N8Programs/oeis-enhanced · Datasets at Hugging Face

id stringlengths 7 11	seq listlengths 1 347	keywords listlengths 1 8 ⌀
A274329	[ 1, 2, 4, 3, 1, 5, 6, 2, 4, 8, 9, 3, 1, 5, 7, 10, 6, 2, 4, 8, 12, 11, 9, 3, 1, 5, 7, 13, 16, 10, 6, 2, 4, 8, 12, 14, 15, 11, 9, 3, 1, 5, 7, 13, 17, 20, 16, 10, 6, 2, 4, 8, 12, 14, 18, 19, 15, 11, 9, ...	[ "nonn", "base" ]
A140831	[ 12, 24, 40, 45, 48, 56, 60, 63, 80, 84, 90, 96, 112, 120, 126, 132, 135, 144, 156, 160, 168, 175, 176, 180, 189, 192, 204, 208, 224, 228, 240, 252, 264, 270, 275, 276, 280, 288, 297, 300, 312, 315, 320, 325, 336, 348, 350, ...	[ "nonn", "easy" ]
A298306	[ 17, 723, 52753, 49790415, 126629 ]	[ "nonn", "more" ]
A271201	[ 1, 4, 32, 168, 804, 3552, 14216, 58192, 232916, 929988, 3721036, 14867936, 59441476, 237773016, 951037696, 3803753888 ]	[ "nonn", "more" ]
A139268	[ 0, 2, 18, 48, 92, 150, 222, 308, 408, 522, 650, 792, 948, 1118, 1302, 1500, 1712, 1938, 2178, 2432, 2700, 2982, 3278, 3588, 3912, 4250, 4602, 4968, 5348, 5742, 6150, 6572, 7008, 7458, 7922, 8400, 8892, 9398, 9918, 10452, 11000 ]	[ "nonn", "easy" ]
A192318	[ 1, 1, 2, 6, 18, 61, 218, 804, 3052, 11831, 46646, 186487, 754177, 3079767, 12681568, 52595999, 219515014, 921264092, 3885468897, 16459470468, 70001813240, 298785285316, 1279450906737, 5495145204550, 23665623371950, 102175095587827 ]	[ "nonn" ]
A331460	[ 1, 2, 21, 3, 28, 4, 35, 5, 42, 6, 49, 7, 1, 3, 28, 4, 35, 5, 42, 6, 49, 7, 1, 4, 35, 5, 42, 6, 49, 7, 1, 5, 42, 6, 49, 7, 1, 6, 49, 7, 1, 7, 1, 8, 70, 10, 84, 12, 98, 14, 2, 21, 3, 28, 4, 35, 5, 42, 6...	[ "nonn", "easy", "tabf", "changed" ]
A142504	[ 97, 199, 607, 709, 811, 1117, 1321, 1423, 1627, 1831, 1933, 2137, 2239, 2341, 2647, 2749, 2851, 2953, 3259, 3361, 3463, 3769, 4177, 4483, 4789, 4993, 5197, 5503, 6217, 6421, 6829, 7237, 7951, 8053, 8461, 8563, 8971, 9277, 9787, 10093, 1...	[ "nonn", "easy" ]
A280324	[ 12, 25, 37, 99, 136, 235, 4131, 12628 ]	[ "nonn", "fini", "full" ]
A212463	[ 2, 3, 4, 5, 7, 10, 15, 22, 32, 46, 67, 98, 143, 209, 307, 449, 657, 962, 1409, 2063, 3021, 4424, 6479, 9489, 13897, 20354, 29810, 43659, 63942, 93649, 137157, 200878, 294205, 430889, 631077, 924270, 1353678 ]	[ "easy", "nonn" ]
A051779	[ 17, 37, 22501, 32401, 57601, 72901, 176401, 324901, 1664101, 1742401, 5336101, 6502501, 7452901, 11289601, 11492101, 18147601, 21622501, 34222501, 34574401, 40449601, 45968401, 81000001, 85377601, 92736901, 110880901, 118592101 ]	[ "easy", "nonn" ]
A024233	[ 0, 1, -2, -21, 668, -8363, -597350, 76652415, -5349200200, 94006240681, 53961261562294, -13137846911653100, 1863043894828247600, -101535637135541760000, -3.215670772643607e+22 ]	[ "sign" ]
A007900	[ 1, 24, 144, 456, 1056, 2040, 3504, 5544, 8256, 11736, 16080, 21384, 27744, 35256, 44016, 54120, 65664, 78744, 93456, 109896, 128160, 148344, 170544, 194856, 221376, 250200, 281424, 315144, 351456 ]	[ "nonn", "easy" ]
A292858	[ 1.1160351872116596e+47, 1.7651219347502528e+47, 2.305942816534667e+47, 3.056233271880187e+47 ]	[ "nonn", "base" ]
A005341	[ 1, 2, 2, 4, 6, 6, 8, 10, 14, 20, 26, 34, 46, 62, 78, 102, 134, 176, 226, 302, 408, 528, 678, 904, 1182, 1540, 2012, 2606, 3410, 4462, 5808, 7586, 9898, 12884, 16774, 21890, 28528, 37158, 48410, 63138, 82350, 107312, 139984, 182376...	[ "nonn", "base", "easy", "nice" ]
A125470	[ 1, 13, 157, 1813, 21997, 267483, 3255907, 39636855, 482546341, 5874634345, 71519267407, 870693584543, 10600043444419, 129047604857977, 1571058121063511, 19126458200814870, 232850330879455800 ]	[ "nonn", "base" ]
A338274	[ 1, 1, 1, 2, 1, 1, 1, 2, 1, 1, 1, 1, 1, 2, 1, 1, 2, 1, 1, 1, 0, 2, 1, 1, 1, 1, 0, 1, 2, 1, 0, 1, 1, 1, 2, 2, 0, 2, 1, 1, 2, 1, 1, 2, 0, 2, 1, 0, 2, 2, 1, 2, 1, 0, 1, 2, 0, 1, 2, 1, 1, 2, 1, 1...	[ "nonn" ]
A207948	[ 20, 400, 2340, 18330, 133812, 1007146, 7513176, 56114310, 418757982, 3126019338, 23335656728, 174203347410, 1300429210274, 9707701033916, 72467964696512, 540973578440920, 4038369684995910, 30146442775842784, 225043284353552100 ]	[ "nonn" ]
A010409	[ 0, 1, 4, 9, 16, 25, 33, 36 ]	[ "nonn", "fini", "full", "easy" ]
A365766	[ 1, 6, 56, 626, 7721, 101322, 1387648, 19606874, 283711805, 4183074796, 62618441024, 949174260118, 14539621490403, 224721722650224, 3500129695446816, 54882906729334376, 865664769346769000, 13725517938819785000, 218639429113140380000 ]	[ "nonn" ]
A203113	[ 1, 5, 20, 208, 3516, 108850, 6900201, 776174640, 167355580505, 68493666999406 ]	[ "nonn" ]
A387644	[ 1, 2, 3, 4, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 57, 58, ...	[ "nonn", "easy" ]
A102241	[ 63, 0, 17, 34, 23, 58, 2, 16, 55, 59, 7, 56, 61, 47, 4, 8, 25, 38, 3, 48, 41, 37, 32, 1, 57, 39, 33, 30, 18, 45, 28, 14, 60, 15, 40, 5, 53, 43, 20, 10, 35, 49, 31, 62, 24, 6, 26, 22, 29, 46, 9, 36, 52, 11, 13...	[ "nonn", "fini", "full" ]
A155837	[ 1, 2, 2, 2, 4, 3, 9, 0, 3, 4, 4, 4, 2, 4, 8, 3, 6, 0, 2, 1, 5, 3, 1, 6, 0, 2, 6, 3, 7, 0, 8, 4, 7, 2, 5, 5, 6, 5, 0, 9, 5, 4, 9, 1, 6, 1, 3, 9, 2, 0, 8, 7, 7, 6, 5, 0, 1, 1, 0, 3, 9, 4, 2, 6...	[ "nonn", "cons" ]
A226472	[ 0, 1, 6, 8, 4086, 24136, 162297, 7868054, 29792904, 22666693375 ]	[ "nonn", "more", "base" ]
A249968	[ 16, 14130, 42260, 491230, 11192300, 18172350, 20878660, 565802820, 592874284, 2765209166, 19789454240, 35082937167210, 393840573502266, 7027165155369334, 12621688931426416, 14721538161161584, 24823861761554840, 26825614715841970, 707326082998942700 ]	[ "nonn", "base" ]
A274112	[ 1, 1, 1, 1, 2, 3, 4, 5, 8, 12, 17, 23, 35, 52, 75, 105, 157, 232, 337, 480, 712, 1049, 1529, 2199, 3248, 4777, 6976, 10092, 14869, 21845, 31937, 46377, 68222, 100159, 146536, 213328, 313487, 460023, 673351, 981976, 1441999, 2115350, ...	[ "nonn", "walk" ]
