id
stringlengths
7
11
seq
listlengths
1
347
keywords
listlengths
1
8
A136858
[ 0, 1, 10, 100, 951, 1000, 1049, 9510, 10000, 10490, 95100, 99499, 99501, 100000, 100499, 100501, 100549, 100951, 104451, 104900, 105549, 951000, 951549, 994990, 995010, 1000000, 1004990, 1005010, 1005490, 1009510, 1044510, 1049000, 1055490, 9510000, ...
[ "base", "nonn" ]
A188766
[ 1, 12, 15, 17, 18, 22, 23, 24, 25, 27, 29, 31, 33, 37, 42, 44, 45, 46, 49, 50, 51, 52, 53, 54, 58, 59, 60, 61, 63, 64, 66, 67, 69, 70, 71, 73, 77, 79, 80, 81, 82, 83, 84, 85, 86, 87, 90, 92, 95, 96, 97, 98, 99, ...
[ "nonn", "easy" ]
A267830
[ 1, 1, 5, 2, 4, 6, 11, 3, 14, 5, 10, 7, 7, 12, 14, 4, 9, 15, 14, 6, 7, 11, 12, 8, 17, 8, 87, 13, 13, 15, 83, 5, 20, 10, 11, 16, 15, 15, 24, 7, 85, 8, 22, 12, 13, 13, 82, 9, 18, 18, 19, 9, 9, 88, 89, 14, 25...
[ "nonn" ]
A072719
[ 1186781188132188, 1464465185355348, 2178772178212278, 2191191178088088, 2196702178032978, 2202202177977978, 2334334176656658, 3041250269587497, 4361064356389356, 4906609350933906, 6232232537677674, 6543356534566434 ]
[ "base", "nonn" ]
A322731
[ 1, 1, 0, 1, 12, 0, 1, 180, 120, 0, 1, 2632, 9520, 896, 0, 1, 37080, 504000, 369600, 5760, 0, 1, 487476, 23562000, 57376704, 12735360, 33792, 0, 1, 6045676, 1039654616, 6645999360, 5256451200, 399246848, 186368, 0, 1, 71745360, 44074736160, ...
[ "nonn", "tabl" ]
A322408
[ 3, 7, 11, 15, 18, 22, 26, 30, 34, 38, 42, 45, 49, 53, 57, 61, 65, 68, 72, 76, 80, 84, 88, 92, 95, 99, 103, 107, 110, 114, 118, 122, 126, 130, 134, 137, 141, 145, 149, 153, 157, 160, 164, 168, 172, 176, 180, 184, 187, 1...
[ "nonn", "easy" ]
A158679
[ 930, 3813, 8618, 15345, 23994, 34565, 47058, 61473, 77810, 96069, 116250, 138353, 162378, 188325, 216194, 245985, 277698, 311333, 346890, 384369, 423770, 465093, 508338, 553505, 600594, 649605, 700538, 753393, 808170, 864869, 923490, 984033, 1046498, ...
[ "nonn", "easy" ]
A274119
[ 11, 120, 435, 1064, 2115, 3696, 5915, 8880, 12699, 17480, 23331, 30360, 38675, 48384, 59595, 72416, 86955, 103320, 121619, 141960, 164451, 189200, 216315, 245904, 278075, 312936, 350595, 391160, 434739, 481440, 531371, 584640 ]
[ "nonn", "hear" ]
A121829
[ 1, 0, 0, 4, 2, 0, 4, 4, 8, 12, 0, 8, 18, 8, 4, 4, 14, 8, 12, 8, 2, 28, 8, 12, 44, 0, 8, 40, 20, 16, 4, 16, 28, 40, 8, 4, 62, 24, 8, 48, 8, 16, 28, 20, 32, 12, 12, 20, 102, 32, 0, 64, 36, 32, 40, 8, 52, ...
[ "nonn" ]
A046378
[ 88, 484, 525, 686, 808, 2662, 3773, 3993, 4444, 6666, 9999, 14641, 24442, 34643, 36663, 40804, 52525, 134431, 224422, 336633, 1234321, 1596951, 2060602, 3090903, 11333311, 14699641, 22888822, 66888866, 104060401, 125888521, 134969431, 367888763, 413979...
[ "nonn", "base" ]
A031930
[ 199, 211, 467, 509, 619, 661, 797, 997, 1201, 1237, 1307, 1459, 1499, 1511, 1531, 1709, 1789, 1811, 1889, 2069, 2099, 2297, 2399, 2447, 2579, 2621, 2777, 2927, 3049, 3067, 3169, 3191, 3259, 3331, 3347, 3499, 3559, 3659, 3931, 3989 ]
[ "nonn" ]
A117759
[ 5, 7, 2, 1, 5, 0, 1, 0, 3, 7, 4, 2, 6, 6, 4, 9, 2, 8, 4, 4, 3, 3, 5, 6, 7, 5, 5, 1, 0, 7, 8, 0, 1, 7, 8, 0, 0, 5, 9, 9, 5, 5, 5, 9, 5, 2, 9, 8, 9, 4, 4, 7, 5, 3, 0, 5, 3, 3, 7, 1, 4, 5, 3, 1...
