73, 75, 77, 79, 82, 83, 84, 85, 91, 93, 94, 95, 97, 100, 101, 102, 106, 107, 109, 112, 115, 116, 118, 120, 122, 123, 126, 127, 1...
[ "easy", "nonn" ]
A248484
[ 724, 844, 988, 1156, 1348, 1564, 1804, 2284, 2860, 3532, 4300, 5164, 6124, 8044, 10348, 13036, 16108, 19564, 23404, 31084, 40300, 51052, 63340, 77164, 92524, 123244, 160108, 203116, 252268, 307564, 369004, 491884, 639340, 811372, 1007980 ]
[ "nonn" ]
A333532
[ 1, 5, 6, 7, 8, 9, 11, 13, 14, 16, 17, 18, 20, 21, 22, 24, 25, 27, 30, 32, 35, 40, 41, 45, 48, 49, 53, 54, 58, 62, 63, 64, 68, 72, 73, 76, 85, 86, 90, 102, 117, 136, 143, 144, 153, 154, 161, 165, 166, 182, 183, 187,...
[ "nonn" ]
A335536
[ 0, 1, 3, 2, 7, 6, 4, 5, 14, 15, 13, 12, 9, 8, 10, 11, 31, 30, 28, 29, 24, 25, 27, 26, 17, 16, 18, 19, 22, 23, 21, 20, 58, 59, 57, 56, 61, 60, 62, 63, 52, 53, 55, 54, 51, 50, 48, 49, 37, 36, 38, 39, 34, 35, 33...
[ "nonn" ]
A383080
[ 12, 18, 20, 24, 28, 40, 44, 45, 48, 50, 52, 54, 56, 60, 63, 68, 72, 75, 76, 80, 84, 88, 90, 92, 96, 98, 99, 104, 108, 112, 116, 117, 120, 124, 126, 132, 135, 136, 140, 144, 147, 148, 150, 152, 153, 156, 160, 162, 164, ...
[ "nonn" ]
A193112
[ 1, 1, 3, 13, 63, 328, 1796, 10200, 59529, 354837, 2151079, 13221261, 82200739, 516053099, 3266812048, 20829635112, 133651716406, 862342656359, 5591505085491, 36416212224801, 238114435569354, 1562560513492974, 10287406857203912 ]
[ "nonn" ]
A084228
[ 1, 2, 3, 6, 3, 6, 3, 6, 3, 6, 12, 6, 12, 15, 12, 15, 3, 6, 3, 6, 12, 6, 12, 15, 12, 15, 3, 6, 3, 6, 12, 6, 12, 15, 12, 15, 12, 6, 12, 6, 12, 15, 12, 15, 12, 15, 12, 6, 12, 15, 12, 15, 12, 15, 12, 15, 12, ...
[ "base", "nonn" ]
A286036
[ 0, 2478630, 96492000, 2262209634604920, 88065491686677120, 2.064651070850764e+24, 8.037474022369935e+25, 1.884345278651963e+33, 7.33556213936903e+34, 1.719785575058362e+42, 6.694948157938525e+43 ]
[ "nonn", "easy" ]
A090484
[ 5, 3, 3, 4, 4, 5, 4, 5, 7, 6, 8, 8, 7, 8, 9, 10, 9, 11, 11, 10, 11, 11, 12, 14, 14, 13, 13, 12, 12, 17, 17, 17, 16, 19, 18, 19, 19, 19, 20, 20, 19, 22, 20, 20, 19, 22, 26, 26, 24, 24, 24, 23, 25, 26, 26, 27...
[ "nonn" ]
A349762
[ 13, 19, 21, 25, 26, 27, 31, 33, 35, 36, 37, 38, 39, 41, 42, 43, 49, 54, 55, 56, 57, 61, 62, 65, 66, 67, 70, 71, 73, 74, 77, 78, 79, 81, 82, 86, 87, 88, 89, 91, 93, 95, 97, 100, 101, 103, 104, 105, 109, 110, 111, 11...
[ "nonn" ]
A339826
[ 2, 2, 3, 7, 7, 7, 7, 7, 7, 7, 11, 11, 11, 11, 11, 11, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45...