A136836	[ 0, 1, 10, 11, 100, 101, 110, 1000, 1001, 1010, 1011, 1100, 1101, 10000, 10001, 10010, 10011, 10100, 10110, 11000, 11001, 11010, 100000, 100001, 100010, 100011, 100100, 100101, 100110, 101000, 101001, 101100, 110000, 110001, 110010, 110100, 1000...	[ "base", "nonn" ]
A000442	[ 1, 1, 8, 216, 13824, 1728000, 373248000, 128024064000, 65548320768000, 47784725839872000, 47784725839872000000, 6.360147009286963e+22, 1.0990334032047873e+26, 2.4145763868409175e+29, 6.625597605491477e+32, 2.2361391918533737e+36 ]	[ "nonn", "easy", "changed" ]
A028002	[ 1, 29, 551, 8701, 124047, 1659525, 21274807, 264643037, 3219794303, 38520062581, 454834639623, 5314864742733, 61583614410319, 708640371952997, 8107367772115799, 92304987577062600, 1046598515850404900, 11825045589370720000, 133200272973175440000, 1.496451631645515e+21 ]	[ "nonn", "easy" ]
A079267	[ 1, 0, 1, 1, 1, 1, 5, 6, 3, 1, 36, 41, 21, 6, 1, 329, 365, 185, 55, 10, 1, 3655, 3984, 2010, 610, 120, 15, 1, 47844, 51499, 25914, 7980, 1645, 231, 21, 1, 721315, 769159, 386407, 120274, 25585, 3850, 406, 28, 1, 12310199, 130...	[ "easy", "nice", "nonn", "tabl" ]
A343686	[ 1, 4, 33, 410, 6796, 140824, 3501782, 101589732, 3368237928, 125634319104, 5206805098752, 237370661584704, 11805144854303760, 636030155604374400, 36903603627294960000, 2.2941566562147592e+21, 1.521269251692973e+23, 1.0718105879980375e+25, 7.99564645068022e+26 ]	[ "nonn" ]
A038252	[ 1, 5, 10, 25, 100, 100, 125, 750, 1500, 1000, 625, 5000, 15000, 20000, 10000, 3125, 31250, 125000, 250000, 250000, 100000, 15625, 187500, 937500, 2500000, 3750000, 3000000, 1000000, 78125, 1093750, 6562500, 21875000, 43750000 ]	[ "nonn", "tabl", "easy" ]
A191498	[ 1, 1, 3, 3, -7, 25, 267, -2261, -9231, 284337, -464365, -45533741, 430558185, 8212158409, -201645489381, -1064348170245, 94082272856033, -489731454691487, -45404775138028510, 840156145287526800, 20537314081214610000, -913405900816937400000 ]	[ "sign" ]
A253822	[ 1, 256, 833, 294848, 960705, 340253760, 1108652161, 392652543616, 1279383632513, 453120695078528, 1476407603267265, 522900889468077100, 1703773094786790700, 603427173325466000000, 1.9661526749763532e+21, 6.963544351166981e+23, 2.268938483149617e+24 ]	[ "nonn", "easy" ]
A099871	[ 3, 2, 4, 2, 6, 0, 9, 4, 1, 0, 9, 2, 5, 2, 4, 8, 2, 1, 0, 6, 0, 2, 0, 3, 8, 7, 2, 8, 4, 9, 8, 1, 2, 8, 8, 1, 7, 8, 6, 3, 5, 8, 0, 4, 0, 4, 2, 6, 1, 9, 0, 8, 3, 9, 3, 4, 5, 3, 6, 6, 6, 0, 1, 4...	[ "cons", "easy", "nonn" ]
A311650	[ 1, 4, 8, 12, 20, 20, 30, 28, 38, 38, 44, 50, 50, 64, 58, 72, 68, 78, 82, 80, 96, 88, 106, 98, 110, 114, 112, 130, 120, 142, 128, 142, 146, 142, 164, 150, 176, 158, 174, 178, 172, 198, 180, 210, 188, 206, 210, 202, 232, ...	[ "nonn" ]
A201223	[ 3, 8, 7, 5, 8, 7, 7, 15, 13, 8, 15, 13, 5, 21, 19, 16, 21, 19, 11, 35, 31, 24, 35, 31, 7, 40, 37, 33, 40, 37, 13, 48, 43, 35, 48, 43, 16, 55, 49, 39, 55, 49, 9, 65, 61, 56, 65, 61, 32, 77, 67, 45, 77, 67, 17,...	[ "nonn" ]
A159840	[ 1, 15, -17, -7515, -100383, 5768775, 207995055, -5256335475, -431188655295, 3708435650175, 994755425985135, 5946917116353525, -2558835187227126300, -55652375114297530000, 7.215309872302077e+21, 2.967798949717712e+23, -2.173987641187997e+25 ]	[ "sign", "frac" ]
A075334	[ 3, 11, 17, 22, 27, 34, 39, 45, 49, 57, 61, 68, 73, 79, 88, 90, 99, 105, 110, 114, 122, 127, 132, 139, 145, 151, 155, 161, 165, 170, 176, 185, 189, 193, 198, 205, 210, 215, 223, 228, 234, 239, 244, 249, 255, 259, 269, 275, ...	[ "nonn" ]
A195484	[ 1, 7, 0, 6, 0, 4, 6, 3, 5, 0, 3, 4, 4, 2, 3, 2, 4, 4, 2, 2, 8, 5, 4, 1, 9, 9, 0, 4, 0, 9, 8, 4, 7, 0, 6, 0, 7, 6, 2, 3, 6, 8, 0, 2, 8, 8, 7, 3, 0, 0, 1, 5, 3, 3, 5, 0, 3, 6, 2, 4, 1, 9, 6, 8...	[ "nonn", "cons" ]
A152525	[ 0, 0, 1, 7, 65, 811, 12762, 244588, 5574956, 148332645, 4538695461, 157768581675, 6167103354744, 268758895112072, 12961171404183498, 687270616305277600, 39843719438375000000, 2.5128731265132716e+21, 1.7164311319008252e+23, 1.2647168303374366e+25 ]	[ "nonn" ]
A305222	[ 0, 72, 264, 2184, 18876, 212231, 1893682, 18341237, 187726549, 1840314098, 18245534902, 183015534083, 1824304190546, 18181062439771, 181718318664105, 1815055170789611, 18120171543186400, 181005843101434050 ]	[ "nonn" ]
A085768	[ 0, 4, 5, 16, 11, 6, 16, 16, 14, 16, 7, 16, 14, 16, 16, 33, 39, 35, 12, 16, 16, 61, 8, 16, 26, 28, 14, 16, 12, 16, 66, 53, 19, 39, 16, 62, 20, 39, 14, 16, 19, 16, 50, 61, 42, 16, 9, 112, 90, 26, 39, 28, 10, 62, ...	[ "nonn" ]
A018406	[ 1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 175, 350 ]	[ "nonn", "fini", "full", "easy" ]
A047947	[ 2, 4, 2, 4, 4, 4, 6, 4, 2, 4, 6, 6, 2, 6, 4, 6, 4, 6, 4, 4, 6, 4, 6, 10, 4, 6, 6, 4, 6, 4, 6, 6, 4, 2, 4, 6, 8, 6, 4, 2, 8, 4, 10, 2, 4, 10, 10, 4, 6, 6, 2, 10, 6, 2, 6, 4, 6, 12, 4, 6, 10, 4, ...	[ "nonn" ]
A015636	[ 1, 2, 4, 6, 12, 14, 28, 36, 52, 58, 110, 118, 209, 231, 264, 308, 507, 533, 828, 886, 998, 1078, 1591, 1655, 2074, 2225, 2583, 2741, 3785, 3849, 5164, 5578, 6091, 6449, 7179, 7375, 9561, 10080, 10911, 11290, 14298, 14520, 18084, 1...	[ "nonn" ]
A261611	[ 1, 2, 2, 2, 2, 4, 6, 6, 6, 8, 12, 14, 14, 16, 22, 28, 30, 32, 40, 50, 56, 60, 70, 86, 98, 106, 120, 144, 166, 180, 200, 234, 270, 296, 324, 372, 428, 472, 514, 580, 664, 736, 800, 890, 1010, 1124, 1222, 1346, 1514, 168...	[ "nonn" ]
A168912	[ 1, 43, 1806, 75852, 3185784, 133802928, 5619722976, 236028364992, 9913191329664, 416354035845888, 17486869505527296, 734448519232146400, 30846837807750152000, 1.2955671879255062e+21, 5.441382189287126e+22 ]	[ "nonn" ]
