id
stringlengths
7
11
seq
listlengths
1
347
keywords
listlengths
1
8
A237570
[ 1876, 24332, 315664, 4146324, 54395184, 712810024, 9341685548, 122455823868, 1605139419940, 21039580744172, 275778485963796, 3614821845795620, 47382014286972460, 621068632282931200, 8140767996582698000 ]
[ "nonn" ]
A281218
[ 1, 0, 11, 1010, 101, 110010, 1001, 11100100, 11011, 1111011110, 110001, 111110100100, 1011011, 11111100111110, 10000001, 1111111001111100, 111000111, 111111110100010000, 1011101111, 11111111100110110000, 11101000011, 1.11111111101001e+21, 101001110001 ]
[ "nonn", "easy" ]
A364957
[ 1, -2, -3, 3, -1, 6, -1, -12, 0, 3, -1, -9, -1, 2, 3, 35, -1, 0, -1, -10, 3, 3, -1, 36, -24, 2, 0, -3, -1, -9, -1, -82, 3, 2, -5, 0, -1, 2, 3, 37, -1, -6, -1, -10, 0, 3, -1, -105, 0, 46, 3, -6, -1, 0, -9, 1...
[ "sign" ]
A337546
[ 0, 1, 0, 0, 1, 1, 0, 1, 0, 0, 1, 0, 1, 1, 0, 0, 1, 0, 0, 1, 1, 0, 1, 0, 0, 1, 0, 1, 1, 0, 1, 0, 0, 1, 1, 0, 1, 1, 0, 0, 1, 0, 1, 1, 0, 1, 0, 0, 1, 1, 0, 0, 1, 0, 1, 1, 0, 0, 1, 1, 0, 1, 0, 0...
[ "nonn" ]
A348981
[ 0, 1, 1, 4, 1, 7, 1, 12, 7, 11, 1, 24, 1, 15, 13, 32, 1, 35, 1, 40, 17, 23, 1, 68, 13, 27, 35, 56, 1, 71, 1, 80, 25, 35, 21, 112, 1, 39, 29, 116, 1, 99, 1, 88, 77, 47, 1, 176, 19, 91, 37, 104, 1, 151, 29, 1...
[ "nonn" ]
A324601
[ 2, 5, 12, 13, 34, 70, 75, 89, 179, 133, 183, 182, 610, 1120, 919, 2378, 1719, 2923, 2216, 4181, 5479, 10946, 13860, 2337, 16725, 19760, 13563, 13357, 39916, 822, 26982, 15075, 3952, 162867, 117922, 196418, 249755, 201757, 259304, 86545, ...
[ "nonn" ]
A008691
[ 1, 432, 186192, 16881984, 397398096, 4631467680, 34415043264, 187482701952, 814916270160, 2975502394224, 9486501222240, 27053176872384, 70486076751552, 169930845743904, 384163759953792, 820167146628480, 1668890516764752, 3249628128869472, 6096883839494544 ]
[ "nonn" ]
A225005
[ 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 3, 5, 6, 9, 10, 15, 19, 23, 33, 45, 55, 69, 95, 130, 162, 214, 290, 375, 483, 656, 864, 1118, 1446, 1874, 2437, 3130, 4058, 5188, 6642, 8521, 11002, 14236, 18400, 23631, 30521, 39376, 50685, 6...
[ "nonn" ]
A346743
[ 1, 1, 3, 2, 1, 21, 56, 42, 0, 0, 48, 1, 315, 1232, 3780, 1344, 5040, 5760, 0, 0, 0, 0, 0, 0, 0, 2688, 1, 6975, 75392, 416640, 666624, 1249920, 476160, 624960, 0, 0, 0, 833280, 0, 1428480, 1333248, 0, 0, 0, 0, 0, 952320, 0,...
[ "nonn", "tabf" ]
A305915
[ 8, 57, 62, 347, 2014, 8135, 57465, 489154, 3344053, 25522176, 209490803, 1611464796, 12539285595, 99907700990, 785210139974, 6162648831419, 48680431762971, 383689003675080, 3020361523395059, 23812409080409828 ]
[ "nonn" ]
A067878
[ 1, 10, 33, 46, 65, 77, 123, 136, 221, 371, 385, 423, 513, 532, 545, 572, 660, 702, 753, 1248, 1566, 1643, 1720, 2033, 2635, 3243, 4533, 4798, 5177, 5346, 5495, 5605, 6460, 7463, 7565, 7683, 7739, 8201, 9342, 9741, 10780, 10792, 1167...