[ "nonn" ]
A237576
[ 0, 0, 0, 6, 60, 30, 210, 24, 84, 60, 198, 330, 1716, 546, 2730, 252, 4080, 36, 5814, 210, 7980, 2310, 10626, 924, 1380, 1248, 90, 4914, 4176, 6090, 26970, 480, 32736, 1224, 39270, 1938, 46620, 2394, 54834, 4560, 63960, 4620, 74046, ...
[ "nonn" ]
A150915
[ 1, 2, 9, 32, 147, 623, 2849, 12949, 59860, 279350, 1311051, 6191988, 29398490, 140007030, 669717786, 3210915735, 15439768070, 74406932724, 359282830255, 1738170696937, 8422097743714, 40869883179843, 198594773020994, 966170070164090, 4705823118622564, 229433829725465...
[ "nonn", "walk" ]
A139769
[ 1, 1, 1, 2, 1, 4, 7, 6, 1, 6, 18, 36, 49, 46, 24, 1, 8, 33, 94, 204, 354, 497, 562, 501, 326, 120, 1, 10, 52, 188, 528, 1222, 2406, 4102, 6116, 7996, 9132, 9014, 7541, 5116, 2556, 720, 1, 12, 75, 326, 1105, 3106, 7513, ...
[ "nonn", "tabf" ]
A104910
[ 0, 0, 16, 35, 37, 91, 175, 214, 316, 401, 590, 713, 1005, 1313, 1694, 2224, 2798, 3635, 4590, 5858, 7486, 9591, 12175, 15548, 19760, 25238, 32134, 40885, 52093, 66222, 84326, 107306 ]
[ "nonn" ]
A189128
[ 1, 2, 4, 6, 7, 11, 12, 13, 14, 20, 21, 22, 23, 24, 25, 26, 36, 37, 39, 40, 41, 42, 43, 44, 45, 46, 47, 50, 51, 54, 64, 65, 69, 71, 73, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 86, 88, 89, 90, 91, 93, 94, 96, 98,...
[ "nonn" ]
A182644
[ 1, 2, 6, 14, 34, 82, 198, 470, 1122, 2662, 6334, 14970, 35506, 83734, 198086, 466314, 1100818, 2587634, 6097830, 14316402, 33687146, 79008870, 185677006, 435098774, 1021404998, 2391646494, 5609151738, 13125214770, 30757286802, 71928506630 ]
[ "nonn" ]
A370463
[ 0, 1, 5, 74, 1704, 54474, 2225394, 110786976, 6506273544, 440368208280, 33752787590136, 2889747086330400, 273333159994125980, 28307010099549880000, 3.1856604425237283e+21, 3.8711748323671794e+23, 5.051856743315939e+25, 7.046383438320021e+27 ]
[ "nonn" ]
A096519
[ 284736, 595953, 855723, 855725, 855726, 855727, 1146785, 1146786, 1146787, 1616612, 1616618, 1616624, 1652884, 1654028, 1718708, 1749272, 1954358, 2176624, 2580658, 2580659, 2580660, 2580661, 2580662, 2831672, 2839942 ]
[ "nonn" ]
A123362
[ 1, 1, 11, 71, 481, 3241, 21851, 147311, 993121, 6695281, 45137291, 304300151, 2051487361, 13830424921, 93239986331, 628592042591, 4237752187201, 28569473336161, 192605600952971, 1298480972398631, 8753913839156641 ]
[ "nonn", "easy" ]
A150667
[ 1, 2, 8, 24, 104, 360, 1624, 6048, 27936, 108864, 510464, 2051456, 9719808, 39947648, 190710272, 797306880, 3828298240, 16222254080, 78243672064, 335196917760, 1622603599872, 7014447820800, 34056365273088, 148351482904576, 722064346365952, 3165937025024000, 154418...
[ "nonn", "walk" ]
A018528
[ 1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 144, 192, 288, 576 ]
[ "nonn", "fini", "full", "easy" ]
A358968
[ 1, 0, 6, 1, 9, 2, 4, 1, 7, 5, 9, 2, 2, 0, 7, 0, 7, 6, 0, 8, 4, 9, 9, 6, 1, 7, 9, 5, 6, 9, 4, 6, 1, 1, 2, 5, 2, 1, 3, 8, 6, 8, 3, 8, 0, 9, 6, 5, 8, 0, 6, 2, 0, 2, 5, 5, 9, 2, 5, 6, 1, 0, 7, 9...