A014198	[ 0, 4, 8, 8, 12, 20, 20, 20, 24, 28, 36, 36, 36, 44, 44, 44, 48, 56, 60, 60, 68, 68, 68, 68, 68, 80, 88, 88, 88, 96, 96, 96, 100, 100, 108, 108, 112, 120, 120, 120, 128, 136, 136, 136, 136, 144, 144, 144, 144, 148, 16...	[ "nonn", "easy" ]
A043870	[ 17, 18, 19, 24, 25, 27, 28, 29, 30, 33, 34, 35, 36, 38, 39, 44, 45, 46, 49, 50, 51, 52, 54, 55, 56, 57, 59, 65, 66, 67, 69, 74, 79, 81, 82, 83, 88, 89, 91, 92, 93, 94, 96, 101, 104, 105, 107, 111, 112, 117, 122, 12...	[ "nonn", "base" ]
A176859	[ 1, 5, 8, 38, 152, 743, 3608, 18515, 96542, 515525, 2792780, 15341492, 85186412, 477531833, 2698428176, 15355638218, 87919098128, 506118923897, 2927616746156, 17007899032118, 99191713057280, 580535666936861 ]	[ "easy", "nonn" ]
A317266	[ 1, 2, 2, 3, 5, 3, 5, 7, 7, 5, 8, 17, 10, 17, 8, 13, 35, 21, 21, 35, 13, 21, 61, 46, 74, 46, 61, 21, 34, 127, 91, 158, 158, 91, 127, 34, 55, 265, 186, 440, 718, 440, 186, 265, 55, 89, 507, 409, 1220, 1964, 1964, 122...	[ "nonn", "tabl" ]
A089973	[ 1, 6, 24, 48, 25440, 554400 ]	[ "nonn" ]
A340299	[ 2, 6, 40, 45, 90, 420, 468, 608, 741, 873, 1216, 1547, 2425, 2451, 2829, 4199, 4208, 6384, 6916, 7552, 7667, 8250, 8325, 8815, 8820, 11008, 11765, 12348, 12408, 12711, 13377, 13920, 14157, 15065, 15246, 15738, 16836, 17640, 17690, 18020, ...	[ "nonn" ]
A186246	[ -1, 2, -24, 720, -40320, 3628800, -479001600, 87178291200, -20922789888000, 6402373705728000, -2432902008176640000, 1.1240007277776077e+21, -6.204484017332394e+23, 4.0329146112660565e+26, -3.0488834461171387e+29, 2.6525285981219107e+32 ]	[ "sign" ]
A321901	[ 1, 1, 3, 1, 3, 5, 7, 1, 3, 13, 7, 9, 11, 5, 15, 1, 19, 29, 7, 25, 27, 21, 15, 17, 3, 13, 23, 9, 11, 5, 31, 1, 19, 29, 7, 57, 27, 21, 15, 49, 35, 13, 23, 41, 43, 5, 31, 33, 51, 61, 39, 25, 59, 53, 47, 17, ...	[ "nonn", "tabf" ]
A344936	[ 11, 19, 19, 71, 98689, 130049597, 78736136153 ]	[ "nonn", "base", "hard", "more" ]
A182334	[ 0, 1, 3, 10, 15, 120, 325, 528, 4095, 11026, 17955, 139128, 374545, 609960, 4726275, 12723490, 20720703, 160554240, 432224101, 703893960, 5454117903, 14682895930, 23911673955, 185279454480, 498786237505, 812293020528, 6294047334435, 16944049179226 ]	[ "nonn", "easy" ]
A063391	[ 2, 16, 512, 65536, 33554432, 68719476736, 562949953421312, 13098680304497852000, 6.688208641462642e+23, 1.07256832111727e+29, 6.1528102027124e+34 ]	[ "nonn" ]
A008443	[ 1, 3, 3, 4, 6, 3, 6, 9, 3, 7, 9, 6, 9, 9, 6, 6, 15, 9, 7, 12, 3, 15, 15, 6, 12, 12, 9, 12, 15, 6, 13, 21, 12, 6, 15, 9, 12, 24, 9, 18, 12, 9, 18, 15, 12, 13, 24, 9, 15, 24, 6, 18, 27, 6, 12, 15, 18, 24,...	[ "nonn", "easy", "look", "nice" ]
A241661	[ 2, 3, 23, 60217, 108412217573460830, 1.4300309730966958e+26 ]	[ "nonn" ]
A232202	[ 193531, 263553379, 304936615565, 362285582855051, 432206209011195260, 515298827433540900000, 6.142689695654709e+23, 7.32263215190698e+26, 8.729273128482482e+29 ]	[ "nonn" ]
A332868	[ 1, 2, 6, 12, 44, 88, 264, 528, 2064, 4128, 12384, 24768, 90816, 181632, 544896, 1089792, 4292864, 8585728, 25757184, 51514368, 188886016, 377772032, 1133316096, 2266632192, 8860471296, 17720942592, 53162827776, 106325655552, 389860737024, 779721474048, 233...	[ "nonn" ]
A066409	[ 1, 2, 1, 4, 13, 22, 33, 103, 195, 381, 934, 1858, 3747, 9166, 31279 ]	[ "more", "nonn" ]
A072159	[ 1, 8, 216, 864, 108000, 12000, 4116000, 16464000, 1333584000, 1333584000, 1775000304000, 1775000304000, 3899675667888000, 3899675667888000, 3899675667888000, 15598702671552000, 76636426225334980000, 2838386156493888000, 1.946849064739158e+22, 1.946849064739158e+22 ]	[ "nonn", "frac" ]
A356357	[ 4, 21, 25, 205, 26707, 27679, 3066877, 3067067, 3067097, 3067117, 3067147, 3067177, 3067557, 3067567, 3067577, 3067607, 3067717, 348933193, 348933421, 348933439, 44690978633, 44690978899, 6553736049327, 6553736049407, 6553736049599, 6553736049631, 6553736049823, ...	[ "nonn", "hard" ]
A317008	[ 16, 192, 1704, 16048, 147281, 1372782, 12838095, 120108770, 1124195594, 10524878708, 98550592637, 922850729408, 8642158545087, 80932571989018, 757932288592261, 7098080021451769, 66474230286254440, 622539435306862200 ]	[ "nonn" ]
A277276	[ 0, 0, 0, 0, 2, 8, 14, 26, 63, 215, 527 ]	[ "nonn", "more" ]
A388059	[ 2, 2, 3, 4, 5, 6, 7, 8, 9, 20, 22, 24, 26, 28, 30, 32, 34, 36, 38, 20, 42, 22, 23, 24, 25, 26, 27, 28, 29, 30, 62, 32, 33, 34, 35, 36, 37, 38, 39, 40, 82, 42, 43, 44, 45, 46, 47, 48, 49, 50, 204, 52, 53, 54, ...	[ "nonn", "base" ]
A153875	[ 0, 3, 39, 108, 210, 345, 513, 714, 948, 1215, 1515, 1848, 2214, 2613, 3045, 3510, 4008, 4539, 5103, 5700, 6330, 6993, 7689, 8418, 9180, 9975, 10803, 11664, 12558, 13485, 14445, 15438, 16464, 17523, 18615, 19740, 20898, 22089 ]	[ "nonn", "easy" ]
A136775	[ 1, 3, 11, 40, 145, 525, 1900, 6875, 24875, 90000, 325625, 1178125, 4262500, 15421875, 55796875, 201875000, 730390625, 2642578125, 9560937500, 34591796875, 125154296875, 452812500000, 1638291015625, 5927392578125, 21445507812500, 77590576171875 ]	[ "nonn", "easy" ]
A077238	[ 4, 5, 11, 16, 40, 59, 149, 220, 556, 821, 2075, 3064, 7744, 11435, 28901, 42676, 107860, 159269, 402539, 594400, 1502296, 2218331, 5606645, 8278924, 20924284, 30897365, 78090491, 115310536, 291437680, 430344779, 1087660229, 1606068580, 4059203236, 59...	[ "nonn", "easy" ]
A308948	[ 0, 1, 1, 1, 3, 1, 6, 5, 1, 3, 10, 1, 8, 13, 4, 9, 16, 1, 18, 9, 13, 21, 1, 13, 18, 5, 1, 13, 12, 19, 30, 17, 10, 33, 6, 1, 31, 37, 25, 29, 32, 13, 1, 21, 19, 1, 46, 25, 48, 43, 16, 25, 1, 1, 21, 41, 37, ...	[ "nonn" ]