[ "nonn" ]
A203879
[ 637, 254359, 543848893, 7265109130279, 632382967906147600 ]
[ "nonn" ]
A354944
[ 1, 0, -10, 60, 1560, -39880, -491760, 45672060, -155935360, -77656158000, 2116774828800, 166585352850620, -11925674437248000, -330617542587341900, 69148933431781900000, -543549949643024200000, -4.345344621041883e+23, 2.1521903478880965e+25 ]
[ "sign" ]
A122091
[ 199, 317, 509, 523, 619, 839, 887, 1069, 1129, 1259, 1327, 1409, 1459, 1499, 1637, 1669, 1709, 1759, 1789, 1847, 1889, 1913, 1951, 2039, 2069, 2099, 2179, 2311, 2357, 2399, 2477, 2503, 2557, 2579, 2819, 2939, 2971, 3049, 3089, 3137, 316...
[ "nonn" ]
A330509
[ 1, 1, 3, 1, 9, 6, 1, 19, 34, 10, 1, 34, 115, 91, 15, 1, 55, 301, 445, 201, 21, 1, 83, 672, 1582, 1338, 392, 28, 1, 119, 1344, 4600, 6174, 3410, 700, 36, 1, 164, 2478, 11623, 22548, 19784, 7723, 1170, 45, 1, 219, 4290, 26...
[ "nonn", "tabl", "base" ]
A257837
[ 5, 6, 3, 9, 9, 1, 4, 3, 9, 8, 2, 4, 2, 3, 5, 9, 1, 0, 8, 5, 8, 4, 2, 5, 4, 6, 3, 5, 8, 3, 0, 5, 1, 2, 7, 3, 6, 9, 6, 8, 9, 9, 5, 5, 4, 5, 2, 6, 8, 5, 4, 8, 1, 8, 4, 2, 7, 5, 3, 0, 7, 5, 2, 5...
[ "nonn", "cons" ]
A201131
[ 3, 1, 11, 1, 5, 19, 9, 1, 11, 15, 9, 69, 27, 21, 77, 85, 53, 1, 5, 201, 9, 43, 93, 403, 45, 87, 17, 63, 45, 15, 23, 9, 17, 273, 51, 31, 111, 277, 45, 39, 51, 229, 9, 109, 29, 357, 81, 1, 237, 33, 137, 169, 137, ...
[ "nonn" ]
A251276
[ 230, 3264, 46244, 655040, 9278296, 131421696, 1861511440, 26367218944, 373476205664, 5290071598080, 74930764222016, 1061350366002176, 15033405986262400, 212939386264141820, 3016161624583446500 ]
[ "nonn" ]
A324823
[ 0, 1, 1, 0, 1, 0, 1, 0, 0, 1, 1, 0, 1, 0, 0, 0, 1, 0, 1, 0, 1, 0, 1, 0, 0, 0, 0, 0, 1, 0, 1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 1, 0, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 1, 0, 0, 0, 1, 0, 1, 0, 0, 0...
[ "nonn" ]
A044089
[ 12, 37, 60, 87, 112, 137, 162, 185, 212, 237, 262, 287, 300, 337, 362, 387, 412, 435, 462, 487, 512, 537, 560, 587, 612, 637, 662, 685, 712, 737, 762, 787, 810, 837, 862, 887, 912, 925, 962, 987, 1012, 1037, 1060, 1087, 1112, ...
[ "nonn", "base" ]
A380928
[ 128, 6561, 6624, 250047, 252448, 253125, 264627, 267168, 290871, 293664, 342792, 377622, 381248, 557424, 648432, 762696, 841824, 1109052, 2198208, 2374464, 2472384, 5018304, 9529569, 9646875, 9765625, 10085229, 10209375, 10673289, 10775776, 11085417, 11211...
[ "nonn", "easy" ]
A339053
[ 3, 3, 3, 3, 7, 7, 7, 7, 7, 7, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45...
[ "nonn" ]
A359998
[ 1, 1, 1, 1, 2, 2, 28, 216, 65200, 167084480 ]
[ "nonn", "more" ]
A389726
[ 6, 67, 967, 9967, 99767, 997637, 9978637, 99786937, 997896937, 9978969367, 99978969367, 999789693677, 9997896993677, 99978969936767, 999878969936767, 9998789969936768, 99987989969936770, 999879899699936800, 9999879899699937000, 99998798996999370000, 999987989969993700000 ]
[ "nonn", "base" ]
A017454
[ 15625, 16777216, 387420489, 3010936384, 13841287201, 46656000000, 128100283921, 304006671424, 646990183449, 1265319018496, 2313060765625, 4001504141376, 6611856250609, 10509215371264, 16157819263041, 24137569000000, 35161828327081, 50096498540544, 69980368892329 ]
[ "nonn", "easy" ]
A193809
[ 5, 52, 496, 7536, 224792, 13949968, 1780090736, 465161983824, 246624000644912, 263286800959827840, 563752320057171900000, 2.4173548849099313e+24, 2.0747077497647444e+28 ]
[ "nonn" ]
A253937
[ 82609, 1032607, 1859479, 2158447, 4952173, 5009593, 5828353, 6779833, 11316859, 11370727, 12786157, 13872853, 14117053, 15082783, 15645697, 15935989, 16715623, 20102569, 21310603, 22106569, 22164253, 23674597, 26012953, 26325613, 29592919, 30086347, 30306637 ]
[ "nonn" ]
A141064
[ 2, 5, 7, 11, 23, 29, 89, 137, 311, 367, 1021, 3217, 5441, 2377, 12619, 65761, 5741, 144593, 13859, 78511, 1462397, 33461, 469957, 2552939, 11096497, 5930669, 6343133, 26512597, 470831, 127626137, 372222703, 15955507, 538270693, 531077333, 114012855...