[ "nonn", "cons" ]
A130671
[ 1, 1, 1, 1, 2, 1, 1, 3, 3, 1, 1, 4, 7, 4, 1, 1, 5, 13, 13, 5, 1, 1, 6, 21, 30, 21, 6, 1, 1, 7, 31, 57, 57, 31, 7, 1, 1, 8, 43, 96, 123, 96, 43, 8, 1, 1, 9, 57, 149, 231, 231, 149, 57, 9, 1, 1, 10, 73, ...
[ "nonn", "tabl" ]
A286478
[ 1, 1, 2, 1, 2, 1, 3, 3, 4, 2, 3, 1, 5, 4, 5, 2, 3, 1, 6, 4, 5, 2, 3, 1, 4, 6, 7, 7, 8, 6, 8, 9, 10, 7, 8, 4, 11, 9, 10, 5, 6, 2, 11, 7, 8, 3, 4, 1, 9, 12, 13, 12, 13, 9, 14, 14, 15, 10, 11, 5, 16,...
[ "nonn", "base" ]
A087713
[ 3, 2, 3, 3, 5, 7, 3, 5, 11, 7, 5, 19, 7, 11, 23, 13, 29, 31, 17, 7, 37, 13, 41, 11, 7, 17, 17, 53, 11, 19, 7, 13, 23, 23, 37, 19, 79, 41, 83, 43, 89, 13, 19, 97, 11, 11, 53, 37, 113, 23, 29, 17, 11, 7, 43, ...
[ "nonn", "easy" ]
A159281
[ 1, 4, -226, -2840, 152716, 3359984, -171346424, -5564082464, 268004512400, 11844081699904, -536337501207584, -30808027718598016, 1304498317340196600, 94684505764169420000, -3.7252136832955806e+21, -3.356919602621883e+23, 1.2179757829314204e+25 ]
[ "sign", "frac" ]
A051621
[ 1, 13, 221, 4641, 116025, 3364725, 111035925, 4108329225, 168441498225, 7579867420125, 371413503586125, 19684915690064624, 1122040194333683600, 68444451854354700000, 4.4488893705330554e+21, 3.069733665667808e+23 ]
[ "easy", "nonn" ]
A344763
[ 0, -1, 1, -3, 1, 3, 1, -7, 1, 6, 1, 4, 1, 7, 10, -15, 1, 10, 1, 5, 15, 11, 1, 9, 1, 14, 1, 21, 1, 15, 1, -31, 22, 18, 21, 28, 1, 19, 27, 25, 1, 22, 1, 12, 36, 23, 1, 16, 1, 26, 34, 13, 1, 27, 45, 8, 39, ...
[ "sign" ]
A189589
[ 1, 1, 1, 4, 10, 22, 59, 141, 299, 632, 1428, 3354, 7559, 17051, 39011, 88596, 199718, 450804, 1024183, 2325465, 5263935, 11925661, 27045401, 61298900, 138851955, 314630019, 713229703, 1616454503, 3662850431, 8300898385, 18813133993 ]
[ "nonn" ]
A242937
[ 2, 4, 7, 8, 9, 11, 14, 16, 18, 19, 26, 32, 36, 38, 42, 44, 48, 50, 53, 71, 74, 78, 79, 82, 86, 94, 95, 98, 104, 108, 111, 114, 118, 122, 124, 126, 136, 141, 146, 154, 162, 166, 172, 174, 178, 180, 184, 186, 189, 190, ...
[ "nonn" ]
A056713
[ 0, 5, 12, 15, 84, 144, 150, 1235, 1727, 1812, 8687, 12390, 28608, 42959, 51111, 96798, 99143 ]
[ "hard", "nonn" ]
A102439
[ 4, 104, 204, 304, 404, 504, 604, 704, 804, 904, 1004, 1104, 1204, 1304, 1404, 1504, 1604, 1704, 1804, 1904, 2004, 2104, 2204, 2304, 2404, 2504, 2604, 2704, 2804, 2904, 3004, 3104, 3204, 3304, 3404, 3504, 3604, 3704, 3804, 3904, 4004, ...