[ "cons", "nonn", "changed" ]
A216719
[ 2, 6, 22, 2, 109, 10, 1, 657, 55, 7, 1, 4625, 356, 54, 4, 1, 37186, 2723, 362, 44, 4, 1, 336336, 23300, 2837, 368, 34, 4, 1, 3379058, 220997, 25408, 2967, 330, 35, 4, 1, 37328103, 2308564, 249736, 26964, 3100, 292, 36, 4, 1 ]
[ "nonn", "tabf" ]
A359268
[ 0, 1, 0, 3, 4, 1, 6, 7, 8, 9, 0, 11, 12, 13, 14, 15, 16, 17, 18, 3, 4, 1, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 6, 7, 8, 9, 0, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, ...
[ "nonn", "base" ]
A182504
[ 323, 377, 3827, 5777, 6479, 10877, 11663, 18407, 19043, 20999, 23407, 25877, 27323, 34943, 35207, 39203, 44099, 47519, 50183, 51983, 53663, 60377, 65471, 75077, 78089, 79547, 80189, 81719, 82983, 84279, 84419, 86063, 90287, 94667, 100127, 104663,...
[ "nonn" ]
A297323
[ 1, 1, 0, 1, -1, 0, 1, -2, -2, 0, 1, -3, -3, -1, 0, 1, -4, -3, 2, -1, 0, 1, -5, -2, 8, 4, 5, 0, 1, -6, 0, 16, 9, 16, 1, 0, 1, -7, 3, 25, 9, 18, -3, 13, 0, 1, -8, 7, 34, 0, 4, -35, 6, 4, 0, 1, -9, 12, 4...
[ "sign", "tabl" ]
A363371
[ 23, 11, 23, 11, 23, 11, 47, 11, 11, 23, 47, 23, 23, 23, 47, 47, 103, 103, 103, 103, 103, 103, 167, 103, 103, 103, 103, 103, 103, 103, 103, 103, 103, 179, 103, 103, 103, 103, 103, 103, 103, 103, 127, 103, 103, 103, 103, 103...
[ "nonn" ]
A222232
[ 0, 1, 8, 3, 4, 5, 6, 7, 2, 9, 10, 11, 18, 13, 14, 15, 16, 17, 12, 19, 80, 81, 88, 83, 84, 85, 86, 87, 82, 89, 30, 31, 38, 33, 34, 35, 36, 37, 32, 39, 40, 41, 48, 43, 44, 45, 46, 47, 42, 49, 50, 51, 58, 53, 54...
[ "nonn", "base", "easy" ]
A220378
[ 5, 21, 134, 1365, 1627177 ]
[ "nonn", "hard" ]
A351839
[ 2, 6, 2, 14, 6, 6, 30, 14, 24, 12, 62, 30, 60, 60, 30, 126, 62, 126, 180, 180, 54, 254, 126, 252, 420, 630, 378, 126, 510, 254, 504, 852, 1680, 1512, 1008, 240, 1022, 510, 1014, 1620, 3780, 4536, 4536, 2160, 504, 2046, 1022,...
[ "nonn", "tabl", "look" ]
A104043
[ 17, 41, 53, 101, 173, 353, 461, 1013, 1181, 1301, 1361, 1901, 2441, 4001, 4133, 4673, 4793, 5381, 5393, 5801, 6653, 10601, 11801, 12101, 12641, 12653, 15641, 15761, 16481, 19073, 21221, 23561, 23813, 23873, 25301, 25793, 25841, 25913, 26921...
[ "easy", "nonn" ]
A340828
[ 1, 1, 2, 1, 2, 3, 3, 2, 4, 5, 6, 6, 7, 8, 11, 10, 13, 17, 18, 21, 24, 27, 30, 35, 39, 46, 53, 61, 68, 79, 87, 97, 110, 123, 139, 157, 175, 196, 222, 247, 278, 312, 347, 385, 433, 476, 531, 586, 651, 720, 800, 883, ...
[ "nonn" ]
A054234
[ 4, 11, 75, 108, 120, 427, 1309, 1583, 1753, 2490, 2712, 2764, 2822, 3678, 4502, 4569, 4595, 7526, 9667, 13723, 14279, 18869, 36367, 37964, 42669, 43738, 46820, 52849, 57666, 59922, 71592, 80480, 85480, 96862, 108383, 121828, 122426, 131318, ...