[ "nonn" ]
A115805
[ 0, 3, 6, 12, 24, 48, 96, 192, 195, 384, 387, 390, 768, 771, 774, 780, 1536, 1539, 1542, 1548, 1560, 3072, 3075, 3078, 3084, 3096, 3120, 6144, 6147, 6150, 6156, 6168, 6192, 6240, 12288, 12291, 12294, 12300, 12312, 12336, 12384, 12480, ...
[ "nonn" ]
A073704
[ 7, 11, 13, 17, 29, 29, 37, 41, 53, 61, 67, 79, 89, 89, 97, 109, 131, 127, 137, 149, 149, 163, 173, 181, 197, 233, 211, 227, 223, 229, 257, 269, 277, 281, 311, 307, 317, 331, 337, 349, 389, 367, 389, 389, 397, 401, 433, 449...
[ "nonn" ]
A128971
[ 1, 2, 2, 5, 4, 4, 10, 10, 8, 8, 21, 20, 20, 16, 16, 42, 42, 40, 40, 32, 32, 85, 84, 84, 80, 80, 64, 64, 170, 170, 168, 168, 160, 160, 128 ]
[ "nonn", "tabl" ]
A305181
[ 8, 22, 49, 71, 140, 836, 1750, 5407, 19965, 44251, 150549, 488420, 1217938, 3981440, 12553050, 34234337, 106068538, 331125859, 954603491, 2861242231, 8832265881, 26265684299, 77767182950, 237076601097, 715625119985, 2119273438439 ]
[ "nonn" ]
A119809
[ 2, 3, 2, 2, 5, 8, 8, 5, 2, 2, 5, 8, 8, 0, 6, 7, 7, 3, 0, 1, 2, 1, 4, 4, 0, 6, 8, 2, 7, 8, 7, 9, 8, 4, 0, 8, 0, 1, 1, 9, 5, 0, 2, 5, 0, 8, 0, 0, 4, 3, 2, 9, 2, 5, 6, 6, 5, 7, 1, 8, 0, 6, 2, 3...
[ "cons", "nonn" ]
A306029
[ 1, 5, 40, 405, 4875, 67354, 1044045, 17867125, 333554020, 6730070329, 145676361731, 3362266525430, 82326965117385, 2129349953723509, 57961263778376190, 1655067729384150800, 49437118345913836000, 1.540860755766377e+21, 5.000088564643151e+22 ]
[ "nonn" ]
A321280
[ 1, 1, 1, 1, 2, 1, 8, 1, 22, 22, 1, 52, 172, 1, 114, 856, 604, 1, 240, 3488, 7296, 1, 494, 12746, 54746, 31238, 1, 1004, 43628, 330068, 518324, 1, 2026, 143244, 1756878, 5300418, 2620708, 1, 4072, 457536, 8641800, 43235304, 55717312,...
[ "nonn", "tabf" ]
A084759
[ 4, 6, 9, 10, 14, 20, 25, 32, 40, 49, 60, 70, 82, 95, 110, 124, 140, 158, 175, 194, 214, 235, 258, 280, 304, 329, 355, 382, 410, 440, 469, 500, 532, 565, 600, 634, 670, 707, 745, 784, 824, 865, 908, 950, 994, 1040, 1085, 11...
[ "nonn" ]
A032523
[ 4, 9, 1, 30, 40, 32, 2, 44, 130, 100, 276, 55, 28, 13, 3, 78, 647, 137, 140, 180, 214, 83, 203, 91, 791, 112, 574, 175, 243, 147, 878, 455, 531, 421, 1008, 594, 784, 3041, 721, 1872, 754, 119, 492, 429, 81, 3200, 825, 283,...
