id
stringlengths
7
11
seq
listlengths
1
347
keywords
listlengths
1
8
A311455
[ 1, 4, 8, 12, 17, 21, 26, 29, 33, 37, 42, 47, 52, 55, 58, 62, 66, 72, 76, 80, 83, 87, 92, 98, 102, 106, 109, 112, 117, 121, 126, 130, 134, 138, 143, 147, 152, 156, 160, 164, 167, 171, 175, 180, 185, 190, 193, 197, 201, ...
[ "nonn" ]
A383541
[ 1, 6, 19, 22, 710, 1146408, 10838702, 80143857, 245850922, 411557987, 1068966896 ]
[ "nonn", "more" ]
A270850
[ 0, 0, 0, 0, 0, 0, 0, 6, 0, 0, 0, 24, 30, 0, 0, 0, 66, 270, 252, 0, 0, 0, 120, 1650, 6822, 2298, 0, 0, 0, 198, 7344, 108348, 307494, 28440, 0, 0, 0, 288, 24954, 1144464, 15754872, 27582438, 460494, 0, 0, 0, 402, 68838, 85...
[ "nonn", "tabl" ]
A276237
[ 1, 1, 2, 1, 3, 4, 1, 2, 9, 8, 1, 5, 4, 27, 16, 1, 2, 25, 8, 81, 32, 1, 7, 3, 125, 16, 243, 64, 1, 2, 49, 4, 625, 32, 729, 128, 1, 3, 4, 343, 6, 3125, 64, 2187, 256, 1, 2, 9, 8, 2401, 8, 15625, 128, 6561, 512,...
[ "nonn", "tabl" ]
A289062
[ 1, -264, 30564, -2012800, 81099090, -1952940672, 22697326712, 63468624384, -4486982088465, 11373493964160, 616923039055284, -663002527580928, -77516928995402220, -352040146340083200, 5929423960701096000, 87636971447313810000, 269600086946598200000 ]
[ "sign" ]
A282802
[ 1, 1, 7, 4, 31, 20, 127, 84, 511, 340, 2047, 1364, 8191, 5460, 32767, 21844, 131071, 87380, 524287, 349524, 2097151, 1398100, 8388607, 5592404, 33554431, 22369620, 134217727, 89478484, 536870911, 357913940, 2147483647, 1431655764, 8589934591, 5726623...
[ "nonn", "easy" ]
A160304
[ 1, 12, -1778, -67464, 9442380, 631971792, -83157610296, -8285790028896, 1019373008575632, 139634783587212480, -15957496899294732000, -2.875270503337761e+21, 3.028701534048361e+23, 6.9949680729840145e+25, -6.728117484215153e+27 ]
[ "sign", "frac" ]
A242577
[ 7, 35, 159, 723, 3453, 17634, 96472, 563256, 3492837, 22901243, 158134009, 1145995500, 8690227115, 68774540753, 566710394107, 4852093593696, 43084515133226, 396100229113680, 3764573877643410, 36935721134238870 ]
[ "nonn" ]
A275902
[ 0, 2, 1, 4, 3, 8, 5, 10, 7, 6, 12, 14, 9, 18, 11, 13, 21, 24, 15, 26, 17, 16, 28, 30, 19, 20, 34, 36, 22, 38, 23, 40, 25, 27, 44, 47, 29, 31, 50, 52, 32, 33, 55, 57, 35, 37, 59, 62, 39, 65, 41, 42, 69, 43, 71...
[ "nonn" ]
A025286
[ 325, 425, 650, 725, 845, 850, 925, 1025, 1250, 1300, 1325, 1445, 1450, 1525, 1690, 1700, 1825, 1850, 2050, 2225, 2425, 2525, 2600, 2650, 2725, 2825, 2873, 2890, 2900, 2925, 3050, 3125, 3380, 3400, 3425, 3650, 3700, 3725, 3757, 3825, 392...
[ "nonn" ]
A316134
[ 2, 6, 5, 5, 4, 4, 2, 3, 8, 1, 5, 4, 9, 8, 3, 0, 7, 8, 3, 0, 9, 3, 7, 7, 9, 6, 6, 3, 5, 3, 8, 2, 7, 7, 0, 7, 3, 3, 0, 8, 4, 6, 1, 5, 5, 6, 6, 1, 7, 6, 9, 2, 1, 0, 8, 3, 8, 3, 8, 7, 9, 4, 9, 0...
[ "nonn", "cons" ]
A000007
[ 1, 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, 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, 0, 0, 0, 0, 0, 0, 0, 0, 0...