[ "nice", "nonn" ]
A358951
[ 1, 12, 180, 42, 6, 810, 576, 72, 6, 6786, 4932, 744, 48, 6, 13662, 12522, 2568, 258, 12, 72582, 64932, 14376, 1632, 36, 6, 164484, 155088, 38688, 5958, 414, 18, 439524, 422370, 114804, 18462, 1392, 120, 750108, 749928, 211518, 35226, ...
[ "nonn", "tabf" ]
A080542
[ 1, 2, 3, 4, 6, 5, 7, 8, 12, 9, 13, 10, 14, 11, 15, 16, 24, 17, 25, 18, 26, 19, 27, 20, 28, 21, 29, 22, 30, 23, 31, 32, 48, 33, 49, 34, 50, 35, 51, 36, 52, 37, 53, 38, 54, 39, 55, 40, 56, 41, 57, 42, 58, 43, 5...
[ "nonn", "base" ]
A088969
[ 1, 0, 1, 0, 1, 3, 0, 5, 20, 21, 0, 61, 287, 445, 231, 0, 1385, 7244, 13688, 11206, 3453, 0, 50521, 285295, 612556, 631862, 320159, 65271, 0, 2702765, 16195816, 38143429, 45667208, 29860381, 10300476, 1491381 ]
[ "easy", "nonn", "tabl" ]
A069861
[ 1, 2, 3, 5, 6, 9, 10, 11, 12, 15, 18, 20, 21, 22, 25, 27, 30, 33, 36, 39, 42, 44, 45, 50, 54, 56, 60, 68, 72, 75, 90, 98, 100, 104, 108, 110, 111, 114, 120, 125, 126, 130, 132, 135, 140, 148, 150, 154, 155, 156, 162,...
[ "base", "nonn" ]
A248874
[ 11, 61, 5, 41, 521, 101, 191, 331, 1181, 9091, 13421, 19141, 2411, 71, 31, 1531, 61681, 9041, 2251, 152381, 185641, 224071, 211, 5791, 9161, 431, 1021, 271, 53951, 401, 71261, 21821, 251, 4051, 1151041, 259631, 132631, 241, 6781, 1824841,...
[ "nonn" ]
A106219
[ 1, 1, -1, 2, -4, 9, -21, 53, -137, 362, -971, 2642, -7272, 20211, -56631, 159795, -453650, 1294797, -3713100, 10693036, -30910440, 89657680, -260860962, 761114168, -2226409022, 6528039545, -19182376302, 56479676608, -166605140314, 492304708589, -1457061274...
[ "sign" ]
A325893
[ 0, 1, 1, 5, 5, 21, 21, 21, 149, 149, 149, 1173, 1173, 1173, 9365, 9365, 42133, 107669, 238741, 500885, 1025173, 1025173, 1025173, 1025173, 1025173, 1025173, 34579605, 34579605, 34579605, 34579605, 571450517, 1645192341, 1645192341, 1645192341, 1023...
[ "nonn" ]
A123645
[ 2, 5, 6, 10, 19, 31, 47, 62, 91, 97, 196, 226, 264, 355, 349, 274 ]
[ "nonn", "fini", "full" ]
A027357
[ 1, 0, 0, 0, 1, 1, 0, 1, 2, 1, 0, 1, 2, 2, 1, 2, 4, 3, 2, 3, 5, 5, 3, 5, 8, 6, 5, 7, 10, 10, 8, 11, 15, 14, 12, 15, 20, 20, 18, 22, 28, 27, 25, 30, 37, 38, 35, 42, 51, 50, 49, 56, 67, 69, 67, 77, 90, 91,...
[ "nonn" ]
A325577
[ 1, 1, 0, 1, 2, 7, 30, 118, 581, 2858, 15252, 86277, 509438, 3167161, 20523646, 138503668, 971523468, 7063593311, 53158580100, 413391215663, 3316949183764, 27425390212610, 233382219349033, 2041727280750829, 18344048391099760, 169098977153523740, 1597886134800471300...
[ "nonn" ]
A018265
[ 1, 2, 4, 7, 8, 14, 28, 56 ]
[ "nonn", "fini", "full", "easy" ]
A086454
[ 1, 2, 2, 3, 2, 2, 4, 3, 2, 2, 5, 2, 2, 2, 3, 4, 2, 2, 6, 2, 2, 2, 2, 3, 2, 2, 2, 7, 2, 2, 2, 2, 5, 2, 2, 2, 2, 2, 2, 2, 2, 3, 4, 2, 8, 2, 2, 2, 2, 2, 2, 2, 2, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2...
[ "nonn" ]
A071604
[ 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 10, 11, 11, 12, 13, 14, 14, 15, 15, 16, 17, 17, 17, 18, 19, 19, 20, 21, 21, 22, 22, 23, 23, 23, 24, 25, 25, 25, 25, 26, 26, 27, 27, 27, 28, 28, 28, 29, 30, 31, 31, 31, 31, 32, 3...