[ "nonn", "nice", "look" ]
A163163
[ 1, 3, 3, 6, 3, 10, 3, 11, 7, 12, 3, 22, 3, 14, 13, 20, 3, 27, 3, 28, 15, 18, 3, 44, 9, 20, 17, 34, 3, 50, 3, 37, 19, 24, 17, 64, 3, 26, 21, 58, 3, 62, 3, 46, 39, 30, 3, 86, 11, 49, 25, 52, 3, 74, 21, 72, ...
[ "nonn", "easy" ]
A022348
[ 0, 14, 14, 28, 42, 70, 112, 182, 294, 476, 770, 1246, 2016, 3262, 5278, 8540, 13818, 22358, 36176, 58534, 94710, 153244, 247954, 401198, 649152, 1050350, 1699502, 2749852, 4449354, 7199206, 11648560, 18847766, 30496326, 49344092, 79840418, 129184...
[ "nonn", "easy", "changed" ]
A132044
[ 1, 1, 1, 1, 1, 1, 1, 2, 2, 1, 1, 3, 5, 3, 1, 1, 4, 9, 9, 4, 1, 1, 5, 14, 19, 14, 5, 1, 1, 6, 20, 34, 34, 20, 6, 1, 1, 7, 27, 55, 69, 55, 27, 7, 1, 1, 8, 35, 83, 125, 125, 83, 35, 8, 1, 1, 9, 44, 119, ...
[ "nonn", "tabl" ]
A301359
[ 5, 90, 256, 1167, 6279, 44148, 317019, 2249565, 15884635, 112575442, 799900089, 5694840185, 40579592285, 289239447884, 2061827748721, 14698143384886, 104780785903633, 746986736934242, 5325420761444547, 37966535248953656 ]
[ "nonn" ]
A371553
[ 11, 15, 15, 20, 120, 120, 280, 280, 312, 330, 330, 750, 750, 4095, 4095, 5700, 5700, 7800, 7800, 10140, 10140, 10564, 10564, 11102, 11275, 11275, 21970, 21970, 27248, 30758, 31000, 31000, 31146, 31350, 31350, 32955, 32955, 35490, 35490, 3...
[ "nonn" ]
A093351
[ 0, 0, 1, 3, 9, 65, 885, 20769, 904799, 75119535, 12059144775, 3777502008115, 2321770382163177, 2810098818045932000, 6.714509196242295e+21, 3.1734155232117925e+25, 2.971052065558267e+29 ]
[ "nonn" ]
A210486
[ 0, 1, 20, 543, 22096, 1304045, 106478916, 11545342795, 1608000044288, 280061940550041, 59677171216017940, 15278632095285641000, 4.628964787172536e+21, 1.6383182646147527e+24, 6.698956811155185e+26, 3.1341897340928534e+29 ]
[ "nonn", "walk" ]
A305394
[ 5, 4, 5, 3, 5, 4, 5, 5, 4, 5, 3, 5, 4, 5, 4, 5, 3, 5, 4, 5, 5, 4, 5, 3, 5, 4, 5, 3, 5, 4, 5, 5, 4, 5, 3, 5, 4, 5, 4, 5, 3, 5, 4, 5, 5, 4, 5, 3, 5, 4, 5, 5, 4, 5, 3, 5, 4, 5, 4, 5, 3, 5, 4, 5...
[ "nonn" ]
A125857
[ 0, 2, 20, 182, 1640, 14762, 132860, 1195742, 10761680, 96855122, 871696100, 7845264902, 70607384120, 635466457082, 5719198113740, 51472783023662, 463255047212960, 4169295424916642, 37523658824249780, 337712929418248000, 3039416364764232000, 27354747282878090000 ]
[ "easy", "nonn", "base" ]
A034316
[ 3, 2656, 153158, 2719737, 25329517, 156833689, 732668048, 2785009761, 9043820751, 10100451203, 28651053091, 73647267737, 174494022689, 386046667791, 805597255756, 1598439946772, 3035188107565, 5544826424247 ]
[ "nonn", "base" ]
A081313
[ 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 25, 26, 27, 29, 30, 31, 32, 33, 34, 35, 37, 38, 39, 40, 41, 43, 44, 45, 46, 47, 49, 50, 51, 53, 55, 56, 57, 59, 61, 62, 63, 64, 65, 67, ...
[ "nonn" ]
A050395
[ 1, -1, 0, 1, -1, 1, -4, 11, -18, 18, 0, -60, 189, -360, 453, -373, 294, -652, 1443, -841, -6127, 27681, -75150, 172371, -389662, 867415, -1630604, 1826409, 1738343, -15855044, 49812000, -109702703, 186277940, -229343877, 86783346, 618570769, -2...