[ "easy", "nonn" ]
A351552
[ 1, 2, 10, 20, 24, 34, 40, 106, 120, 160, 216, 224, 260, 340, 408, 440, 480, 520, 580, 672, 680, 696, 792, 820, 1060, 1120, 1272, 1392, 1450, 1640, 1666, 1760, 1780, 1940, 2080, 2120, 2136, 2320, 2340, 2464, 2720, 2900, 3040, 3320,...
[ "nonn" ]
A342727
[ 2, 21, 26, 31, 36, 41, 46, 51, 310, 315, 325, 330, 335, 340, 345, 350, 355, 360, 365, 370, 375, 390, 395, 405, 410, 415, 420, 425, 430, 435, 455, 470, 475, 485, 490, 495, 535, 550, 555, 565, 570, 575, 580, 585, 590, 595, 600...
[ "nonn", "base" ]
A257876
[ 0, 1, 4, 3, 7, 5, 2, 8, 13, 9, 16, 11, 19, 12, 6, 15, 25, 17, 28, 18, 30, 21, 10, 23, 37, 24, 39, 27, 43, 29, 14, 31, 49, 33, 52, 35, 55, 36, 57, 34, 56, 38, 61, 41, 20, 44, 22, 47, 73, 48, 75, 51, 79, 53, 26...
[ "nonn", "easy" ]
A032198
[ 1, 3, 6, 13, 25, 58, 121, 283, 646, 1527, 3601, 8678, 20881, 50823, 124054, 304573, 750121, 1855098, 4600201, 11442085, 28527446, 71292603, 178526881, 447919418, 1125750145, 2833906683, 7144450566, 18036423973 ]
[ "nonn" ]
A140461
[ 1, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, 97, 101, 103, 107, 109, 113, 127, 131, 137, 139, 149, 151, 157, 163, 167, 173, 179, 181, 191, 193, 197, 199, 211, 223, 227, 229, 233, 239...
[ "nonn", "easy" ]
A177168
[ 1, 6, 10, 54, 226, 1198, 6186, 34182, 190962, 1096286, 6377338, 37652278, 224654146, 1353562766, 8220739274, 50284009702, 309467901842, 1915015423678, 11907759661850, 74365628891286, 466240095217378, 2933473106737902 ]
[ "easy", "nonn" ]
A162819
[ 16, 24, 48, 80, 96, 144, 208, 240, 336, 528, 720, 1104, 2256 ]
[ "nonn", "fini", "full" ]
A099563
[ 0, 1, 1, 1, 2, 2, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2...
[ "nonn" ]
A128485
[ 1, 1, 1, 2, 3, 5, 8, 39, 235, 1096, 51909, 2491235, 348410728, 6071656665789, 15126791566796829000, 1.3175846443805656e+27, 7.999921680639176e+39 ]
[ "nonn" ]
A120899
[ 1, 2, 5, 16, 54, 186, 654, 2338, 8463, 30938, 114022, 423096, 1579049, 5922512, 22309350, 84354388, 320020227, 1217689680, 4645693038, 17766596202, 68092473570, 261486788434, 1005962436536, 3876412305114, 14960183283203 ]
[ "nonn" ]
A202101
[ 0, 1, 2, 4, 5, 6, 11, 13, 14, 15, 16, 21, 22, 23, 25, 26, 28, 32, 34, 35, 36, 37, 40, 43, 44, 47, 51, 54, 55, 56, 57, 58, 62, 67, 69, 70, 71, 74, 76, 78, 81, 83, 89, 93, 95, 96, 99, 100, 102, 104, 107, 112, 116, ...
[ "nonn", "easy" ]
A092846
[ 1, 11, 121, 1331, 14641, 10510100501, 1061520150601, 107213535210701, 10828567056280800, 1.0090360841261261e+27, 1.0100451202102523e+30, 1.0110551653304625e+33, 1.012066220495793e+36 ]
[ "nonn", "base" ]
A106098
[ 41, 43, 241, 401, 421, 431, 433, 443, 1423, 1433, 2141, 2143, 2243, 2341, 2411, 2423, 2441, 3041, 3343, 3413, 3433, 4001, 4003, 4013, 4021, 4111, 4133, 4201, 4211, 4231, 4241, 4243 ]
[ "nonn", "base" ]
A034627
[ 1, 0, 0, 6528, 669222, 23794560, 439895808, 5182455168, 43880737824, 288930474624, 1559447873280, 7163528367744, 28827315287526, 103769713225728, 339536635723008, 1024167365758080, 2876670341074278 ]
[ "nonn" ]
A379060
[ 0, 4, 3, 9, 8, 16, 15, 14, 13, 17, 18, 19, 20, 26, 27, 28, 29, 30, 31, 37, 38, 39, 40, 41, 42, 53, 54, 55, 56, 57, 58, 59, 60, 78, 77, 76, 75, 79, 80, 81, 74, 92, 93, 94, 95, 96, 97, 98, 99, 100, 91, 113, 114, ...