[ "nonn", "easy" ]
A121579
[ 1, 2, 5, 1, 16, 8, 65, 52, 3, 326, 344, 50, 1957, 2473, 595, 15, 13700, 19676, 6524, 420, 109601, 173472, 71862, 7840, 105, 986410, 1686912, 823836, 127232, 4410, 9864101, 17981193, 9976686, 1975750, 118125, 945, 108505112, 208769296, 12835...
[ "nonn", "tabf" ]
A194511
[ -1, 0, 1, 0, 1, 0, 1, 0, 1, 2, 1, 2, 1, 2, 1, 2, 3, 2, 3, 2, 3, 2, 3, 4, 3, 4, 3, 4, 3, 4, 5, 4, 5, 4, 5, 4, 5, 6, 5, 6, 5, 6, 5, 6, 7, 6, 7, 6, 7, 6, 7, 8, 7, 8, 7, 8, 7, 8, 9, 8, 9, 8, 9, ...
[ "sign", "easy" ]
A225777
[ 1, 1, 1, 1, 1, 1, 2, 1, 4, 0, 0, 1, 1, 1, 3, 1, 1, 6, 4, 0, 2, 1, 9, 16, 8, 5, 0, 0, 0, 0, 1, 1, 1, 4, 3, 1, 8, 12, 0, 3, 4, 1, 12, 37, 34, 15, 12, 4, 0, 0, 2, 1, 16, 78, 140, 88, 44, 68, 32, 0, 4...
[ "nonn", "tabf" ]
A230790
[ 1024, 32912, 2096704, 84019184, 3164737536, 128788339184, 5240912804416, 210666866507312, 8485631595430144, 342396531530004740, 13806626781819210000, 556634631310631760000, 2.244489137579263e+22 ]
[ "nonn" ]
A004648
[ 0, 1, 2, 3, 1, 1, 3, 3, 5, 9, 9, 1, 2, 1, 2, 5, 8, 7, 10, 11, 10, 13, 14, 17, 22, 23, 22, 23, 22, 23, 3, 3, 5, 3, 9, 7, 9, 11, 11, 13, 15, 13, 19, 17, 17, 15, 23, 31, 31, 29, 29, 31, 29, 35, 37, 39, 41, ...
[ "nonn" ]
A159757
[ 98876532401, 98876530421, 98876524301, 98876524013, 98876520143, 98876504123, 98876502143, 98876421053, 98876405231, 98876342501, 98876320451, 98876304251, 98876254031, 98876254013, 98876251043 ]
[ "nonn", "base", "fini" ]
A335445
[ 1, 4, 8, 13, 21, 28, 37, 50 ]
[ "nonn", "hard", "more" ]
A378699
[ 7, 2, 1, 0, 3, 1, 0, 0, 0, 2, 1, 2, 0, 0, 0, 0, 0, 2, 1, 0, 0, 1, 0, 1, 0, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 1, 0, 0, 1, 0, 0, 0, 1, 3, 0, 1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0...
[ "nonn", "easy" ]
A304195
[ 1, 1, 2, 1, 1, 2, 12, 3, 1, 6, 74, 11, 2, 21, 408, 40, 4, 76, 2053, 148, 11, 279 ]
[ "nonn", "more" ]
A342725
[ 0, 1, 13, 17, 189, 205, 257, 273, 3005, 3069, 3277, 3341, 4033, 4097, 4305, 4369, 48061, 48317, 49149, 49405, 52173, 52429, 53261, 53517, 64449, 64705, 65537, 65793, 68561, 68817, 69649, 69905, 768957, 769981, 773309, 774333, 785405, 786429, ...
[ "nonn", "base" ]
A086240
[ 0, 9, 4, 6, 1, 9, 8, 9, 2, 8, 9, 2, 9, 5, 0, 1, 5, 7, 9, 4, 5, 1, 8, 6, 7, 9, 0, 1, 4, 9, 1, 7, 4, 8, 0, 9, 6, 0, 1, 8, 8, 0, 3, 4, 0, 2, 4, 9, 7, 2, 1, 3, 5, 7, 1, 4, 8, 5, 9, 6, 0, 8, 5, 7...
[ "nonn", "cons", "hard" ]
A020783
[ 1, 9, 6, 1, 1, 6, 1, 3, 5, 1, 3, 8, 1, 8, 4, 0, 3, 1, 9, 2, 4, 1, 6, 2, 4, 6, 5, 7, 3, 1, 6, 4, 5, 4, 6, 1, 1, 3, 7, 0, 6, 8, 1, 1, 3, 3, 1, 1, 5, 2, 2, 9, 3, 8, 7, 5, 3, 2, 6, 8, 1, 0, 7, 8...