[ "sign" ]
A131967
[ 1, 2, 1, 3, 2, 1, 4, 3, 5, 2, 1, 6, 4, 3, 5, 7, 2, 1, 8, 6, 4, 9, 3, 10, 5, 7, 11, 2, 1, 12, 8, 6, 4, 9, 3, 10, 5, 7, 11, 13, 2, 1, 14, 12, 8, 6, 15, 4, 9, 16, 3, 17, 10, 5, 18, 7, 11, 13, 19, 2, ...
[ "nonn" ]
A102788
[ 0, 0, 0, 0, 1, 4, 11, 19, 35, 3, 4, 5, 7, 310, 394, 11, 14, 17, 19, 22, 1653, 27, 31, 35, 0, 46, 4805, 5300, 5720, 6275, 0, 79, 85, 90, 0, 107, 112, 121, 129, 137, 147, 154, 0, 175, 34581, 36029, 1, 1, 241, 55200, 57...
[ "easy", "nonn" ]
A273449
[ 1, 5, 9, 21, 21, 53, 53, 73, 85, 141, 141, 161, 185, 257, 261, 229, 297, 445, 421, 437, 497, 597, 597, 557, 657, 965, 925, 961, 1029, 1217, 1237, 1189, 1349, 1665, 1741, 1729, 1829, 1849, 2025, 1957, 2117, 2569, 2637, 2585, 2829...
[ "nonn", "easy" ]
A325626
[ 2, 5, 13, 89, 233, 1597, 37, 28657, 514229, 557, 73, 2789, 433494437, 2971215073, 953, 353, 4513, 269, 6673, 9375829, 157, 99194853094755500, 1069, 193, 743519377, 519121, 1247833, 827728777, 677, 27941, 1.0663404174917106e+27, 1.9134702400093278e+28, ...
[ "nonn" ]
A135503
[ 0, 0, 3, 12, 30, 60, 105, 168, 252, 360, 495, 660, 858, 1092, 1365, 1680, 2040, 2448, 2907, 3420, 3990, 4620, 5313, 6072, 6900, 7800, 8775, 9828, 10962, 12180, 13485, 14880, 16368, 17952, 19635, 21420, 23310, 25308, 27417, 29640, 31980,...
[ "nonn", "easy" ]
A059858
[ 151, 241, 251, 431, 571, 641, 911, 971, 1181, 1811, 2011, 2351, 2381, 2411, 2731, 3061, 3121, 3221, 3251, 3301, 3331, 3361, 3391, 3541, 3761, 3821, 3881, 4211, 4751, 4861, 4871, 4931, 5021, 5381, 5441, 5471, 5581, 5641, 5711, 5821, 5861...
[ "nonn" ]
A248125
[ 1, 2, 5, 16, 3, 6, 2, 22, 101, 6, 21, 86, 43, 16, 15, 4, 3, 6, 21, 20, 11, 8, 49, 48, 7, 22, 29, 28, 27, 26, 25, 49, 11, 29, 133, 20, 19, 22, 71, 70, 7, 18, 13, 46, 11, 14, 25, 24, 23, 93, 45, 80, 43, 67, 29,...
[ "nonn" ]
A129308
[ 0, 1, 0, 1, 0, 2, 0, 1, 0, 1, 0, 3, 0, 1, 0, 1, 0, 2, 0, 2, 0, 1, 0, 3, 0, 1, 0, 1, 0, 3, 0, 1, 0, 1, 0, 3, 0, 1, 0, 2, 0, 3, 0, 1, 0, 1, 0, 3, 0, 1, 0, 1, 0, 2, 0, 2, 0, 1, 0, 5, 0, 1, 0, 1...
[ "nonn" ]
A362381
[ 1, 1, 1, 2, 9, 41, 191, 1191, 9353, 77897, 704861, 7352621, 85323921, 1058023825, 14155416003, 206100005931, 3217934262481, 53320102598481, 939087824434009, 17562552535939704, 346668611080774100, 7196193133818593000, 156944931623033340000 ]
[ "nonn" ]
A289612
[ 3, 10, 34, 116, 397, 1366, 4734 ]
[ "nonn", "more" ]
A268967
[ 60, 912, 11664, 136080, 1504656, 16061328, 167226768, 1709114256, 17218688400, 171498136464, 1692252695952, 16569199473552, 161173122151824, 1559011041375120, 15007175850454416, 143849270956794770 ]
[ "nonn" ]
A150730
[ 1, 2, 8, 28, 128, 520, 2464, 10768, 51968, 236384, 1153024, 5376064, 26398464, 125124224, 617141248, 2958910208, 14639308800, 70775611904, 350949025792, 1707297825792, 8479898378240, 41449973364736, 206135378673664, 1011348721979392, 5034447141519360, 24773189924233...