[ "core", "nonn", "mult", "cons", "easy" ]
A266880
[ 2, 7, 76, 943, 12549, 205452, 3751651, 72345624, 1439333469, 29337850346, 606171318095, 12663996785919, 266620124227464, 5654752201437201, 120600246762266930, 2585771905289878500, 55681094061639380000 ]
[ "nonn" ]
A256397
[ 17, 23, 41, 47, 71, 89, 113, 137, 167, 191, 233, 239, 257, 263, 281, 311, 353, 359, 383, 401, 431, 449, 479, 503, 521, 569, 593, 599, 617, 641, 647, 719, 743, 761, 809, 839, 857, 863, 881, 887, 911, 929, 953, 977, 983, 1031, ...
[ "nonn" ]
A024838
[ 10, 25, 46, 73, 121, 166, 235, 295, 385, 460, 571, 661, 793, 937, 1054, 1219, 1396, 1537, 1735, 1945, 2110, 2341, 2584, 2773, 3037, 3313, 3601, 3826, 4135, 4456, 4789, 5047, 5401, 5767, 6145, 6436, 6835, 7246, 7669, 7993, 8437, 8893, ...
[ "nonn" ]
A202602
[ 2, 20, 45, 3240, 42525, 8292375, 1915538625, 312615903600, 488462349375, 769328200265625, 96473756313309380, 8682638068197844000, 9.086380738369044e+21, 5.270100828254045e+23, 5.081882941530686e+24, 3.371242960596972e+28, 2.1652861427859243e+31 ]
[ "nonn", "frac" ]
A085462
[ 1, 14, 77, 273, 748, 1729, 3542, 6630, 11571, 19096, 30107, 45695, 67158, 96019, 134044, 183260, 245973, 324786, 422617, 542717, 688688, 864501, 1074514, 1323490, 1616615, 1959516, 2358279, 2819467, 3350138, 3957863, 4650744, 5437432, 6327145, 732968...
[ "nonn", "easy" ]
A233602
[ 15272, 341849, 342185, 7655432, 20463326, 7610545, 171455430, 1228836823, 1210323458, 169129037, 3839022704, 73856970690, 193816724926, 71466955645, 3756984641, 85958825311, 4437742405449, 31089670720384, 30486088122553 ]
[ "nonn", "tabl" ]
A169924
[ 0, 1, 3, 6, 9, 11, 15, 21, 27, 31, 36, 51, 63, 81, 111, 171, 351 ]
[ "nonn", "fini", "full" ]
A328936
[ 4, 11, 25, 63, 134, 268, 508, 1013, 1901, 3773, 7208, 13834, 26353, 50343, 96122, 184354, 354218 ]
[ "nonn", "more" ]
A129192
[ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 4, 1, 2, 1, 1, 1, 1, 1, 1, 1, 3, 1, 1, 2, 1, 1, 3, 1, 2, 1, 2, 2, 1, 7, 4, 1, 2, 2, 3, 2, 1, 6, 4, 5, 1, 2, 1, 1, 3, 7, 1, 3, 1, 1, 1, 3...
[ "nonn" ]
A366837
[ 0, 1, -6, 41, -314, 2630, -23532, 220869, -2147042, 21429482, -218310836, 2260625674, -23722964740, 251724659212, -2696226815960, 29112495523245, -316541381682162, 3462842349049666, -38086918804472290, 420921653789328000, -4671874553638733000 ]
[ "sign" ]
A101790
[ 3, 45, 90, 180, 255, 258, 363, 378, 453, 483, 615, 675, 705, 873, 885, 978, 1350, 1533, 1770, 1788, 2673, 2793, 2868, 3030, 3225, 3240, 4203, 4290, 4548, 4830, 4998, 5103, 5253, 5295, 5568, 5775, 5955, 6060, 6138, 6870, 7383, 7713, ...
[ "easy", "nonn" ]
A386551
[ 1, 2, 4, 8, 16, 26, 32, 34, 38, 46, 52, 54, 58, 62, 64, 68, 76, 86, 92, 94, 98, 102, 104, 108, 112, 114, 116, 118, 122, 124, 126, 128, 132, 134, 136, 138, 142, 144, 146, 148, 152, 154, 156, 158, 162, 164, 166, 168, 172, ...
[ "nonn", "base" ]
A152768
[ 1, 2, 4, 8, 12, 16, 28, 32, 36, 40, 60, 88, 92, 112, 140, 208, 256, 260, 296, 364, 488, 672, 704, 708, 744, 956, 1216, 1648, 2048, 2052, 2096, 2108, 2396, 3128, 4080, 5344, 5952, 5956, 6000, 6300, 7920, 10336, 13504, 16640, 1664...