[ "nonn" ]
A376212
[ -1, 3, 4, 7, -1, 6, 13, -1, 10, 19, -1, 12, -1, -1, 25, 21, -1, 18, 37, -1, 26, 43, -1, 24, -1, -1, 34, 39, -1, 38, 61, -1, -1, 67, -1, 30, 73, -1, -1, 57, -1, 52, -1, -1, 50, -1, -1, 42, 97, -1, 101, 103, -1, ...
[ "sign", "look" ]
A021952
[ 0, 0, 1, 0, 5, 4, 8, 5, 2, 3, 2, 0, 6, 7, 5, 1, 0, 5, 4, 8, 5, 2, 3, 2, 0, 6, 7, 5, 1, 0, 5, 4, 8, 5, 2, 3, 2, 0, 6, 7, 5, 1, 0, 5, 4, 8, 5, 2, 3, 2, 0, 6, 7, 5, 1, 0, 5, 4, 8, 5, 2, 3, 2, 0...
[ "nonn", "cons" ]
A111008
[ 1, 1, 1, 1, 1, 5, 1, 7, 1, 1, 1, 11, 1, 13, 7, 5, 1, 17, 1, 19, 1, 1, 11, 23, 1, 25, 13, 1, 7, 29, 1, 31, 1, 11, 629, 35, 1, 37, 19, 13, 1, 41, 1, 43, 11, 5, 23, 47, 1, 49, 1, 1003, 481, 53, 1, 5, 7, 19...
[ "nonn" ]
A144337
[ 1, 2, 1, 3, 2, 3, 4, 3, 6, 5, 5, 4, 9, 10, 7, 6, 5, 12, 15, 14, 9, 7, 6, 15, 20, 21, 18, 11, 8, 7, 18, 25, 28, 27, 22, 13, 9, 8, 21, 30, 35, 36, 33, 26, 15, 10, 9, 24, 35, 42, 45, 44, 39, 30, 17, 11, 10, ...
[ "nonn", "tabl" ]
A045452
[ 5, 11, 19, 47, 53, 61, 67, 89, 103, 109, 131, 137, 151, 173, 179, 193, 229, 257, 263, 271, 277, 313, 347, 383, 389, 397, 431, 439, 467, 487, 509, 523, 557, 571, 593, 599, 607, 613, 641, 677, 683, 691, 719, 733 ]
[ "nonn", "easy" ]
A277715
[ 9, 21, 45, 93, 189, 381, 657, 765, 873, 1317, 1533, 1749, 2457, 2637, 3069, 3501, 4329, 4917, 5241, 5277, 5745, 6141, 6345, 7005, 8661, 9561, 9837, 10017, 10485, 10557, 11493, 12285, 12693, 14013, 15129, 17325, 17985, 19125, 19677, 20037,...
[ "nonn" ]
A139666
[ 1321, 1489, 1609, 2161, 2281, 2689, 3001, 3169, 3529, 4129, 4801, 5281, 5449, 5569, 5641, 6121, 6361, 6961, 7129, 7489, 7561, 7681, 8089, 8209, 8761, 9001, 9241, 9601, 9769, 10321, 10729, 12049, 12241, 12409, 12721, 12841, 13249, 13729 ]
[ "nonn", "easy" ]
A257732
[ 1, 4, 2, 9, 6, 16, 7, 12, 3, 26, 14, 21, 23, 8, 13, 39, 24, 33, 35, 15, 53, 22, 56, 36, 17, 49, 51, 25, 75, 34, 37, 78, 5, 52, 27, 69, 101, 72, 38, 102, 50, 54, 43, 106, 10, 74, 40, 94, 73, 134, 83, 98, 55, 135...