[ "nonn", "walk" ]
A128765
[ 1, 1, -1, 0, 1, -1, -2, 0, 2, 0, 0, 2, 1, -1, -2, -2, 0, 1, -2, 0, 6, 3, -5, -2, 5, -3, -10, 2, 8, -1, -2, 6, 6, -2, -8, -6, 2, 2, -8, -2, 21, 11, -18, -4, 18, -11, -32, 4, 26, -1, -10, 18, 20, -8, -26, -18...
[ "sign" ]
A040045
[ 7, 19, 31, 37, 43, 61, 73, 79, 97, 103, 109, 139, 151, 157, 193, 223, 229, 271, 277, 283, 307, 331, 349, 373, 397, 421, 433, 439, 463, 499, 523, 541, 547, 571, 577, 601, 607, 613, 619, 661, 673, 709, 727, 751 ]
[ "nonn", "easy" ]
A216038
[ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 0, 0, 1, 0, 0, 0, 1, 0 ]
[ "nonn", "more" ]
A348700
[ 1, 24, 1440, 97440, 6745200, 467170704, 32179283136, 2201392866816, 149582010088368, 10100991172786800, 678330750569025800, 45330886561301260000, 3.0163237606770176e+21, 1.9994832090952894e+23, 1.321018841874195e+25, 8.70202858863529e+26 ]
[ "nonn" ]
A003059
[ 1, 2, 2, 2, 3, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 4, 5, 5, 5, 5, 5, 5, 5, 5, 5, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8...
[ "nonn", "easy" ]
A094564
[ 6, 10, 15, 16, 24, 26, 30, 39, 40, 42, 48, 63, 65, 68, 78, 80, 102, 104, 105, 110, 120, 126, 130, 165, 168, 170, 178, 195, 204, 208, 210, 267, 272, 273, 275, 288, 312, 315, 330, 336, 340, 432, 440, 442, 445, 466, 504, 510,...
[ "nonn" ]
A046727
[ 0, 3, 21, 119, 697, 4059, 23661, 137903, 803761, 4684659, 27304197, 159140519, 927538921, 5406093003, 31509019101, 183648021599, 1070379110497, 6238626641379, 36361380737781, 211929657785303, 1235216565974041, 7199369738058939, 41961001862379600, 244566641436218620 ]
[ "easy", "nonn" ]
A344562
[ 2, 6, 42, 1806, 140252154, 2.9605672491623906e+24, 1.620640814966717e+52, 8.871646043335258e+79 ]
[ "nonn" ]
A319085
[ 1, 9, 27, 75, 125, 269, 367, 623, 866, 1266, 1508, 2372, 2710, 3494, 4394, 5674, 6252, 8196, 8918, 11318, 13082, 15018, 16076, 20684, 22559, 25263, 28179, 32883, 34565, 41765, 43687, 49831, 54187, 58811, 63711, 75375, 78113, 83889, 89973, ...
[ "nonn" ]
A351454
[ 1, 2, 3, 2, 4, 3, 5, 2, 6, 4, 7, 3, 8, 5, 9, 2, 10, 6, 11, 4, 12, 7, 13, 3, 14, 8, 15, 5, 16, 9, 17, 2, 18, 10, 19, 6, 20, 11, 21, 4, 22, 12, 23, 7, 24, 13, 25, 3, 26, 14, 27, 8, 28, 15, 29, 5, 30, 16, ...
[ "nonn" ]
A231222
[ 3, 8, 21, 54, 185, 552, 1799, 5900, 19185, 63834, 210899, 701724, 2336721, 7786742, 25984043, 86721124, 289569291, 967130226, 3230474181, 10792263708, 36056118433, 120467821634, 402509354825, 1344900626136, 4493772713417 ]
[ "nonn" ]
A378643
[ 1, -1, -2, 0, -4, 4, -6, 0, -1, 6, -10, -2, -12, 8, 10, 0, -16, -3, -18, 0, 14, 12, -22, 0, -3, 14, -2, 2, -28, -28, -30, 0, 22, 18, 26, 8, -36, 20, 26, -2, -40, -36, -42, 2, 4, 24, -46, 0, -5, -1, 34, 2, -52, ...
[ "sign" ]
A068692
[ 7, 89, 887, 8887, 88883, 888887, 8888861, 88888883, 888888887, 8888888809, 88888888801, 888888888887, 8888888888849, 88888888888889, 888888888888883, 8888888888888647, 88888888888888900, 888888888888888800, 8888888888888889000, 88888888888888890000, 888888888888888900000 ]
[ "base", "nonn" ]
A292767
[ 4, 6, 10, 8, 28, 18, 10, 72, 74, 28, 12, 176, 281, 152, 40, 14, 416, 1020, 762, 270, 54, 16, 960, 3591, 3664, 1680, 436, 70, 18, 2176, 12366, 17120, 10050, 3238, 658, 88, 20, 4864, 41877, 78336, 58500, 23160, 5677, 944, 108, 2...