[ "nonn" ]
A074479
[ 2, 3, 31, 13, 71, 31, 19531, 313, 829, 521, 12207031, 601, 305175781, 19531, 1741, 11489, 466344409, 5167, 3981071, 9161, 519499, 12207031, 332207361361, 390001, 9384251, 305175781, 31051, 234750601, 22125996444329, 7621 ]
[ "nonn" ]
A147900
[ 1, 2, 6, 16, 74, 368, 1776, 9208, 53466, 314212, 2134376, 14852630, 117199526, 945570742, 8407963796, 76231574308 ]
[ "nonn" ]
A345761
[ 1, 0, 0, 1, 2, 1, 3, 31, 99 ]
[ "nonn", "more", "hard" ]
A193688
[ 0, 7, 16, 17, 106, 107, 46, 47, 61, 62, 156, 157, 158, 159, 129, 130, 224, 225, 177, 178, 303, 304, 473, 474, 444, 445, 384, 385, 448, 449, 450, 451, 527, 528, 529, 530, 531, 532, 533, 534, 535, 536, 586, 587, 588, 589, 590,...
[ "nonn" ]
A367415
[ 1, 1, 2, 5, 15, 52, 198, 793, 3255, 13529, 56696, 239340, 1017900, 4361840, 18828606, 81833505, 357865215, 1573549667, 6952392450, 30848928525, 137403484655, 614104910096, 2753200345000, 12378494389660, 55799811151140, 252141767612812, 1141894552992368 ]
[ "nonn" ]
A107386
[ 0, 1, 1, 2, 2, 7, 9, 16, 20, 29, 35, 46, 54, 67, 77, 92, 104, 121, 135, 154, 170, 191, 209, 232, 252, 277, 299, 326, 350, 379, 405, 436, 464, 497, 527, 562, 594, 631, 665, 704, 740, 781, 819, 862, 902, 947, 989, 1036, 10...
[ "nonn", "easy" ]
A156995
[ 2, 1, 2, 2, 4, 2, 6, 12, 9, 2, 24, 48, 40, 16, 2, 120, 240, 210, 100, 25, 2, 720, 1440, 1296, 672, 210, 36, 2, 5040, 10080, 9240, 5040, 1764, 392, 49, 2, 40320, 80640, 74880, 42240, 15840, 4032, 672, 64, 2, 362880, 725760, ...
[ "nonn", "tabl" ]
A104752
[ 1, 2, 6, 9, 4, 1, 5, 4, 0, 7, 3, 0, 9, 7, 9, 2, 2, 7, 9, 9, 8, 6, 4, 1, 9, 9, 0, 9, 6, 1, 3, 6, 7, 7, 7, 9, 2, 6, 2, 4, 2, 1, 4, 2, 1, 9, 9, 0, 2, 3, 4, 7, 6, 2, 5, 4, 7, 6, 6, 3, 8, 5, 7, 6...
[ "cons", "nonn" ]
A303568
[ 1, 2, 2, 32, 62, 1764, 3916, 173376, 393446, 25166076, 56406348, 4958003840, 10882283500, 1264942740680, 2721161685880, 405344510959872, 857860989902854, 159511701001085150, 333452808033317000, 75711389658286210000, 156849644184430440000 ]
[ "nonn" ]
A185706
[ 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 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, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0...
[ "base", "nonn" ]
A132598
[ 1, 2, 3, 69, 4, 8, 57, 6, 193, 91, 43, 14, 610, 9, 23, 21, 190, 11, 36, 596, 12, 191, 64, 13, 33, 123, 28, 49, 22, 26, 73, 85, 5099, 127, 155, 37, 34, 63, 433, 20, 76, 226, 143, 104, 365, 909, 140, 1729, 2481, 144, 1...
[ "nonn" ]
A337030
[ 0, 0, 0, 1, 2, 2, 4, 4, 6, 7, 8, 11, 13, 14, 15, 16, 19, 19, 22, 24, 24, 27, 28, 31, 35, 35, 36, 38, 38, 40, 46, 48, 50, 51, 56, 56, 58, 61, 63, 64, 67, 67, 73, 73, 75, 75, 82, 90, 91, 91, 93, 96, 96, 99, 102...
[ "nonn" ]
A368805
[ 2, 3, 5, 7, 23, 227, 277, 2777, 5333, 5573, 23537, 23753, 25373, 225527, 25737557, 27775337, 27775357, 35275777, 35277233, 37333757, 227773753, 227775533, 232372577, 233752577, 252777737, 337777277, 25322233723, 25322237323, 25322237357, 25322237723, 25322...