[ "nonn", "cons" ]
A108940
[ 1, 8, 10, 27, 35, 64, 28, 81, 125, 80, 154, 216, 55, 162, 260, 143, 343, 280, 405, 91, 270, 512, 440, 595, 224, 442, 729, 648, 136, 836, 405, 665, 1000, 910, 323, 1134, 640, 945, 1331, 1232, 190 ]
[ "nonn", "more", "uned" ]
A167061
[ 40, 47040, 48384000, 49461807360, 50545351901000, 51651393970176000, 52781550346052950000, 5.39364286581835e+22, 5.511657563323467e+25, 5.632254458181215e+28, 5.755490052830491e+31, 5.881422083125109e+34, 6.010109547987549e+37 ]
[ "nonn" ]
A105428
[ 7, 31, 67, 151, 23, 13, 7, 157, 163, 107, 17, 13, 7, 89, 170809, 31, 13, 7, 4363363, 251, 42169, 43, 13, 7, 641, 17, 6791, 109, 13, 7, 31, 29, 373, 261382937, 13, 7, 101921, 82647847, 443, 13, 7, 43, 1042402171, 71, 31, 13, ...
[ "nonn" ]
A305243
[ 32, 184, 158, 767, 3288, 12521, 55039, 238455, 1028982, 4474894, 19518559, 84942081, 370258428, 1613715073, 7033574315, 30657040705, 133631642692, 582478243133, 2538960848316, 11067063306710, 48240214387036 ]
[ "nonn" ]
A084773
[ 1, 6, 52, 504, 5136, 53856, 575296, 6225792, 68026624, 748832256, 8291791872, 92255680512, 1030537089024, 11550176206848, 129824329777152, 1462841567576064, 16518691986407424, 186887008999047170, 2117944490818011100, 24038305911245636000, 273199990096465500000 ]
[ "nonn" ]
A334555
[ 1, 2, 10, 126, 4058, 335880, 71670920, 39502865556, 56311864852276, 207801222582652930, 1.9863596169202431e+21, 4.920882621954119e+25, 3.1605895844252927e+30, 5.264567129555116e+35, 2.274732887473994e+41 ]
[ "nonn" ]
A071139
[ 2, 3, 4, 5, 7, 8, 9, 11, 13, 16, 17, 19, 23, 25, 27, 29, 30, 31, 32, 37, 41, 43, 47, 49, 53, 59, 60, 61, 64, 67, 70, 71, 73, 79, 81, 83, 89, 90, 97, 101, 103, 107, 109, 113, 120, 121, 125, 127, 128, 131, 137, 139, ...
[ "nonn" ]
A382726
[ 1, 3, 6, 10, 15, 21, 28, 30, 34, 40, 48, 58, 70, 84, 87, 93, 102, 114, 129, 147, 168, 172, 180, 192, 208, 228, 252, 280, 285, 295, 310, 330, 355, 385, 420, 426, 438, 456, 480, 510, 546, 588, 595, 609, 630, 658, 693, 735, ...
[ "nonn" ]
A320361
[ 0, 5, 60, 657, 7902, 91711, 1076811, 12633183, 148082443, 1736213698, 20357548449, 238693491568, 2798676228713, 32814460150445, 384749618366454, 4511189841036949, 52893701506634830, 620178660144475100 ]
[ "nonn" ]
A143032
[ 31, 95, 159, 223, 287, 351, 415, 479, 482, 543, 607, 671, 735, 799, 863, 927, 968, 991, 1055, 1119, 1183, 1247, 1311, 1375, 1439, 1503, 1567, 1631, 1695, 1759, 1823, 1887, 1940, 1951, 2015, 2079, 2143, 2207, 2271, 2335, 2399, 2426, ...
[ "nonn" ]
A301008
[ 1, 4, 10, 20, 36, 56, 79, 106, 140, 177, 222, 267, 317, 376, 435, 506, 568, 643, 740, 806, 895, 1006, 1094, 1197, 1294, 1407, 1563, 1650, 1760, 1932, 2055, 2199, 2330, 2496, 2670, 2773, 2937, 3151, 3336, 3476, 3639, 3862, 4080, 42...
[ "nonn" ]
A010669
[ 4, 6, 2, 6, 0, 6, 5, 0, 0, 9, 1, 8, 2, 7, 4, 1, 7, 9, 3, 0, 9, 2, 3, 6, 2, 3, 6, 9, 7, 9, 1, 2, 8, 4, 0, 9, 4, 6, 2, 2, 1, 9, 3, 8, 5, 3, 6, 1, 0, 0, 8, 6, 7, 2, 6, 5, 6, 2, 1, 8, 3, 7, 9, 2...