[ "nonn", "look" ]
A090005
[ 1053, 52812, 6424326, 1139448384, 249787892583, 62660964509532, 17256453900822008, 5088842568426163000, 1.5812507179765578e+21, 5.120452419072091e+23 ]
[ "nonn" ]
A059052
[ 2, 4, 4, 72, 38040, 4020463392, 18438434825136728000, 3.4028236359361023e+38, 1.157920892373162e+77 ]
[ "nonn" ]
A190216
[ 12, 80, 70, 21, 50, 40, 30, 20, 10, 171, 152, 133, 114, 207, 216, 132, 234, 243, 150, 224, 270, 408, 140, 112, 306, 315, 324, 204, 342, 351, 102, 644, 918, 111, 506, 405, 120, 423, 322, 441, 230, 715, 660, 605, 550, 312, 440...
[ "nonn", "base", "less" ]
A073298
[ 0, 1, 2, 3, 5, 4, 6, 8, 7, 13, 12, 11, 9, 10, 15, 14, 19, 22, 21, 16, 20, 17, 18, 35, 36, 34, 32, 31, 33, 30, 28, 24, 23, 29, 25, 27, 26, 41, 40, 39, 37, 38, 52, 51, 60, 63, 64, 56, 62, 59, 58, 43, 42, 53, 61...
[ "nonn" ]
A322172
[ 7, 11, 13, 29, 43, 53, 59, 61, 67, 71, 73, 79, 83, 89, 97, 107, 109, 113, 127, 151, 157, 173, 179, 181, 193, 197, 211, 229, 239, 257, 269, 271, 277, 281, 283, 307, 337, 347, 349, 353, 359, 367, 373, 379, 383, 389, 397, 401...
[ "nonn", "base", "easy" ]
A140627
[ 97, 313, 337, 433, 457, 937, 1033, 1753, 1873, 1993, 2113, 2137, 2593, 2713, 2857, 3217, 3457, 3697, 3793, 4177, 4297, 4513, 4657, 5113, 5737, 5857, 5953, 6217, 6553, 6577, 7057, 7393, 7417, 7873, 8233, 8377, 8713, 8737, 9337, 9697, 981...
[ "nonn", "easy" ]
A145416
[ 1, 92, 5320, 301384, 17066492, 966656134, 54756073582, 3101696069920, 175698206778318, 9952578156814524, 563772503196695360, 31935387285412940000, 1.8090079887825523e+21, 1.0247284226311713e+23, 5.804663918990467e+24, 3.288102727352988e+26 ]
[ "nonn" ]
A123668
[ 1, 5, 100, 4833, 434176, 64896625, 14555276100, 4566338422401, 1907710008707584, 1023456789876543200, 685593403921020900000, 5.608062137710949e+23, 5.500497122864172e+26 ]
[ "base", "nonn" ]
A173443
[ 1, 7, 3, 79, 41, 33, 239, 2629, 9, 2981, 21649, 813, 3000811, 51139, 13947, 5165039 ]
[ "base", "hard", "more", "nonn" ]
A206125
[ 6386, 93582, 1622095, 31537842, 619611200, 12251680342, 242348711498, 4795824388008, 94904217919185, 1878104997610024, 37166726586652990, 735509641479756800, 14555377036628179000, 288043173418928050000 ]
[ "nonn" ]
A210451
[ 0, 0, 0, 0, 3, 0, 5, 0, 7, 7, 9, 0, 11, 11, 13, 0, 15, 15, 17, 15, 19, 20, 0, 22, 22, 24, 22, 26, 26, 28, 0, 30, 30, 32, 30, 34, 35, 30, 37, 37, 39, 40, 0, 42, 42, 44, 42, 46, 46, 48, 42, 50, 51, 50, 53, 54...
[ "nonn" ]
A208627
[ 1, 1, 430, 1386529, 13675362559, 278635710716650, 9490918987253895000, 4.750929427739852e+23, 3.210406349261628e+28, 2.760236523281606e+33, 2.8923843998148494e+38, 3.5765166865735045e+43 ]
[ "nonn", "walk" ]
A120082
[ 1, -1, 1, 0, -1, 0, 1, 0, -1, 0, 1, 0, -691, 0, 1, 0, -3617, 0, 43867, 0, -174611, 0, 77683, 0, -236364091, 0, 657931, 0, -3392780147, 0, 1723168255201, 0, -7709321041217, 0, 151628697551, 0, -26315271553053480000, 0, 154210205991661, 0, ...