A388308	[ 2, 1, 2, 1, 9, 9, 5, 7, 5, 0, 5, 1, 0, 5, 9, 8, 6, 5, 7, 2, 1, 3, 7, 2, 6, 7, 1, 0, 3, 6, 6, 8, 2, 1, 8, 2, 3, 9, 9, 0, 2, 3, 5, 1, 1, 9, 2, 1, 6, 0, 1, 7, 0, 7, 1, 4, 4, 3, 4, 5, 8, 6, 8, 5...	[ "nonn", "cons" ]
A361400	[ 1, 4, 9, 4, 20, 12, 21, 8, 36, 60, 22, 12, 65, 56, 30, 48, 85, 18, 38, 120, 105, 66, 46, 96, 125, 78, 162, 112, 29, 90, 186, 160, 33, 68, 210, 180, 37, 114, 234, 160, 41, 126, 258, 220, 45, 92, 282, 240, 49, 100, 153...	[ "nonn" ]
A136300	[ 1, 0, 1, 5, 76, 1624, 52116, 2298708, 133929216, 9961180416, 921248743680, 103715841415680, 13967643016085760, 2217449301162071000, 409861043056032500000, 8.726262687238465e+22, 2.1202798521768885e+25, 5.83166009058606e+27, 1.8025875645360116e+30 ]	[ "nonn" ]
A328525	[ 3, 5, 9, 21, 55, 131, 145, 155, 231, 259, 265, 449, 495, 561, 595, 1045, 1051, 1365, 1409, 1491, 1549, 1849, 1989, 2001, 2101, 2469, 2785, 3365, 3621, 3641, 3669, 3845, 3911, 4285, 4951, 5181, 5465, 6049, 6699, 7189, 7229, 8219, 862...	[ "nonn" ]
A032964	[ 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 16, 18, 20, 22, 24, 26, 28, 30, 32, 34, 36, 38, 40, 42, 44, 46, 48, 50, 52, 54, 56, 58, 60, 62, 64, 66, 68, 70, 72, 74, 76, 78, 80, 82, 84, 86, 88, 90, 92, 94, 9...	[ "nonn", "base" ]
A245188	[ 1, 3, 2, 1, 2, 0, 1, 3, 2, 0, 1, 2, 1, 3, 2, 1, 2, 0, 1, 2, 1, 3, 2, 0, 1, 3, 2, 1, 2, 0, 1, 3, 2, 0, 1, 2, 1, 3, 2, 0, 1, 3, 2, 1, 2, 0, 1, 2, 1, 3, 2, 1, 2, 0, 1, 3, 2, 0, 1, 2, 1, 3, 2, 1...	[ "nonn" ]
A099129	[ 0, 1, 6, 231, 1186570, 347357071281165, 2.0768953513397695e+33, 1.438928688028563e+74 ]	[ "nonn", "easy" ]
A115134	[ 10, 30, 95, 311, 1043, 3564, 12363, 43420, 154088, 551684, 1990326, 7228417, 26405725, 96961560, 357688755, 1324982160, 4926502020, 18379785300, 68783559810, 258141170430, 971310800694, 3663524817768, 13848466284350 ]	[ "nonn", "easy" ]
A271488	[ 1, 2, 3, 4, 5, 8, 11, 15, 21, 30, 41, 56, 79, 112, 153, 209, 297, 418, 571, 782, 1109, 1560, 2131, 2940, 4141, 5822, 7953, 10981, 15455, 21728, 29681, 41003, 57681, 81090, 110771, 153105, 215269, 302632, 413403, 571428, 803397 ]	[ "nonn", "more" ]
A195871	[ 2, 2, 2, 17, 59, 29, 239, 227, 107, 149, 347, 191, 569, 461, 269, 659, 311, 1277, 2711, 821, 1427, 2711, 3581, 1019, 1451, 1319, 9281, 4931, 6269, 5849, 11549, 35729, 8537, 5441, 5741, 10007, 29759 ]	[ "nonn" ]
A297084	[ 81, 2620, 105494, 6743851, 444282892, 31284950414, 2245841563645, 161959380452328, 11725115199949680, 849721643676688300, 61607378083911680000, 4.467778025062737e+21, 3.2402903975398267e+23 ]	[ "nonn" ]
A194895	[ 0, -1, 9, 131, 1396, 13786, 131537, 1239745, 11665803, 109941002, 1038723932, 9841935529, 93518105160, 891022511814, 8510960557278, 81485246876212, 781818951793344 ]	[ "sign" ]
A098539	[ 1, 1, 1, 2, 2, 1, 6, 6, 4, 1, 26, 26, 20, 8, 1, 166, 166, 140, 72, 16, 1, 1626, 1626, 1460, 888, 272, 32, 1, 25510, 25510, 23884, 16392, 6256, 1056, 64, 1, 664666, 664666, 639156, 479736, 215696, 46816, 4160, 128, 1, 29559718,...	[ "nonn", "tabl" ]
A021479	[ 0, 0, 2, 1, 0, 5, 2, 6, 3, 1, 5, 7, 8, 9, 4, 7, 3, 6, 8, 4, 2, 1, 0, 5, 2, 6, 3, 1, 5, 7, 8, 9, 4, 7, 3, 6, 8, 4, 2, 1, 0, 5, 2, 6, 3, 1, 5, 7, 8, 9, 4, 7, 3, 6, 8, 4, 2, 1, 0, 5, 2, 6, 3, 1...	[ "nonn", "cons" ]
A073384	[ 1, 16, 152, 1104, 6756, 36624, 181224, 834768, 3628746, 15035504, 59829704, 229977904, 857894388, 3117321456, 11067753144, 38492230704, 131417200419, 441252045408, 1459330704656, 4760342849504 ]	[ "nonn", "easy" ]
A242540	[ 444, 11, 3, 0, 13, 21 ]	[ "nonn", "fini", "more" ]
A109366	[ 1, 2, 9, 55, 448, 5533, 77753, 1415862, 28378685, 685274581, 20695944714, 662817798145, 25290008485783, 1064065877641048, 46842303103453736, 2251599342111454700, 121817407196390150000, 7.320071385771595e+21 ]	[ "nonn" ]
A302565	[ 1, 1, 7, 85, 1429, 30517, 792007, 24293389, 862902745, 34918162057, 1587910815271, 80217252865861, 4457823231346717, 270261899977497300, 17749585402744291000, 1.255201826997863e+21, 9.508375834033707e+22, 7.680863233559647e+24, 6.590409003040991e+26, 5.985529901503004e+28 ]	[ "nonn" ]
A146437	[ 1, 1, 1, 17, 57, 337, 4357, 135183, 3521533, 135176521, 9933992919, 1311405922839 ]	[ "nonn" ]
A235364	[ 29, 31, 857, 859, 1721, 1723 ]	[ "nonn", "more", "hard" ]
A388434	[ 2, 4, 7, 5, 9, 0, 4, 1, 5, 3, 2, 4, 4, 0, 8, 7, 9, 7, 9, 4, 6, 5, 5, 1, 1, 0, 0, 9, 9, 9, 7, 4, 3, 8, 1, 6, 9, 1, 5, 6, 3, 4, 1, 4, 8, 6, 2, 4, 7, 6, 2, 6, 6, 7, 4, 6, 7, 1, 5, 4, 6, 7, 8, 4...	[ "nonn", "cons" ]
A122356	[ 0, 1, 3, 2, 8, 7, 5, 4, 6, 22, 21, 18, 17, 20, 13, 12, 11, 10, 9, 15, 19, 16, 14, 64, 63, 59, 58, 62, 50, 49, 48, 46, 45, 55, 61, 57, 54, 36, 35, 32, 31, 34, 33, 30, 29, 27, 26, 28, 24, 23, 25, 41, 40, 52, 60...	[ "nonn" ]
A252536	[ 535, 426, 610, 790, 1592, 2440, 3160, 6368, 9760, 12640, 25472, 39040, 50560, 101888, 156160, 202240, 407552, 624640, 808960, 1630208, 2498560, 3235840, 6520832, 9994240, 12943360, 26083328, 39976960, 51773440, 104333312, 159907840 ]	[ "nonn" ]
A173347	[ 21, 233, 196418, 9227465, 165580141, 2971215073, 53316291173, 2504730781961, 3416454622906707, 51680708854858330000, 1.8455182579303308e+23, 8.9892370700848e+29, 3.2100568094561075e+33 ]	[ "base", "nonn" ]
A248656	[ 1, -4, 1172, -2394604, 17925470132, -356711164156204, 15557257046545590000, -1.306859934761007e+24, 1.927578268132831e+29, -4.656451072145261e+34, 1.7449940281041873e+40, -9.712709908164238e+45 ]	[ "sign" ]
A344430	[ 1, -3, -30, -30, -3155, 43501, -780042, -780042, -780042, 9999219958, -275312450653, -275312450653, -303150419042906, 10808856406515110, 448702746787374460, 448702746787374460, -826791559139549400000, -826791559139549400000 ]	[ "sign" ]