[ "nonn", "cons" ]
A081445
[ 36, 36, 144, 36, 324, 324, 36, 36, 36, 144, 144, 144, 36, 36, 36, 900, 900, 900, 324, 900, 36, 324, 36, 324, 576, 324, 144, 36, 324, 36, 576, 144, 2304, 576, 36, 144, 900, 324, 144, 576, 324, 900, 36, 144, 900, 2916, 144, ...
[ "nonn" ]
A297026
[ 0, 1, 2, 3, 5, 7, 11, 22, 23, 46, 47, 94, 167, 283, 359, 718, 719, 1438, 1439, 2878, 2879, 5758, 11516, 23032, 34549, 69098, 138059, 138197, 276394, 552788, 1105576, 2211152, 3316619, 6633238, 11792393, 23584786, 23584787, 47169574, 5306590...
[ "nonn" ]
A234127
[ 12457, 484731, 19007583, 753253097, 29939517797, 1191882104721, 47493714739641, 1893857438251263, 75563062469539410, 3016375900398947000, 120461028024895470000, 4.812488258562983e+21, 1.923248080798333e+23, 7.688236968245622e+24, 3.0741825655366545e+26 ]
[ "nonn" ]
A114534
[ 1, 132, 1460808, 6357011889600, 4.4491520971919466e+22, 2.0824760390606915e+36, 2.712373659248841e+54, 4.1072188416885454e+77 ]
[ "nonn" ]
A184772
[ 13370536, 119205236368, 26695990774288, 77441892454241490, 38088784754633620000, 6.512506657489454e+22, 4.922774911867344e+25, 6.587150428884722e+28 ]
[ "nonn" ]
A363803
[ 0, 2, 0, 2, 5, 2, 7, 2, 9, 7, 0, 14, 0, 23, 5, 18, 0, 11, 19, 7, 28, 2, 23, 14, 5, 28, 9, 51, 0, 37, 0, 18, 33, 2, 47, 23, 37, 21, 0, 47, 0, 86, 0, 46, 14, 25, 47, 30, 56, 7, 51, 28, 0, 65, 5, 107, 19, ...
[ "nonn", "easy" ]
A256660
[ 1, 1, 1, 1, 2, 1, 2, 2, 1, 3, 2, 2, 2, 1, 3, 3, 2, 3, 2, 2, 2, 1, 3, 3, 3, 4, 2, 3, 3, 2, 3, 2, 2, 2, 1, 3, 3, 3, 4, 3, 4, 4, 2, 3, 3, 3, 4, 2, 3, 3, 2, 3, 2, 2, 2, 1, 3, 3, 3, 4, 3, 4, 4, 3...
[ "nonn", "easy" ]
A217749
[ 0, 0, 0, 0, 7, 24, 45, 70, 121, 180, 273, 406, 555, 784, 1071 ]
[ "nonn" ]
A365223
[ 1, 1, 2, 3, -3, -50, -244, -714, -530, 8522, 63548, 259473, 535647, -1321437, -19094684, -103022071, -322370363, -142186810, 5537336460, 41081448638, 170484444654, 332739198585, -1241023311708, -15677607031084, -83737193010368, -255608722098225, -12706843586158 ]
[ "sign" ]
A055587
[ 1, 1, 1, 1, 2, 1, 1, 4, 3, 1, 1, 8, 8, 4, 1, 1, 16, 20, 13, 5, 1, 1, 32, 48, 38, 19, 6, 1, 1, 64, 112, 104, 63, 26, 7, 1, 1, 128, 256, 272, 192, 96, 34, 8, 1, 1, 256, 576, 688, 552, 321, 138, 43, 9, 1, 1, ...
[ "easy", "nonn", "tabl" ]
A051515
[ 9, 25, 196, 324, 1089, 1521, 3600, 4624, 9025, 11025, 19044, 22500, 35721, 41209, 61504, 69696, 99225, 110889, 152100, 168100, 223729, 245025, 318096, 345744, 439569, 474721, 592900, 636804, 783225, 837225, 1016064, 1081600, 1297321 ]
[ "nonn" ]
A056644
[ 1, 2, 4, 8, 16, 32, 59, 75, 65, 56, 50, 44, 36, 31, 27, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26 ]
[ "dead" ]
A017704
[ 1, 1048576, 3486784401, 1099511627776, 95367431640625, 1828079220031488, 79792266297612000, 1152921504606847000, 12157665459056929000, 50000000000000000000, 672749994932560100000, 638959998741245900000 ]
[ "nonn", "frac" ]
A179211
[ 2, 2, 3, 3, 4, 4, 5, 5, 6, 7, 8, 8, 9, 8, 9, 9, 11, 11, 13, 13, 15, 15, 15, 15, 15, 16, 16, 17, 19, 19, 20, 19, 21, 21, 22, 22, 24, 23, 24, 24, 25, 25, 26, 26, 27, 28, 29, 29, 30, 30, 32, 32, 34, 34, 36, 36...