[ "sign", "frac" ]
A131798
[ 2, 3, 4, 4, 4, 6, 6, 6, 6, 6, 6, 8, 8, 8, 8, 8, 8, 9, 9, 9, 9, 9, 9, 10, 10, 10, 10, 10, 10, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12,...
[ "nonn" ]
A145211
[ 1, 4, 14, 54, 197, 792 ]
[ "nonn" ]
A327144
[ 0, 1, 1, 0, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 1, 1, 1, 1, 1, 1, 0, 0, 1, 1, 1, 1, 1, 0, 1, 0, 1, 1, 1, 1, 1, 0, 1, 0, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 1, 1, 1, 1, 2, 2, 2, 2...
[ "nonn" ]
A326681
[ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 2, 2, 4, 4, 6, 8, 8, 11, 15, 18, 19, 25, 24, 32, 34, 42, 44, 59, 53, 74, 73, 92, 87, 120, 109, 150, 138, 180, 163, 229, 190, 273, 238, 321, 277...
[ "nonn" ]
A018666
[ 1, 2, 4, 8, 103, 206, 412, 824 ]
[ "nonn", "fini", "full", "easy" ]
A249045
[ 3, 9, 42, 75, 108, 132, 165, 198, 222, 255, 288, 312, 345, 378, 411, 435, 468, 501, 525, 558, 591, 615, 648, 681, 714, 738, 771, 804, 828, 861, 894, 918, 951, 984, 1032, 1065, 1098, 1122, 1155, 1188, 1212, 1245, 1278, 1311, 1335...
[ "nonn", "base" ]
A081094
[ 2, -2, 3, -4, 5, -5, 5, -5, 7, -9, 11, -10, 10, -10, 14, -16, 20, -19, 21, -19, 26, -28, 36, -31, 37, -33, 48, -46, 63, -52, 68, -53, 82, -70, 107, -78, 117, -82, 145, -104, 181, -113, 202, -113, 244, -141, 306, -149, 34...
[ "sign" ]
A198112
[ 8, 7, 0, 3, 1, 6, 3, 4, 1, 1, 7, 7, 4, 8, 7, 5, 3, 8, 6, 7, 2, 4, 0, 5, 2, 9, 2, 3, 4, 8, 1, 5, 0, 6, 1, 5, 2, 5, 6, 1, 6, 0, 7, 0, 2, 9, 9, 6, 8, 3, 2, 4, 5, 5, 8, 8, 1, 6, 7, 6, 2, 7, 6, 7...
[ "nonn", "cons" ]
A107335
[ 1, 1, 3, 2, 3, 1, 1, 1, 3, 2, 3, 1, 1, 3, 1, 1, 1, 3, 2, 3, 1, 1, 1, 3, 2, 3, 1, 1, 1, 3, 2, 3, 1, 1, 3, 1, 1, 1, 3, 2, 3, 1, 1, 1, 3, 2, 3, 1, 1, 1, 1, 3, 2, 3, 1, 1, 1, 3, 2, 3, 1, 1, 1, 3...
[ "nonn", "uned" ]
A268441
[ 1, 0, 1, 0, 1, 1, 0, 1, 3, 1, 0, 1, 3, 4, 6, 1, 0, 1, 10, 5, 15, 10, 10, 1, 0, 1, 10, 15, 6, 15, 60, 15, 45, 20, 15, 1, 0, 1, 35, 21, 7, 105, 70, 105, 21, 105, 210, 35, 105, 35, 21, 1, 0, 1, 35, 56, 28, ...
[ "nonn", "tabf" ]
A281457
[ 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 1, 0, 0, 1, 0, 0, 0, 1, 0, 0, 1, 0, 0, 0, 1, 0, 0, 2, 0, 0, 1, 1, 0, 0, 2, 0, 0, 1, 1, 0, 0, 3, 0, 0, 2, 1, 0, 0, 3, 0, 0, 3, 1, 0, 1, 4, 0, 0, 4, 1, 0, 1, 4, 0...