A274329

[ 1, 2, 4, 3, 1, 5, 6, 2, 4, 8, 9, 3, 1, 5, 7, 10, 6, 2, 4, 8, 12, 11, 9, 3, 1, 5, 7, 13, 16, 10, 6, 2, 4, 8, 12, 14, 15, 11, 9, 3, 1, 5, 7, 13, 17, 20, 16, 10, 6, 2, 4, 8, 12, 14, 18, 19, 15, 11, 9, ...

[ "nonn", "base" ]

A140831

[ 12, 24, 40, 45, 48, 56, 60, 63, 80, 84, 90, 96, 112, 120, 126, 132, 135, 144, 156, 160, 168, 175, 176, 180, 189, 192, 204, 208, 224, 228, 240, 252, 264, 270, 275, 276, 280, 288, 297, 300, 312, 315, 320, 325, 336, 348, 350, ...

[ "nonn", "easy" ]

A298306

[ 17, 723, 52753, 49790415, 126629 ]

[ "nonn", "more" ]

A271201

[ 1, 4, 32, 168, 804, 3552, 14216, 58192, 232916, 929988, 3721036, 14867936, 59441476, 237773016, 951037696, 3803753888 ]

[ "nonn", "more" ]

A139268

[ 0, 2, 18, 48, 92, 150, 222, 308, 408, 522, 650, 792, 948, 1118, 1302, 1500, 1712, 1938, 2178, 2432, 2700, 2982, 3278, 3588, 3912, 4250, 4602, 4968, 5348, 5742, 6150, 6572, 7008, 7458, 7922, 8400, 8892, 9398, 9918, 10452, 11000 ]

[ "nonn", "easy" ]

A192318

[ 1, 1, 2, 6, 18, 61, 218, 804, 3052, 11831, 46646, 186487, 754177, 3079767, 12681568, 52595999, 219515014, 921264092, 3885468897, 16459470468, 70001813240, 298785285316, 1279450906737, 5495145204550, 23665623371950, 102175095587827 ]

[ "nonn" ]

A331460

[ 1, 2, 21, 3, 28, 4, 35, 5, 42, 6, 49, 7, 1, 3, 28, 4, 35, 5, 42, 6, 49, 7, 1, 4, 35, 5, 42, 6, 49, 7, 1, 5, 42, 6, 49, 7, 1, 6, 49, 7, 1, 7, 1, 8, 70, 10, 84, 12, 98, 14, 2, 21, 3, 28, 4, 35, 5, 42, 6...

[ "nonn", "easy", "tabf", "changed" ]

A142504

[ 97, 199, 607, 709, 811, 1117, 1321, 1423, 1627, 1831, 1933, 2137, 2239, 2341, 2647, 2749, 2851, 2953, 3259, 3361, 3463, 3769, 4177, 4483, 4789, 4993, 5197, 5503, 6217, 6421, 6829, 7237, 7951, 8053, 8461, 8563, 8971, 9277, 9787, 10093, 1...

[ "nonn", "easy" ]

A280324

[ 12, 25, 37, 99, 136, 235, 4131, 12628 ]

[ "nonn", "fini", "full" ]

A212463

[ 2, 3, 4, 5, 7, 10, 15, 22, 32, 46, 67, 98, 143, 209, 307, 449, 657, 962, 1409, 2063, 3021, 4424, 6479, 9489, 13897, 20354, 29810, 43659, 63942, 93649, 137157, 200878, 294205, 430889, 631077, 924270, 1353678 ]

[ "easy", "nonn" ]

A051779

[ 17, 37, 22501, 32401, 57601, 72901, 176401, 324901, 1664101, 1742401, 5336101, 6502501, 7452901, 11289601, 11492101, 18147601, 21622501, 34222501, 34574401, 40449601, 45968401, 81000001, 85377601, 92736901, 110880901, 118592101 ]

[ "easy", "nonn" ]

A024233

[ 0, 1, -2, -21, 668, -8363, -597350, 76652415, -5349200200, 94006240681, 53961261562294, -13137846911653100, 1863043894828247600, -101535637135541760000, -3.215670772643607e+22 ]

[ "sign" ]

A007900

[ 1, 24, 144, 456, 1056, 2040, 3504, 5544, 8256, 11736, 16080, 21384, 27744, 35256, 44016, 54120, 65664, 78744, 93456, 109896, 128160, 148344, 170544, 194856, 221376, 250200, 281424, 315144, 351456 ]

[ "nonn", "easy" ]

A292858

[ 1.1160351872116596e+47, 1.7651219347502528e+47, 2.305942816534667e+47, 3.056233271880187e+47 ]

[ "nonn", "base" ]

A005341

[ 1, 2, 2, 4, 6, 6, 8, 10, 14, 20, 26, 34, 46, 62, 78, 102, 134, 176, 226, 302, 408, 528, 678, 904, 1182, 1540, 2012, 2606, 3410, 4462, 5808, 7586, 9898, 12884, 16774, 21890, 28528, 37158, 48410, 63138, 82350, 107312, 139984, 182376...

[ "nonn", "base", "easy", "nice" ]

A125470

[ 1, 13, 157, 1813, 21997, 267483, 3255907, 39636855, 482546341, 5874634345, 71519267407, 870693584543, 10600043444419, 129047604857977, 1571058121063511, 19126458200814870, 232850330879455800 ]

[ "nonn", "base" ]

A338274

[ 1, 1, 1, 2, 1, 1, 1, 2, 1, 1, 1, 1, 1, 2, 1, 1, 2, 1, 1, 1, 0, 2, 1, 1, 1, 1, 0, 1, 2, 1, 0, 1, 1, 1, 2, 2, 0, 2, 1, 1, 2, 1, 1, 2, 0, 2, 1, 0, 2, 2, 1, 2, 1, 0, 1, 2, 0, 1, 2, 1, 1, 2, 1, 1...

[ "nonn" ]

A207948

[ 20, 400, 2340, 18330, 133812, 1007146, 7513176, 56114310, 418757982, 3126019338, 23335656728, 174203347410, 1300429210274, 9707701033916, 72467964696512, 540973578440920, 4038369684995910, 30146442775842784, 225043284353552100 ]

[ "nonn" ]

A010409

[ 0, 1, 4, 9, 16, 25, 33, 36 ]

[ "nonn", "fini", "full", "easy" ]

A365766

[ 1, 6, 56, 626, 7721, 101322, 1387648, 19606874, 283711805, 4183074796, 62618441024, 949174260118, 14539621490403, 224721722650224, 3500129695446816, 54882906729334376, 865664769346769000, 13725517938819785000, 218639429113140380000 ]

[ "nonn" ]

A203113

[ 1, 5, 20, 208, 3516, 108850, 6900201, 776174640, 167355580505, 68493666999406 ]

[ "nonn" ]

A387644

[ 1, 2, 3, 4, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 57, 58, ...

[ "nonn", "easy" ]

A102241

[ 63, 0, 17, 34, 23, 58, 2, 16, 55, 59, 7, 56, 61, 47, 4, 8, 25, 38, 3, 48, 41, 37, 32, 1, 57, 39, 33, 30, 18, 45, 28, 14, 60, 15, 40, 5, 53, 43, 20, 10, 35, 49, 31, 62, 24, 6, 26, 22, 29, 46, 9, 36, 52, 11, 13...

[ "nonn", "fini", "full" ]

A155837

[ 1, 2, 2, 2, 4, 3, 9, 0, 3, 4, 4, 4, 2, 4, 8, 3, 6, 0, 2, 1, 5, 3, 1, 6, 0, 2, 6, 3, 7, 0, 8, 4, 7, 2, 5, 5, 6, 5, 0, 9, 5, 4, 9, 1, 6, 1, 3, 9, 2, 0, 8, 7, 7, 6, 5, 0, 1, 1, 0, 3, 9, 4, 2, 6...