[ "nonn", "base" ]
A089481
[ 9, 0, 1, 265, 0, 63, 0, 9, 0, 1, 27713, 0, 9360, 0, 3582, 0, 1248, 0, 648, 0, 288, 0, 48, 0, 72, 0, 0, 0, 16, 0, 0, 0, 0, 0, 1, 10363361, 0, 3645600, 0, 2411250, 0, 1404800, 0, 1043700, 0, 682200, 0, 417100, 0, 336600,...
[ "nonn", "tabf" ]
A085530
[ 1, 9, 625, 117649, 43046721, 25937424601, 23298085122481, 29192926025390624, 48661191875666870000, 1.0412735029791125e+23, 2.7821842944695156e+26, 9.078464347759962e+29, 3.552713678800501e+33, 1.6423203268260657e+37 ]
[ "nonn", "easy" ]
A247645
[ 1, 1, 1, 1, 1, 2, 4, 1, 1, 1, 3, 9, 5, 7, 1, 1, 1, 4, 16, 14, 26, 8, 10, 1, 1, 1, 5, 25, 30, 70, 34, 52, 11, 13, 1, 1, 1, 6, 36, 55, 155, 104, 190, 63, 87, 14, 16, 1, 1, 1, 7, 49, 91, 301, 259, 553, 253, ...
[ "nonn", "tabf" ]
A368021
[ 1, 5, 406, 490614, 8755482505, 2318987094804471, 9.179129956137993e+21, 5.465801203899873e+29, 4.924601748837113e+38, 6.747075036368338e+48, 1.4116895048989991e+60 ]
[ "nonn" ]
A003551
[ 1, 3, 47, 141, 178481, 535443, 2796203, 8388607, 8388609, 25165821, 131421541, 394264623, 499069107643, 1497207322929, 23456248059221, 70368744177663 ]
[ "nonn", "fini", "full", "easy" ]
A330179
[ 4, 9, 13, 18, 22, 27, 33, 37, 42, 46, 51, 55, 61, 66, 70, 75, 79, 84, 90, 94, 99, 103, 108, 112, 118, 123, 127, 132, 136, 141, 147, 151, 156, 160, 165, 169, 175, 180, 184, 189, 193, 198, 204, 208, 213, 217, 222, 226, 232...
[ "nonn", "easy" ]
A343922
[ 27, 7012, 34, 81, 15, 781, 48, 86, 150, 37, 355, 23, 37, 47, 56, 15, 37, 931, 55, 355, 44, 37, 14, 17, 27, 340, 811, 27, 37, 340, 31, 37, 37, 15, 778, 61, 14, 91, 22, 48, 44, 233, 63, 299, 606, 75, 37, 9111, 75, 37, ...
[ "nonn", "base" ]
A376728
[ 1, 0, 0, 0, 3, 1, 0, 0, 5, 10, 1, 0, 7, 35, 21, 1, 9, 84, 126, 36, 12, 165, 462, 330, 68, 287, 1287, 1716, 730, 533, 3004, 6435, 5022, 2045, 6293, 19449, 24329, 13345, 14008, 50524, 92400, 76912, 47481, 120156, 294124, 354488,...
[ "nonn" ]
A202258
[ 8, 6, 5, 5, 4 ]
[ "nonn" ]
A307505
[ 1, 0, 1, 0, 0, 1, 0, 0, 0, 2, 0, 0, 1, 0, 1, 0, 1, 0, 0, 0, 2, 1, 0, 0, 0, 1, 0, 2, 0, 0, 0, 0, 0, 0, 0, 5, 0, 0, 0, 0, 1, 0, 4, 0, 1, 0, 1, 0, 0, 0, 4, 0, 1, 0, 2, 1, 0, 1, 0, 5, 0, 0, 0, 1...
[ "nonn", "tabl", "look", "base" ]
A359484
[ 1, -3, -3, 2, -5, 9, -7, 0, 0, 15, -11, -6, -13, 21, 15, 0, -17, 0, -19, -10, 21, 33, -23, 0, 0, 39, 0, -14, -29, -45, -31, 0, 33, 51, 35, 0, -37, 57, 39, 0, -41, -63, -43, -22, 0, 69, -47, 0, 0, 0, 51, -26, -53,...
[ "sign", "mult" ]
A165403
[ 0, 1, 10, 21, 28, 136, 171, 190, 300, 325, 406, 465, 496, 2080, 2211, 2278, 2628, 2701, 2926, 3081, 3160, 4656, 4753, 5050, 5253, 5356, 6328, 6555, 6670, 7260, 7381, 7750, 8001, 8128, 32896, 33411, 33670, 34980, 35245, 36046, 36585, 3...