[ "nonn", "tabl" ]
A208719
[ 6, 11, 16, 30, 48, 100, 182, 404, 850, 1996, 4614, 11391, 28002, 71236, 181710, 471437, 1227712, 3226816, 8509930, 22564205, 60002088, 160113626, 428273964, 1148410792, 3085474406, 8305718893, 22394409228, 60474491712, 163531569910, 442782412569 ]
[ "nonn" ]
A200565
[ 819, 5256, 838044, 322001299796379840 ]
[ "nonn", "fini", "full" ]
A245514
[ 1, 1, 2, 2, 2, 1, 1, 3, 1, 1, 2, 1, 1, 3, 1, 1, 2, 1, 1, 3, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 2, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1...
[ "nonn" ]
A316267
[ 12, 21, 57, 123, 249, 417, 532, 699, 867, 1100, 1389, 1463, 1509, 1708, 2049, 2068, 2307, 2324, 2913, 3116, 3147, 3157, 3273, 3325, 3619, 3903, 4227, 4268, 4636, 4821, 5079, 5225, 5324, 5516, 5739, 6308, 6391, 6524, 6621, 6644, 7469, ...
[ "nonn" ]
A197361
[ 1, 33, 593, 5855, 79051, 1041263, 13639968, 178359981, 2325301494, 30421739045, 398559303702, 5208529268691, 68100059270101, 890956015271870, 11653212521783972, 152394870737191230, 1993174813555117600 ]
[ "nonn" ]
A086653
[ 5, 10, 17, 28, 47, 82, 149, 280, 539, 1054, 2081, 4132, 8231, 16426, 32813, 65584, 131123, 262198, 524345, 1048636, 2097215, 4194370, 8388677, 16777288, 33554507, 67108942, 134217809, 268435540, 536870999, 1073741914, 2147483741 ]
[ "easy", "nonn" ]
A037397
[ 1, 2, 3, 4, 12, 24, 31, 62, 93, 104, 124, 130, 150, 156, 162, 174, 182, 213, 250, 260, 281, 302, 312, 324, 342, 390, 473, 493, 504, 604, 624, 781, 812, 831, 912, 1003, 1030, 1031, 1032, 1033, 1034, 1043, 1083, 1093, 1174, 1234...
[ "nonn", "base" ]
A212649
[ 1, 3, 8, 13, 21, 30, 41, 53, 67, 82, 99, 118, 138, 159, 183, 207, 234, 262, 291, 322, 355, 389, 425, 462, 501, 542, 584, 628, 673, 720, 768, 818, 870, 923, 977, 1034, 1091, 1151, 1212, 1274, 1338, 1404, 1471, 1540, 1610, 1682,...
[ "nonn", "easy" ]
A085377
[ 0, 28, 164, 486, 1072, 2000, 3348, 5194, 7616, 10692, 14500, 19118, 24624, 31096, 38612, 47250, 57088, 68204, 80676, 94582, 110000, 127008, 145684, 166106, 188352, 212500, 238628, 266814, 297136, 329672, 364500, 401698, 441344, 483516, 528292 ]
[ "nonn" ]
A289083
[ 0, 1, 1, 1, 1, -3, -33, -179, -767, -2407, 863, 107489, 1261697, 10505157, 65544687, 192284981, -2621700607, -64255381967, -880236943937, -8946701130551, -59459763005183, 104310663206877, 12346394790353488, 268724181711473820, 4054748296390774300 ]
[ "sign" ]
A026121
[ 0, 3, 36, 351, 3240, 29403, 265356, 2390391, 21520080, 193700403, 1743362676, 15690441231, 141214502520, 1270932117003, 11438393835996, 102945558872871, 926510072902560, 8338590785263203, 75047317454789310, 675425858255365200 ]
[ "nonn", "easy" ]
A281440
[ 1, 1, 29, 2605, 478745, 148838425, 70130095925, 46612385237125, 41546401457128620, 47826888286436565000, 6.907214307428385e+22, 1.2228868640846862e+26, 2.6046030265974094e+29, 6.570132124640027e+32, 1.9370928716323775e+36, 6.600357306119497e+39, 2.5738551995192675e+43 ]
[ "nonn" ]
A159835
[ 1, 4, 4, 4, 4, 6, 11, 11, 11, 14, 61, 266, 1006, 1030, 1261, 6264, 7583, 7979, 7986, 12386, 80041, 87434, 130927, 270073, 1653819, 1715177, 1973657, 3483485, 12346987, 17531499, 21237674, 84103203, 195088616, 725688944, 2813572082, 3138084145, ...