[ "nonn", "cons" ]

A226472

[ 0, 1, 6, 8, 4086, 24136, 162297, 7868054, 29792904, 22666693375 ]

[ "nonn", "more", "base" ]

A249968

[ 16, 14130, 42260, 491230, 11192300, 18172350, 20878660, 565802820, 592874284, 2765209166, 19789454240, 35082937167210, 393840573502266, 7027165155369334, 12621688931426416, 14721538161161584, 24823861761554840, 26825614715841970, 707326082998942700 ]

[ "nonn", "base" ]

A274112

[ 1, 1, 1, 1, 2, 3, 4, 5, 8, 12, 17, 23, 35, 52, 75, 105, 157, 232, 337, 480, 712, 1049, 1529, 2199, 3248, 4777, 6976, 10092, 14869, 21845, 31937, 46377, 68222, 100159, 146536, 213328, 313487, 460023, 673351, 981976, 1441999, 2115350, ...

[ "nonn", "walk" ]

A136836

[ 0, 1, 10, 11, 100, 101, 110, 1000, 1001, 1010, 1011, 1100, 1101, 10000, 10001, 10010, 10011, 10100, 10110, 11000, 11001, 11010, 100000, 100001, 100010, 100011, 100100, 100101, 100110, 101000, 101001, 101100, 110000, 110001, 110010, 110100, 1000...

[ "base", "nonn" ]

A000442

[ 1, 1, 8, 216, 13824, 1728000, 373248000, 128024064000, 65548320768000, 47784725839872000, 47784725839872000000, 6.360147009286963e+22, 1.0990334032047873e+26, 2.4145763868409175e+29, 6.625597605491477e+32, 2.2361391918533737e+36 ]

[ "nonn", "easy", "changed" ]

A028002

[ 1, 29, 551, 8701, 124047, 1659525, 21274807, 264643037, 3219794303, 38520062581, 454834639623, 5314864742733, 61583614410319, 708640371952997, 8107367772115799, 92304987577062600, 1046598515850404900, 11825045589370720000, 133200272973175440000, 1.496451631645515e+21 ]

[ "nonn", "easy" ]

A079267

[ 1, 0, 1, 1, 1, 1, 5, 6, 3, 1, 36, 41, 21, 6, 1, 329, 365, 185, 55, 10, 1, 3655, 3984, 2010, 610, 120, 15, 1, 47844, 51499, 25914, 7980, 1645, 231, 21, 1, 721315, 769159, 386407, 120274, 25585, 3850, 406, 28, 1, 12310199, 130...

[ "easy", "nice", "nonn", "tabl" ]

A343686

[ 1, 4, 33, 410, 6796, 140824, 3501782, 101589732, 3368237928, 125634319104, 5206805098752, 237370661584704, 11805144854303760, 636030155604374400, 36903603627294960000, 2.2941566562147592e+21, 1.521269251692973e+23, 1.0718105879980375e+25, 7.99564645068022e+26 ]

[ "nonn" ]

A038252

[ 1, 5, 10, 25, 100, 100, 125, 750, 1500, 1000, 625, 5000, 15000, 20000, 10000, 3125, 31250, 125000, 250000, 250000, 100000, 15625, 187500, 937500, 2500000, 3750000, 3000000, 1000000, 78125, 1093750, 6562500, 21875000, 43750000 ]

[ "nonn", "tabl", "easy" ]

A191498

[ 1, 1, 3, 3, -7, 25, 267, -2261, -9231, 284337, -464365, -45533741, 430558185, 8212158409, -201645489381, -1064348170245, 94082272856033, -489731454691487, -45404775138028510, 840156145287526800, 20537314081214610000, -913405900816937400000 ]

[ "sign" ]

A253822

[ 1, 256, 833, 294848, 960705, 340253760, 1108652161, 392652543616, 1279383632513, 453120695078528, 1476407603267265, 522900889468077100, 1703773094786790700, 603427173325466000000, 1.9661526749763532e+21, 6.963544351166981e+23, 2.268938483149617e+24 ]

[ "nonn", "easy" ]

A099871

[ 3, 2, 4, 2, 6, 0, 9, 4, 1, 0, 9, 2, 5, 2, 4, 8, 2, 1, 0, 6, 0, 2, 0, 3, 8, 7, 2, 8, 4, 9, 8, 1, 2, 8, 8, 1, 7, 8, 6, 3, 5, 8, 0, 4, 0, 4, 2, 6, 1, 9, 0, 8, 3, 9, 3, 4, 5, 3, 6, 6, 6, 0, 1, 4...

[ "cons", "easy", "nonn" ]

A311650

[ 1, 4, 8, 12, 20, 20, 30, 28, 38, 38, 44, 50, 50, 64, 58, 72, 68, 78, 82, 80, 96, 88, 106, 98, 110, 114, 112, 130, 120, 142, 128, 142, 146, 142, 164, 150, 176, 158, 174, 178, 172, 198, 180, 210, 188, 206, 210, 202, 232, ...

[ "nonn" ]

A201223

[ 3, 8, 7, 5, 8, 7, 7, 15, 13, 8, 15, 13, 5, 21, 19, 16, 21, 19, 11, 35, 31, 24, 35, 31, 7, 40, 37, 33, 40, 37, 13, 48, 43, 35, 48, 43, 16, 55, 49, 39, 55, 49, 9, 65, 61, 56, 65, 61, 32, 77, 67, 45, 77, 67, 17,...

[ "nonn" ]

A159840

[ 1, 15, -17, -7515, -100383, 5768775, 207995055, -5256335475, -431188655295, 3708435650175, 994755425985135, 5946917116353525, -2558835187227126300, -55652375114297530000, 7.215309872302077e+21, 2.967798949717712e+23, -2.173987641187997e+25 ]

[ "sign", "frac" ]

A075334

[ 3, 11, 17, 22, 27, 34, 39, 45, 49, 57, 61, 68, 73, 79, 88, 90, 99, 105, 110, 114, 122, 127, 132, 139, 145, 151, 155, 161, 165, 170, 176, 185, 189, 193, 198, 205, 210, 215, 223, 228, 234, 239, 244, 249, 255, 259, 269, 275, ...

[ "nonn" ]

A195484

[ 1, 7, 0, 6, 0, 4, 6, 3, 5, 0, 3, 4, 4, 2, 3, 2, 4, 4, 2, 2, 8, 5, 4, 1, 9, 9, 0, 4, 0, 9, 8, 4, 7, 0, 6, 0, 7, 6, 2, 3, 6, 8, 0, 2, 8, 8, 7, 3, 0, 0, 1, 5, 3, 3, 5, 0, 3, 6, 2, 4, 1, 9, 6, 8...

[ "nonn", "cons" ]

A152525

[ 0, 0, 1, 7, 65, 811, 12762, 244588, 5574956, 148332645, 4538695461, 157768581675, 6167103354744, 268758895112072, 12961171404183498, 687270616305277600, 39843719438375000000, 2.5128731265132716e+21, 1.7164311319008252e+23, 1.2647168303374366e+25 ]

[ "nonn" ]

A305222

[ 0, 72, 264, 2184, 18876, 212231, 1893682, 18341237, 187726549, 1840314098, 18245534902, 183015534083, 1824304190546, 18181062439771, 181718318664105, 1815055170789611, 18120171543186400, 181005843101434050 ]

[ "nonn" ]

A085768

[ 0, 4, 5, 16, 11, 6, 16, 16, 14, 16, 7, 16, 14, 16, 16, 33, 39, 35, 12, 16, 16, 61, 8, 16, 26, 28, 14, 16, 12, 16, 66, 53, 19, 39, 16, 62, 20, 39, 14, 16, 19, 16, 50, 61, 42, 16, 9, 112, 90, 26, 39, 28, 10, 62, ...

[ "nonn" ]

A018406

[ 1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 175, 350 ]

[ "nonn", "fini", "full", "easy" ]

A047947

[ 2, 4, 2, 4, 4, 4, 6, 4, 2, 4, 6, 6, 2, 6, 4, 6, 4, 6, 4, 4, 6, 4, 6, 10, 4, 6, 6, 4, 6, 4, 6, 6, 4, 2, 4, 6, 8, 6, 4, 2, 8, 4, 10, 2, 4, 10, 10, 4, 6, 6, 2, 10, 6, 2, 6, 4, 6, 12, 4, 6, 10, 4, ...