[ "nonn" ]
A100766
[ 40, 150, 160, 164, 232, 236, 332, 333, 356, 363, 364, 404, 405, 408, 414, 420, 423, 424, 425, 428, 608, 636, 637, 796, 812, 824, 825, 850, 884, 896, 904, 916, 920, 1014, 1220, 1256, 1280, 1292, 1300, 1336, 1492, 1519, 1520, 1521, ...
[ "nonn" ]
A244910
[ 84, 1341, 10484, 45207, 116272, 382743, 1019188, 2438447, 5021116, 9893555, 17949000, 33399751, 57424168, 91599865, 146569250, 199270525, 301571992, 442068299, 648265576, 928007973, 1281100472, 1762449201, 2375613576 ]
[ "nonn" ]
A251711
[ 0, 0, 0, 0, 1, 0, 0, 1, 2, 4, 8, 16, 31, 62, 124, 247, 492, 980, 1952, 3888, 7745, 15428, 30732, 61217, 121942, 242904, 483856, 963824, 1919903, 3824378, 7618024, 15174831, 30227720, 60212536, 119941216, 238918608, 475917313, 948010248, 188...
[ "nonn", "easy" ]
A159922
[ 643266, 8813528, 1644953, 440421, 2826655, 1339785, 2775232, 988180, 196973, 643136, 4122122, 3477939, 182124, 6195602, 130854, 4937610, 2725523, 6118932, 231670, 478208, 2405748, 3913626, 1033788, 2945487, 22952758, 7168835, 15528738, 2753214, 2407038, 3779...
[ "nonn" ]
A149125
[ 1, 1, 4, 9, 34, 103, 385, 1315, 5064, 18333, 72135, 271673, 1085490, 4201685, 16998626, 67093063, 274107736, 1098361379, 4522963271, 18339291269, 76016200380, 311165747469, 1296898322962, 5350452734537, 22404993004950, 93038032837111, 391181787324211, 1633395949...
[ "nonn", "walk" ]
A295611
[ 1, 0, 0, 6, -30, -280, 35070, -2508268, -47103462, 241470400824, -256752145545390, 128291714550379300, 2.203924344437376e+21, -3.7693423679943327e+25, 4.851637329308672e+29, 2.7101025121379606e+34 ]
[ "sign" ]
A157514
[ 24, 98, 222, 396, 620, 894, 1218, 1592, 2016, 2490, 3014, 3588, 4212, 4886, 5610, 6384, 7208, 8082, 9006, 9980, 11004, 12078, 13202, 14376, 15600, 16874, 18198, 19572, 20996, 22470, 23994, 25568, 27192, 28866, 30590, 32364, 34188, 36062 ]
[ "nonn", "easy" ]
A015914
[ 5, 7, 11, 13, 17, 23, 31, 37, 41, 47, 53, 61, 67, 73, 83, 97, 101, 103, 104, 107, 131, 147, 151, 157, 167, 173, 191, 193, 223, 227, 233, 251, 257, 263, 271, 277, 307, 311, 331, 347, 353, 367, 373, 383, 433, 443, 457, 461, ...
[ "nonn" ]
A002929
[ 1, 0, 0, -2, 0, -12, 14, -90, 192, -792, 2148, -7716, 23262, -79512, 252054, -846628, 2753520, -9205800, 30371124, -101585544, 338095596, -1133491188, 3794908752, -12758932158, 42903505030, -144655483440, 488092130664, -1650000819068, 5583090702798, -1891847...
[ "sign", "nice" ]
A093231
[ 0, 931, 1558992, 709920775022, 9994488877, 1.1101122202244404e+23, 888088055505507700000, 7.7707700555055e+23, 8.888000084444e+35, 88888888820000000000, 5.555550005522222e+43 ]
[ "base", "nonn" ]
A138340
[ 1, -4, -32, -64, 256, 2048, 4096, -16384, -131072, -262144, 1048576, 8388608, 16777216, -67108864, -536870912, -1073741824, 4294967296, 34359738368, 68719476736, -274877906944, -2199023255552, -4398046511104, 17592186044416 ]
[ "easy", "sign" ]
A027870
[ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 0, 0, 0, 0, 1, 0, 0, 1, 1, 1, 1, 0, 0, 1, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 1, 1, 2, 3, 1, 1, 1, 1, 1, 0, 1, 0, 2, 3, 2, 2, 2, 1, 1, 2, 2, 3, 2, 2...