[ "nonn" ]
A255150
[ 1, 5, 10, 22, 26, 42, 62, 110, 127, 151, 187, 267, 279, 327, 387, 531, 571, 627, 735, 935, 991, 1063, 1203, 1403, 1559, 1735, 1967, 2335, 2475, 2707, 3043, 3483, 3799, 4103, 4491, 5035, 5351, 5695, 6059, 6523, 6983, 7407, 7915, 84...
[ "nonn" ]
A387262
[ 3, 7, 11, 4165, 1925, 521145625, 1231278125, 117192622421875, 5225432428125, 10634368774326172000, 6.491392851532456e+22, 6.519012951936494e+27, 4.201179989098277e+29, 2.170380922538769e+38, 2.7711032758513214e+37 ]
[ "nonn", "frac", "hard" ]
A040835
[ 29, 2, 2, 3, 3, 1, 1, 1, 2, 6, 6, 2, 1, 1, 1, 3, 3, 2, 2, 58, 2, 2, 3, 3, 1, 1, 1, 2, 6, 6, 2, 1, 1, 1, 3, 3, 2, 2, 58, 2, 2, 3, 3, 1, 1, 1, 2, 6, 6, 2, 1, 1, 1, 3, 3, 2, 2, 58, 2, 2, 3, 3, 1,...
[ "nonn", "cofr", "easy" ]
A163675
[ 0, 13, 37, 78, 142, 235, 363, 532, 748, 1017, 1345, 1738, 2202, 2743, 3367, 4080, 4888, 5797, 6813, 7942, 9190, 10563, 12067, 13708, 15492, 17425, 19513, 21762, 24178, 26767, 29535, 32488, 35632, 38973, 42517, 46270, 50238, 54427, 58843, ...
[ "nonn", "easy" ]
A217632
[ 0, 4, 16, 66, 244, 968, 3726, 14520, 56352, 218978, 850620, 3304624, 12837742, 49872976, 193747784, 752680930, 2924043092, 11359448344, 44129645550, 171436683864, 666004286592, 2587320999714, 10051331417116, 39047827550656 ]
[ "nonn" ]
A222360
[ 1, 1, 1, 1, 1, 1, 4, 1, 1, 4, 5, 8, 5, 8, 5, 10, 9, 24, 24, 9, 10, 12, 42, 27, 73, 27, 42, 12, 34, 48, 176, 268, 268, 176, 48, 34, 43, 222, 404, 1315, 1054, 1315, 404, 222, 43, 101, 255, 2180, 5381, 7870, 7870, 538...
[ "nonn", "tabl" ]
A215750
[ 0, 1, 3, 1, 1, 32, 1, 1, 278, 1, 1, 2, 5, 1, 4, 1, 3, 7, 1, 1, 44, 1, 4, 2, 1, 1, 2, 8, 2, 1, 5, 1, 1, 4, 3, 1, 9, 17, 1, 1, 12, 2, 1, 1, 80, 3, 10, 1, 2, 63, 3, 3, 2, 1, 1, 16, 2, 5, 3, 2, 1, 2...
[ "nonn", "cofr" ]
A353246
[ 4, 5, 7, 15, 2075 ]
[ "nonn", "more", "hard" ]
A077591
[ 1, 2, 18, 50, 98, 162, 242, 338, 450, 578, 722, 882, 1058, 1250, 1458, 1682, 1922, 2178, 2450, 2738, 3042, 3362, 3698, 4050, 4418, 4802, 5202, 5618, 6050, 6498, 6962, 7442, 7938, 8450, 8978, 9522, 10082, 10658, 11250, 11858, 12482, 13...
[ "nonn", "easy" ]
A094623
[ 0, 1, 11, 21, 121, 221, 1221, 2221, 12221, 22221, 122221, 222221, 1222221, 2222221, 12222221, 22222221, 122222221, 222222221, 1222222221, 2222222221, 12222222221, 22222222221, 122222222221, 222222222221, 1222222222221 ]
[ "easy", "nonn", "base" ]
A030332
[ 4, 10, 16, 17, 19, 22, 26, 35, 43, 44, 46, 49, 53, 62, 70, 71, 72, 74, 75, 78, 79, 82, 84, 86, 90, 94, 96, 98, 102, 107, 108, 111, 115, 120, 132, 143, 144, 147, 151, 156, 168, 178, 179, 180, 182, 183, 186, 187, 190, 19...