[ "easy", "nice", "nonn" ]
A029827
[ 15, 45, 51, 55, 57, 63, 85, 95, 99, 111, 115, 117, 119, 123, 153, 171, 185, 187, 201, 205, 207, 209, 213, 215, 219, 221, 225, 231, 235, 237, 245, 247, 249, 253, 255, 323, 333, 335, 355, 365, 369, 387, 391, 393, 395, 405, 407...
[ "nonn" ]
A273325
[ 1, 2, 36, 300, 1960, 11340, 60984, 312312, 1544400, 7438860, 35103640, 162954792, 746347056, 3380195000, 15164074800, 67476121200, 298135873440, 1309153089420, 5717335239000, 24847720451400, 107520292479600, 463440029892840, 1990477619679120, 8521600803066000 ]
[ "nonn", "easy" ]
A080709
[ 4, 16, 37, 58, 89, 145, 42, 20, 4, 16, 37, 58, 89, 145, 42, 20, 4, 16, 37, 58, 89, 145, 42, 20, 4, 16, 37, 58, 89, 145, 42, 20, 4, 16, 37, 58, 89, 145, 42, 20, 4, 16, 37, 58, 89, 145, 42, 20, 4, 16, 37, 58, 89, ...
[ "nonn", "base", "easy" ]
A369205
[ 1, 2, 9, 10, 15, 18, 21, 30, 40, 42, 60, 120, 288, 567, 630, 720, 756, 1023, 1134, 1428, 2046, 2160, 2268, 2520, 3024, 3276, 3570, 4092, 6048, 8184, 8925, 9240, 11424, 11550, 15345, 17850, 18144, 30690, 35700, 46200, 57120, 85680, 1...
[ "nonn" ]
A345605
[ 4099, 4130, 4161, 4341, 4372, 4583, 5122, 5153, 5364, 6145, 7223, 7254, 7465, 8246, 10347, 11874, 11905, 12116, 12897, 14998, 19649, 20905, 20936, 21147, 21928, 24029, 28680, 36866, 36897, 37108, 37711, 37889, 39990, 40138, 44641, 51393, 51448,...
[ "nonn" ]
A063275
[ 3, 6, 11, 14, 19, 21, 22, 30, 38, 39, 42, 46, 47, 51, 55, 56, 60, 62, 66, 67, 69, 70, 71, 75, 77, 78, 79, 83, 84, 86, 92, 93, 94, 95, 102, 103, 105, 107, 110, 114, 115, 118, 120, 123, 131, 138, 139, 142, 143, 147, 15...
[ "nonn" ]
A299295
[ 2, 3, 7, 12, 31, 55, 152, 273, 790, 1428, 4271, 7752, 23767, 43263, 135221, 46675, 782968, 1430715, 4598804, 8414640, 27332956, 50067108, 164081764 ]
[ "nonn", "more" ]
A351535
[ 5, 13, 17, 29, 37, 41, 53, 61, 73, 89, 97, 101, 109, 113, 137, 149, 157, 173, 181, 193, 197, 229, 233, 241, 245, 257, 269, 277, 281, 293, 313, 317, 325, 337, 349, 353, 373, 389, 397, 401, 409, 421, 425, 433, 449, 457, 461, ...
[ "nonn" ]
A335897
[ 18, 20, 35, 36, 45, 56, 77, 90, 84, 110, 104, 126, 120, 143, 135, 182, 176, 189, 170, 216, 210, 221, 198, 272, 209, 270, 264, 266, 260, 297, 252, 323, 273, 380, 299, 396, 351, 374, 368, 390, 378, 437, 350, 468, 425, 462, 360...
[ "nonn" ]
A155239
[ 1, 7, 19, 37, 144, 940, 6913, 44442, 383165, 4775804, 73750670, 1270986469, 26693174009, 724206936085, 24621385504435 ]
[ "nonn" ]
A186709
[ 0, 1, 1, 3, 4, 6, 9, 9, 10, 15, 14, 17, 16, 23, 22, 29, 25, 30, 34, 39, 36, 37, 41, 45, 48, 52, 49, 52, 52, 59, 62, 66, 72, 68, 78, 79, 80, 87, 90, 87 ]
[ "nonn" ]
A016546
[ 2, 1, 11, 6, 4, 1, 5, 3, 3, 1, 1, 1, 3, 1, 1, 4, 2, 1, 5, 2, 2, 1, 12, 62, 2, 1, 1, 6, 5, 9, 1, 1, 1, 1, 1, 19, 1, 1, 1, 2, 1, 1, 1, 2, 8, 1, 73, 10, 1, 1, 1, 25, 1, 3, 10, 1, 1, 1, 1, 3, 2, 1, ...
[ "nonn", "cofr" ]