[ "nonn", "base" ]
A346979
[ 83, 63, 23, 22, 23, 11, 29, 23, 3, 4, 54, 1, 9, 14, 6, 7, 3, 4, 7, 40, 0, 4, 19, 15, 8, 7, 10, 14, 5, 6, 2, 7, 0, 16, 9, 11, 12, 13, 4, 1, 34, 1, 8, 14, 5, 1, 13, 5, 5, 16, 6, 0, 9, 0, 24, 4, 6, 19, 2...
[ "nonn", "base" ]
A077576
[ 1, 23, 19, 263, 823, 678901, 50993, 1279, 211, 150866941, 353594393, 757819, 9012345678901, 213408443, 11904282563, 435503, 21339439879, 7403356241, 13212859242013, 27961, 205126079, 5201061865265117000, 54843374833199, 1.3842321854015812e+21, 12792129877 ]
[ "base", "nonn" ]
A224246
[ 1, 1, 3, 8, 41, 194, 1309, 9022, 79057, 689588, 7462601, 80632826, 1021071193, 13120783948, 192752054377, 2848878770774, 47617784530529, 800500650553472, 14910497765819136, 281133366288649150, 5803224036600350000, 120681837753825000000, 2.734647516979263e+21, 6.24242093...
[ "nonn" ]
A134848
[ 4, 5, 6, 8, 9, 10, 11, 13, 14, 14, 17, 18, 19, 21, 21, 23, 24, 26, 27 ]
[ "nonn", "base", "more" ]
A119111
[ 1, 3, 1431, 33411, 331441131, 1444343131, 13113334431, 31444341333441, 111413314441131, 444334341314331, 11114441143333343000, 331341331134344130000, 4.4433144331314334e+39 ]
[ "nonn", "base", "more" ]
A156500
[ 2, 6, 110, 4146, 819560, 482038068, 1640436725312, 24866331300024790 ]
[ "nonn" ]
A050683
[ 9, 9, 90, 90, 900, 900, 9000, 9000, 90000, 90000, 900000, 900000, 9000000, 9000000, 90000000, 90000000, 900000000, 900000000, 9000000000, 9000000000, 90000000000, 90000000000, 900000000000, 900000000000, 9000000000000 ]
[ "nonn", "easy", "base", "nice" ]
A209861
[ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 11, 13, 14, 15, 16, 17, 18, 21, 19, 22, 24, 27, 20, 23, 25, 28, 26, 29, 30, 31, 32, 33, 34, 38, 35, 39, 42, 48, 36, 40, 43, 49, 45, 51, 54, 58, 37, 41, 44, 50, 46, 52, 55...
[ "nonn", "look" ]
A166875
[ 17, 21, 23, 27, 31, 33, 37, 38, 39, 41, 43, 45, 47, 49, 53, 55, 57, 59, 61, 62, 63, 65, 66, 67, 69, 71, 73, 75, 77, 79, 81, 83, 85, 86, 87, 89, 90, 91, 93, 94, 95, 97, 98, 99 ]
[ "nonn", "fini", "full" ]
A002989
[ 1, 1, 1, 1, 1, 2, 4, 7, 14, 28, 61, 131, 297, 678, 1592, 3770, 9096, 22121, 54451, 135021, 337651, 849698, 2152048, 5479408, 14022947, 36048514, 93061268, 241160180, 627179689, 1636448181, 4282964600, 11241488853, 29584389474 ]
[ "nonn" ]
A107384
[ 0, 1, 1, 2, 5, 8, 20, 38, 83, 173, 362, 767, 1604, 3386, 7112, 14969, 31493, 66242, 139385, 293204, 616880, 1297766, 2730251, 5743937, 12084050, 25422563, 53483960, 112519838, 236719568, 498011393, 1047718217, 2204192882 ]
[ "nonn", "easy" ]
A230927
[ 2, 6, 102, 1242, 98296, 4092246, 1088383766, 159130979900, 148986525600652, 76371552378548290, 250772217069255850000 ]
[ "nonn" ]
A328923
[ 1, 2, 1, 6, 4, 1, 76, 60, 18, 2, 2124, 1776, 600, 96, 6, 97968, 84720, 31080, 6000, 600, 24, 6624720, 5876640, 2287440, 497280, 63000, 4320, 120, 615022560, 556466400, 226250640, 53373600, 7832160, 705600, 35280, 720, 74975211360, 68882446080...