[ "nonn" ]
A237528
[ 23518, 146014, 486718, 564814, 3285598, 4629406, 7151614, 11645326, 22584814, 29983198, 31754206, 64319998, 355897438, 745319086, 864614014, 1304555614, 2334990526, 2903803726, 3447511198, 3934332718, 4194050014, 4596374014, 5838479998, 6866219998 ]
[ "nonn" ]
A001305
[ 1, 2, 4, 6, 9, 13, 18, 24, 31, 39, 50, 62, 77, 93, 112, 134, 159, 187, 218, 252, 293, 337, 388, 442, 503, 571, 646, 728, 817, 913, 1022, 1138, 1267, 1403, 1552, 1714, 1889, 2077, 2278, 2492, 2728, 2977, 3248, 3532, 3838, 4166,...
[ "nonn", "easy" ]
A157873
[ 0, 1, 1, 2, 2, 2, 3, 3, 3, 3, 4, 6, 2, 6, 4, 5, 10, 5, 5, 10, 5, 6, 15, 15, 0, 15, 15, 6, 7, 21, 35, 0, 0, 35, 21, 7, 8, 28, 70, 1, 0, 1, 70, 28, 8, 9, 36, 126, 9, 0, 0, 9, 126, 36, 9, 10, 45, 210, 45...
[ "nonn", "tabl" ]
A361194
[ 1, -2, 17, -237, 4893, -133683, 4567905, -187666587, 9017657433, -496470972951, 30824023641669, -2131090659947439, 162397790115179740, -13525005928296073000, 1.2222851106826808e+21, -1.191353925163022e+23, 1.2458374493322418e+25 ]
[ "sign" ]
A319549
[ 1, 2, 6, 24, 120, 720, 5040, 40320, 40311, 40230, 39330, 28440, -114120, -2121840, -32392080, -518878080, -518878063, -518877774, -518872266, -518761800, -516436200, -465156720, 716713200, 29135312640, 29135312615, 29135311990, 29135295090, 29134821240 ]
[ "sign", "easy" ]
A106419
[ 97, 91, 902, 910, 9030, 91770, 903210, 9699690, 900029130, 9146807670, 902340208770, 9426343036110, 900781858106130, 90004386781078770, 914836017997511600, 90100977291211490000, 9.000008798605568e+21, 9.000029837471594e+23, 9.14657098568359e+24 ]
[ "base", "nonn" ]
A179727
[ 0, 831600, 26611200, 807206400, 20718297600, 441272832000 ]
[ "nonn" ]
A241927
[ 2, 2, 2, 2, 2, 2, 1, 2, 1, 4, 1, 4, 1, 4, 1, 1, 9, 4, 1, 2, 1, 1, 1, 4, 4, 4, 1, 1, 1, 4, 4, 4, 1, 1, 1, 1, 1, 4, 1, 1, 9, 4, 4, 9, 1, 1, 1, 4, 4, 4, 1, 1, 1, 4, 4, 1, 9, 1, 1, 9, 4, 4, 1, 1...
[ "nonn" ]
A058068
[ 1, 8, 73, 81, 12075796, 12075877, 24151673, 36227550, 169061873, 205289423, 374351296, 579640719, 2113273453, 9032734531, 11146007984, 20178742515, 31324750499, 490050000000 ]
[ "nonn", "frac" ]
A122675
[ 1, 1, 2, 9, 29, 165, 962, 6423 ]
[ "nonn", "more" ]
A373393
[ 1, 3, 3, 11, 32, 48, 16, 48, 15072, 9552, 192, 333216, 134880, 6570096, 768, 9748704, 70272 ]
[ "nonn", "more" ]
A134854
[ 7, 13, 41, 113, 97, 193, 641, 769, 11777, 13313, 59393, 12289, 40961, 114689, 163841, 2424833, 6946817, 786433, 5767169, 7340033, 23068673, 155189249, 595591169, 1224736769, 167772161, 469762049, 2281701377, 3489660929, 12348030977 ]
[ "nonn" ]
A131444
[ 1, 2, 2, 12, 60, 60, 280, 40320, 22680, 3628800, 1900800, 479001600, 6227020800, 6227020800, 1307674368000, 1307674368000, 13680285696000, 582033973248000, 24329020081766400, 2432902008176640000 ]
[ "nonn", "frac", "easy" ]
A182421
[ 1, 2, 130, 4376, 312706, 20156252, 1622278624, 132282417920, 11716609750402, 1067553850832372, 101275413131018380, 9844149854624123000, 980597565209377200000, 9.951814830258338e+22, 1.0272819477206558e+25, 1.075608762378044e+27 ]
[ "nonn", "easy" ]
A131447
[ 0, 1, 1, 13, 23, 83, 2909, 23273, 3491, 3491, 11520301, 30720803, 30720803, 50320675319, 68619102709, 3019240519199, 4666098984217, 1847775197749939, 23405152504832564, 1404309150289953800, 9830164052029678000 ]
[ "nonn", "frac", "easy" ]