[ "nonn" ]

A015636

[ 1, 2, 4, 6, 12, 14, 28, 36, 52, 58, 110, 118, 209, 231, 264, 308, 507, 533, 828, 886, 998, 1078, 1591, 1655, 2074, 2225, 2583, 2741, 3785, 3849, 5164, 5578, 6091, 6449, 7179, 7375, 9561, 10080, 10911, 11290, 14298, 14520, 18084, 1...

[ "nonn" ]

A261611

[ 1, 2, 2, 2, 2, 4, 6, 6, 6, 8, 12, 14, 14, 16, 22, 28, 30, 32, 40, 50, 56, 60, 70, 86, 98, 106, 120, 144, 166, 180, 200, 234, 270, 296, 324, 372, 428, 472, 514, 580, 664, 736, 800, 890, 1010, 1124, 1222, 1346, 1514, 168...

[ "nonn" ]

A168912

[ 1, 43, 1806, 75852, 3185784, 133802928, 5619722976, 236028364992, 9913191329664, 416354035845888, 17486869505527296, 734448519232146400, 30846837807750152000, 1.2955671879255062e+21, 5.441382189287126e+22 ]

[ "nonn" ]

A014198

[ 0, 4, 8, 8, 12, 20, 20, 20, 24, 28, 36, 36, 36, 44, 44, 44, 48, 56, 60, 60, 68, 68, 68, 68, 68, 80, 88, 88, 88, 96, 96, 96, 100, 100, 108, 108, 112, 120, 120, 120, 128, 136, 136, 136, 136, 144, 144, 144, 144, 148, 16...

[ "nonn", "easy" ]

A043870

[ 17, 18, 19, 24, 25, 27, 28, 29, 30, 33, 34, 35, 36, 38, 39, 44, 45, 46, 49, 50, 51, 52, 54, 55, 56, 57, 59, 65, 66, 67, 69, 74, 79, 81, 82, 83, 88, 89, 91, 92, 93, 94, 96, 101, 104, 105, 107, 111, 112, 117, 122, 12...

[ "nonn", "base" ]

A176859

[ 1, 5, 8, 38, 152, 743, 3608, 18515, 96542, 515525, 2792780, 15341492, 85186412, 477531833, 2698428176, 15355638218, 87919098128, 506118923897, 2927616746156, 17007899032118, 99191713057280, 580535666936861 ]

[ "easy", "nonn" ]

A317266

[ 1, 2, 2, 3, 5, 3, 5, 7, 7, 5, 8, 17, 10, 17, 8, 13, 35, 21, 21, 35, 13, 21, 61, 46, 74, 46, 61, 21, 34, 127, 91, 158, 158, 91, 127, 34, 55, 265, 186, 440, 718, 440, 186, 265, 55, 89, 507, 409, 1220, 1964, 1964, 122...

[ "nonn", "tabl" ]

A089973

[ 1, 6, 24, 48, 25440, 554400 ]

[ "nonn" ]

A340299

[ 2, 6, 40, 45, 90, 420, 468, 608, 741, 873, 1216, 1547, 2425, 2451, 2829, 4199, 4208, 6384, 6916, 7552, 7667, 8250, 8325, 8815, 8820, 11008, 11765, 12348, 12408, 12711, 13377, 13920, 14157, 15065, 15246, 15738, 16836, 17640, 17690, 18020, ...

[ "nonn" ]

A186246

[ -1, 2, -24, 720, -40320, 3628800, -479001600, 87178291200, -20922789888000, 6402373705728000, -2432902008176640000, 1.1240007277776077e+21, -6.204484017332394e+23, 4.0329146112660565e+26, -3.0488834461171387e+29, 2.6525285981219107e+32 ]

[ "sign" ]

A321901

[ 1, 1, 3, 1, 3, 5, 7, 1, 3, 13, 7, 9, 11, 5, 15, 1, 19, 29, 7, 25, 27, 21, 15, 17, 3, 13, 23, 9, 11, 5, 31, 1, 19, 29, 7, 57, 27, 21, 15, 49, 35, 13, 23, 41, 43, 5, 31, 33, 51, 61, 39, 25, 59, 53, 47, 17, ...

[ "nonn", "tabf" ]

A344936

[ 11, 19, 19, 71, 98689, 130049597, 78736136153 ]

[ "nonn", "base", "hard", "more" ]

A182334

[ 0, 1, 3, 10, 15, 120, 325, 528, 4095, 11026, 17955, 139128, 374545, 609960, 4726275, 12723490, 20720703, 160554240, 432224101, 703893960, 5454117903, 14682895930, 23911673955, 185279454480, 498786237505, 812293020528, 6294047334435, 16944049179226 ]

[ "nonn", "easy" ]

A063391

[ 2, 16, 512, 65536, 33554432, 68719476736, 562949953421312, 13098680304497852000, 6.688208641462642e+23, 1.07256832111727e+29, 6.1528102027124e+34 ]

[ "nonn" ]

A008443

[ 1, 3, 3, 4, 6, 3, 6, 9, 3, 7, 9, 6, 9, 9, 6, 6, 15, 9, 7, 12, 3, 15, 15, 6, 12, 12, 9, 12, 15, 6, 13, 21, 12, 6, 15, 9, 12, 24, 9, 18, 12, 9, 18, 15, 12, 13, 24, 9, 15, 24, 6, 18, 27, 6, 12, 15, 18, 24,...

[ "nonn", "easy", "look", "nice" ]

A241661

[ 2, 3, 23, 60217, 108412217573460830, 1.4300309730966958e+26 ]

[ "nonn" ]

A232202

[ 193531, 263553379, 304936615565, 362285582855051, 432206209011195260, 515298827433540900000, 6.142689695654709e+23, 7.32263215190698e+26, 8.729273128482482e+29 ]

[ "nonn" ]

A332868

[ 1, 2, 6, 12, 44, 88, 264, 528, 2064, 4128, 12384, 24768, 90816, 181632, 544896, 1089792, 4292864, 8585728, 25757184, 51514368, 188886016, 377772032, 1133316096, 2266632192, 8860471296, 17720942592, 53162827776, 106325655552, 389860737024, 779721474048, 233...

[ "nonn" ]

A066409

[ 1, 2, 1, 4, 13, 22, 33, 103, 195, 381, 934, 1858, 3747, 9166, 31279 ]

[ "more", "nonn" ]

A072159

[ 1, 8, 216, 864, 108000, 12000, 4116000, 16464000, 1333584000, 1333584000, 1775000304000, 1775000304000, 3899675667888000, 3899675667888000, 3899675667888000, 15598702671552000, 76636426225334980000, 2838386156493888000, 1.946849064739158e+22, 1.946849064739158e+22 ]

[ "nonn", "frac" ]

A356357

[ 4, 21, 25, 205, 26707, 27679, 3066877, 3067067, 3067097, 3067117, 3067147, 3067177, 3067557, 3067567, 3067577, 3067607, 3067717, 348933193, 348933421, 348933439, 44690978633, 44690978899, 6553736049327, 6553736049407, 6553736049599, 6553736049631, 6553736049823, ...

[ "nonn", "hard" ]

A317008

[ 16, 192, 1704, 16048, 147281, 1372782, 12838095, 120108770, 1124195594, 10524878708, 98550592637, 922850729408, 8642158545087, 80932571989018, 757932288592261, 7098080021451769, 66474230286254440, 622539435306862200 ]

[ "nonn" ]

A277276

[ 0, 0, 0, 0, 2, 8, 14, 26, 63, 215, 527 ]

[ "nonn", "more" ]

A388059

[ 2, 2, 3, 4, 5, 6, 7, 8, 9, 20, 22, 24, 26, 28, 30, 32, 34, 36, 38, 20, 42, 22, 23, 24, 25, 26, 27, 28, 29, 30, 62, 32, 33, 34, 35, 36, 37, 38, 39, 40, 82, 42, 43, 44, 45, 46, 47, 48, 49, 50, 204, 52, 53, 54, ...