[ "nonn", "tabl" ]
A033047
[ 0, 1, 11, 12, 121, 122, 132, 133, 1331, 1332, 1342, 1343, 1452, 1453, 1463, 1464, 14641, 14642, 14652, 14653, 14762, 14763, 14773, 14774, 15972, 15973, 15983, 15984, 16093, 16094, 16104, 16105, 161051, 161052, 161062, 161063, 161172 ]
[ "nonn", "base", "easy" ]
A041208
[ 10, 11, 32, 43, 75, 118, 193, 311, 815, 1126, 23335, 24461, 72257, 96718, 168975, 265693, 434668, 700361, 1835390, 2535751, 52550410, 55086161, 162722732, 217808893, 380531625, 598340518, 978872143, 1577212661, 4133297465, 5710510126, 118343499985 ]
[ "nonn", "cofr", "frac", "easy" ]
A198401
[ 1, 9, 320, 7073, 69632, 423393, 1941760, 7861953, 33554432, 177264449, 1173741824, 8804293473, 69149458432, 550571544609, 4399522300160, 35186934979457, 281479271677952, 2251806789442689, 18014409529442560, 144115205059418900 ]
[ "nonn", "easy" ]
A158903
[ 1, 4, -2, -152, -500, 8944, 80776, -642848, -12749168, 41573440, 2231658976, 1443416704, -436094810432, -2056157249792, 93821556641920, 893437853515264, -21758068879257344, -344342377329425400, 5280599567735046000, 132689328525674020000, -1.2752077380626895e+21 ]
[ "sign", "frac" ]
A130770
[ 1, 1, 7, 13, 7, 31, 43, 19, 73, 91, 37, 133, 157, 61, 211, 241, 91, 307, 343, 127, 421, 463, 169, 553, 601, 217, 703, 757, 271, 871, 931, 331, 1057, 1123, 397, 1261, 1333, 469, 1483, 1561, 547, 1723, 1807, 631, 1981, 2071, 7...
[ "easy", "nonn" ]
A388572
[ 8, 3, 7, 7, 4, 6, 9, 9, 8, 8, 5, 3, 1, 2, 3, 8, 4, 5, 1, 2, 8, 6, 0, 8, 6, 0, 2, 8, 9, 8, 3, 4, 4, 2, 3, 1, 2, 6, 0, 1, 9, 6, 1, 7, 9, 9, 6, 0, 7, 0, 4, 7, 8, 3, 6, 2, 3, 5, 9, 3, 6, 3, 0, 8...
[ "nonn", "cons" ]
A241470
[ 0, 0, 0, 0, 0, 1, 1, 4, 13, 60 ]
[ "nonn", "more" ]
A204408
[ 4293, 47883, 47883, 719125, 347247, 719125, 6579664, 3588983, 3588983, 6579664, 70193731, 45603178, 18913491, 45603178, 70193731, 852798050, 518498299, 316877238, 316877238, 518498299, 852798050, 8916413698, 5787193185 ]
[ "nonn", "tabl" ]
A333035
[ 5, 69, 397, 1417, 3717, 8009, 15361, 26777, 43697, 67597, 100245, 143177, 199009, 269197, 356789, 464577, 595521, 751129, 935825, 1151881, 1403953, 1695765, 2031485, 2413337, 2848373, 3337781, 3888917, 4505277, 5191557, 5952313, 6796713, 7725945, 87471...
[ "nonn" ]
A142186
[ 89, 409, 449, 569, 769, 809, 929, 1009, 1049, 1129, 1249, 1289, 1409, 1489, 1609, 1889, 2089, 2129, 2609, 2689, 2729, 2969, 3049, 3089, 3169, 3209, 3329, 3449, 3529, 3769, 3889, 3929, 4049, 4129, 4289, 4409, 4649, 4729, 4889, 4969, 5009...
[ "nonn", "easy" ]
A159295
[ 1, 747, 1842, 4025, 7856, 14124, 23936, 38654, 60090, 90407, 132374, 189223, 264972, 364230, 492596, 656404, 863206, 1121449, 1441050, 1832997, 2310024, 2886128, 3577352, 4401210, 5377586, 6528059, 7876926, 9450419, 11277860 ]
[ "nonn", "easy" ]
A313402
[ 1, 5, 10, 13, 18, 21, 29, 34, 41, 43, 46, 49, 52, 61, 66, 75, 76, 81, 82, 85, 93, 98, 107, 107, 114, 115, 120, 127, 132, 139, 138, 145, 146, 153, 161, 168, 173, 171, 176, 177, 184, 193, 202, 207, 206, 209, 210, 215, 225,...
[ "nonn" ]
A086097
[ 57, 85, 141, 177, 201, 393, 537, 553, 633, 697, 717, 745, 921, 933, 1141, 1285, 1345, 1477, 1641, 1713, 1761, 1981, 1982, 2041, 2181, 2361, 2433, 2558, 2577, 2605, 2761, 2941, 2977, 3062, 3117, 3241, 3273, 3326, 3397, 3578, 3721, 3777...