[ "nonn" ]
A352199
[ 0, 1, 2, 5, 10, 4, 8, 20, 9, 6, 33, 18, 32, 14, 96, 3, 48, 7, 16, 11, 80, 12, 64, 13, 66, 17, 34, 21, 40, 65, 42, 68, 24, 69, 26, 36, 130, 37, 74, 49, 72, 52, 136, 19, 128, 22, 160, 15, 192, 23, 224, 25, 288, 2...
[ "nonn", "base" ]
A080084
[ 1, 2, 5, 8, 16, 20, 29, 33, 41, 56, 60, 76, 85, 89, 98, 114, 129, 134, 151, 160, 166, 180, 192, 207, 229, 240, 244, 254, 260, 271, 308, 321, 338, 342, 369, 374, 391, 409, 418, 435, 451, 457, 484, 492, 502, 507, 541, 572, ...
[ "nonn" ]
A268615
[ 2, 1, 3, 4, 7, 11, 18, 29, 7, 36, 3, 39, 2, 1, 3, 4, 7, 11, 18, 29, 7, 36, 3, 39, 2, 1, 3, 4, 7, 11, 18, 29, 7, 36, 3, 39, 2, 1, 3, 4, 7, 11, 18, 29, 7, 36, 3, 39, 2, 1, 3, 4, 7, 11, 18, 29, 7, 36, 3,...
[ "nonn", "easy" ]
A232168
[ 4, 8, 10, 16, 32, 44, 50, 64, 110, 128, 130, 135, 136, 152, 154, 170, 184, 225, 232, 250, 256, 315, 405, 484, 495, 512, 525, 592, 656, 675, 676, 688, 735, 752, 848, 850, 884, 944, 950, 988, 1012, 1024, 1078, 1125, 1150, 1155, ...
[ "nonn" ]
A095397
[ 1, 2, 36, 4, 36, 36, 36, 8, 140, 10, 36, 36, 46, 36, 58, 36, 70, 36, 82, 36, 96, 36, 110, 24, 52214, 26, 140, 140, 156, 140, 172, 32, 2598, 34, 2978, 36, 86818724, 38, 233046, 40, 262, 42, 4710, 44, 5222, 46, 322, 48, 63...
[ "nonn" ]
A134427
[ 3, 5, 8, 9, 11, 12, 13, 15, 17, 19, 21, 22, 23, 25, 27, 28, 29, 30, 31, 33, 34, 35, 37, 39, 42, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 55, 58, 59, 60, 61, 62, 63, 64, 65, 67, 69, 71, 72, 73, 75, 76, 77, 78, 79...
[ "nonn" ]
A335359
[ 0, 0, 1, 0, 0, 1, 2, 2, 3, 2, 2, 1, 0, 0, 1, 0, 0, 1, 2, 2, 3, 4, 4, 5, 6, 6, 7, 6, 6, 7, 8, 8, 9, 8, 8, 7, 6, 6, 7, 6, 6, 5, 4, 4, 3, 2, 2, 1, 0, 0, 1, 0, 0, 1, 2, 2, 3, 2, 2, 1, 0, 0, 1, 0...
[ "nonn", "base" ]
A171051
[ 9, 3, 5, 7, 11, 13, 17, 12, 93, 92, 31, 37, 41, 43, 47, 53, 52, 61, 67, 71, 73, 72, 83, 82, 27, 101, 103, 107, 102, 113, 197, 131, 137, 132, 142, 151, 157, 163, 167, 173, 172, 181, 121, 123, 127, 122, 911, 993, 997, 99...
[ "nonn", "base", "easy" ]
A013035
[ 2, 18, 682, 55762, 7861330, 1695960882, 519152347066, 213968420883442, 114231299480266660, 76681416778961130000, 6.3215479683812224e+22, 6.278561346040585e+25, 7.394324706326052e+28 ]
[ "nonn" ]
A146920
[ 1, 1, 1, 1, 1, 3, 7, 14, 36, 103, 399, 1984, 10103, 56582, 376480, 2975286, 28776438, 327464795, 4166314264, 60832319172, 1046036183155, 21253950128628, 511485269059218, 14299334912458272, 459782981526945150 ]
[ "nonn" ]