[ "nonn", "base" ]
A164717
[ 1, 1, 1, 2, 2, 4, 4, 4, 4, 4, 4, 4, 4, 7, 1, 1, 7, 7, 7, 7, 7, 7, 8, 8, 8, 8, 8, 8, 8, 8, 7, 1, 3, 7, 7, 3, 7, 7, 7, 7, 3, 1, 1, 14, 14, 14, 14, 14, 1, 14, 14, 14, 14, 14, 14, 14, 14, 14, 7, 1, 3,...
[ "base", "nonn" ]
A354082
[ 0, -1, -1, 3, 7, 11, 143, 7715 ]
[ "sign", "more" ]
A322042
[ 0, 1, 2, 2, 3, 4, 4, 5, 6, 6, 7, 8, 8, 9, 10, 10, 11, 12, 12, 13, 14, 14, 15, 16, 16, 17, 18, 18, 19, 20, 20, 21, 22, 22, 23, 24, 24, 25, 26, 26, 27, 28, 28, 29, 30, 30, 31, 32, 32, 33, 34, 34, 35, 36, 36, ...
[ "nonn" ]
A200945
[ 1, 6, 40, 61, 20, 134, 536, 1613, 4023, 8842, 17681, 32835, 57465, 95825, 153352, 237104, 355792, 520226, 743448, 1041280, 1432241, 1938480, 2585494, 3403125, 4425342, 5691528, 7245651, 9138376, 11425775, 14171497, 17445655, 21327385 ]
[ "nonn" ]
A320017
[ 1, 2, 2, 2, 2, 30, 2, 2, 2, 42, 2, 30, 2, 210, 420, 2, 2, 30, 2, 42, 220, 330, 2, 30, 2, 462, 2, 210, 2, 132300, 2, 2, 52, 78, 156, 30, 2, 390, 780, 42, 2, 346500, 2, 330, 420, 2730, 2, 30, 2, 42, 1716, 462, 2, ...
[ "nonn" ]
A078661
[ 1, 1, 2, 1, 2, 2, 3, 2, 3, 3, 4, 5, 5, 6, 7, 8, 9, 11, 12, 15, 16, 19, 21, 26, 28, 34, 36, 44, 48, 57, 63, 72, 81, 93, 104, 119, 133, 150, 169, 191, 213, 241, 268, 301, 337, 376, 420, 469, 522, 581, 647, 718, 799...
[ "nonn" ]
A049707
[ 1, 1, 3, 6, 9, 12, 17, 22, 27, 33, 39, 48, 56, 64, 71, 82, 92, 105, 116, 129, 139, 153, 167, 183, 197, 213, 227, 247, 262, 285, 303, 325, 342, 362, 379, 403, 426, 451, 471, 497, 520, 551, 576, 605, 627, 657, 685, 720, 74...
[ "nonn" ]
A317203
[ 3, 1, 3, 2, 3, 1, 3, 1, 3, 2, 3, 1, 3, 2, 3, 1, 3, 1, 3, 2, 3, 1, 3, 1, 3, 2, 3, 1, 3, 2, 3, 1, 3, 1, 3, 2, 3, 1, 3, 2, 3, 1, 3, 1, 3, 2, 3, 1, 3, 1, 3, 2, 3, 1, 3, 2, 3, 1, 3, 1, 3, 2, 3, 1...
[ "nonn" ]
A252359
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[ "nonn", "easy" ]
A356573
[ 1, 2, 4, 6, 12, 24, 60, 120, 240, 360, 720, 840, 1260, 1680, 2520, 5040, 10080, 15120, 27720, 55440, 110880, 166320, 277200, 332640, 554400, 720720, 1441440, 2162160, 3603600, 4324320, 7207200, 10810800, 21621600, 36756720, 61261200, 73513440, ...
[ "nonn" ]
A045213
[ 2524, 2604, 2620, 3004, 3020, 3100, 3249, 3649, 3729, 3745, 5649, 5729, 5745, 6129, 6145, 6225, 6374, 6774, 6854, 6870, 8774, 8854, 8870, 9254, 9270, 9350, 9499, 9899, 9979, 9995, 11899, 11979, 11995, 12379, 12395 ]
[ "nonn", "base" ]
A303760
[ 1, 2, 6, 3, 15, 5, 10, 30, 210, 7, 14, 42, 21, 105, 35, 70, 770, 11, 22, 66, 33, 165, 55, 110, 330, 2310, 77, 154, 462, 231, 1155, 385, 5005, 13, 26, 78, 39, 195, 65, 130, 390, 2730, 91, 182, 546, 273, 1365, 455, 910, ...
[ "nonn" ]