[ "nonn", "base" ]

A153875

[ 0, 3, 39, 108, 210, 345, 513, 714, 948, 1215, 1515, 1848, 2214, 2613, 3045, 3510, 4008, 4539, 5103, 5700, 6330, 6993, 7689, 8418, 9180, 9975, 10803, 11664, 12558, 13485, 14445, 15438, 16464, 17523, 18615, 19740, 20898, 22089 ]

[ "nonn", "easy" ]

A136775

[ 1, 3, 11, 40, 145, 525, 1900, 6875, 24875, 90000, 325625, 1178125, 4262500, 15421875, 55796875, 201875000, 730390625, 2642578125, 9560937500, 34591796875, 125154296875, 452812500000, 1638291015625, 5927392578125, 21445507812500, 77590576171875 ]

[ "nonn", "easy" ]

A077238

[ 4, 5, 11, 16, 40, 59, 149, 220, 556, 821, 2075, 3064, 7744, 11435, 28901, 42676, 107860, 159269, 402539, 594400, 1502296, 2218331, 5606645, 8278924, 20924284, 30897365, 78090491, 115310536, 291437680, 430344779, 1087660229, 1606068580, 4059203236, 59...

[ "nonn", "easy" ]

A308948

[ 0, 1, 1, 1, 3, 1, 6, 5, 1, 3, 10, 1, 8, 13, 4, 9, 16, 1, 18, 9, 13, 21, 1, 13, 18, 5, 1, 13, 12, 19, 30, 17, 10, 33, 6, 1, 31, 37, 25, 29, 32, 13, 1, 21, 19, 1, 46, 25, 48, 43, 16, 25, 1, 1, 21, 41, 37, ...

[ "nonn" ]

A388308

[ 2, 1, 2, 1, 9, 9, 5, 7, 5, 0, 5, 1, 0, 5, 9, 8, 6, 5, 7, 2, 1, 3, 7, 2, 6, 7, 1, 0, 3, 6, 6, 8, 2, 1, 8, 2, 3, 9, 9, 0, 2, 3, 5, 1, 1, 9, 2, 1, 6, 0, 1, 7, 0, 7, 1, 4, 4, 3, 4, 5, 8, 6, 8, 5...

[ "nonn", "cons" ]

A361400

[ 1, 4, 9, 4, 20, 12, 21, 8, 36, 60, 22, 12, 65, 56, 30, 48, 85, 18, 38, 120, 105, 66, 46, 96, 125, 78, 162, 112, 29, 90, 186, 160, 33, 68, 210, 180, 37, 114, 234, 160, 41, 126, 258, 220, 45, 92, 282, 240, 49, 100, 153...

[ "nonn" ]

A136300

[ 1, 0, 1, 5, 76, 1624, 52116, 2298708, 133929216, 9961180416, 921248743680, 103715841415680, 13967643016085760, 2217449301162071000, 409861043056032500000, 8.726262687238465e+22, 2.1202798521768885e+25, 5.83166009058606e+27, 1.8025875645360116e+30 ]

[ "nonn" ]

A328525

[ 3, 5, 9, 21, 55, 131, 145, 155, 231, 259, 265, 449, 495, 561, 595, 1045, 1051, 1365, 1409, 1491, 1549, 1849, 1989, 2001, 2101, 2469, 2785, 3365, 3621, 3641, 3669, 3845, 3911, 4285, 4951, 5181, 5465, 6049, 6699, 7189, 7229, 8219, 862...

[ "nonn" ]

A032964

[ 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 16, 18, 20, 22, 24, 26, 28, 30, 32, 34, 36, 38, 40, 42, 44, 46, 48, 50, 52, 54, 56, 58, 60, 62, 64, 66, 68, 70, 72, 74, 76, 78, 80, 82, 84, 86, 88, 90, 92, 94, 9...

[ "nonn", "base" ]

A245188

[ 1, 3, 2, 1, 2, 0, 1, 3, 2, 0, 1, 2, 1, 3, 2, 1, 2, 0, 1, 2, 1, 3, 2, 0, 1, 3, 2, 1, 2, 0, 1, 3, 2, 0, 1, 2, 1, 3, 2, 0, 1, 3, 2, 1, 2, 0, 1, 2, 1, 3, 2, 1, 2, 0, 1, 3, 2, 0, 1, 2, 1, 3, 2, 1...

[ "nonn" ]

A099129

[ 0, 1, 6, 231, 1186570, 347357071281165, 2.0768953513397695e+33, 1.438928688028563e+74 ]

[ "nonn", "easy" ]

A115134

[ 10, 30, 95, 311, 1043, 3564, 12363, 43420, 154088, 551684, 1990326, 7228417, 26405725, 96961560, 357688755, 1324982160, 4926502020, 18379785300, 68783559810, 258141170430, 971310800694, 3663524817768, 13848466284350 ]

[ "nonn", "easy" ]

A271488

[ 1, 2, 3, 4, 5, 8, 11, 15, 21, 30, 41, 56, 79, 112, 153, 209, 297, 418, 571, 782, 1109, 1560, 2131, 2940, 4141, 5822, 7953, 10981, 15455, 21728, 29681, 41003, 57681, 81090, 110771, 153105, 215269, 302632, 413403, 571428, 803397 ]

[ "nonn", "more" ]

A195871

[ 2, 2, 2, 17, 59, 29, 239, 227, 107, 149, 347, 191, 569, 461, 269, 659, 311, 1277, 2711, 821, 1427, 2711, 3581, 1019, 1451, 1319, 9281, 4931, 6269, 5849, 11549, 35729, 8537, 5441, 5741, 10007, 29759 ]

[ "nonn" ]

A297084

[ 81, 2620, 105494, 6743851, 444282892, 31284950414, 2245841563645, 161959380452328, 11725115199949680, 849721643676688300, 61607378083911680000, 4.467778025062737e+21, 3.2402903975398267e+23 ]

[ "nonn" ]

A194895

[ 0, -1, 9, 131, 1396, 13786, 131537, 1239745, 11665803, 109941002, 1038723932, 9841935529, 93518105160, 891022511814, 8510960557278, 81485246876212, 781818951793344 ]

[ "sign" ]

A098539

[ 1, 1, 1, 2, 2, 1, 6, 6, 4, 1, 26, 26, 20, 8, 1, 166, 166, 140, 72, 16, 1, 1626, 1626, 1460, 888, 272, 32, 1, 25510, 25510, 23884, 16392, 6256, 1056, 64, 1, 664666, 664666, 639156, 479736, 215696, 46816, 4160, 128, 1, 29559718,...

[ "nonn", "tabl" ]

A021479

[ 0, 0, 2, 1, 0, 5, 2, 6, 3, 1, 5, 7, 8, 9, 4, 7, 3, 6, 8, 4, 2, 1, 0, 5, 2, 6, 3, 1, 5, 7, 8, 9, 4, 7, 3, 6, 8, 4, 2, 1, 0, 5, 2, 6, 3, 1, 5, 7, 8, 9, 4, 7, 3, 6, 8, 4, 2, 1, 0, 5, 2, 6, 3, 1...

[ "nonn", "cons" ]

A073384

[ 1, 16, 152, 1104, 6756, 36624, 181224, 834768, 3628746, 15035504, 59829704, 229977904, 857894388, 3117321456, 11067753144, 38492230704, 131417200419, 441252045408, 1459330704656, 4760342849504 ]

[ "nonn", "easy" ]

A242540

[ 444, 11, 3, 0, 13, 21 ]

[ "nonn", "fini", "more" ]

A109366

[ 1, 2, 9, 55, 448, 5533, 77753, 1415862, 28378685, 685274581, 20695944714, 662817798145, 25290008485783, 1064065877641048, 46842303103453736, 2251599342111454700, 121817407196390150000, 7.320071385771595e+21 ]

[ "nonn" ]

A302565

[ 1, 1, 7, 85, 1429, 30517, 792007, 24293389, 862902745, 34918162057, 1587910815271, 80217252865861, 4457823231346717, 270261899977497300, 17749585402744291000, 1.255201826997863e+21, 9.508375834033707e+22, 7.680863233559647e+24, 6.590409003040991e+26, 5.985529901503004e+28 ]

[ "nonn" ]

A146437

[ 1, 1, 1, 17, 57, 337, 4357, 135183, 3521533, 135176521, 9933992919, 1311405922839 ]

[ "nonn" ]

A235364

[ 29, 31, 857, 859, 1721, 1723 ]

[ "nonn", "more", "hard" ]

A388434

[ 2, 4, 7, 5, 9, 0, 4, 1, 5, 3, 2, 4, 4, 0, 8, 7, 9, 7, 9, 4, 6, 5, 5, 1, 1, 0, 0, 9, 9, 9, 7, 4, 3, 8, 1, 6, 9, 1, 5, 6, 3, 4, 1, 4, 8, 6, 2, 4, 7, 6, 2, 6, 6, 7, 4, 6, 7, 1, 5, 4, 6, 7, 8, 4...

[ "nonn", "cons" ]

A122356

[ 0, 1, 3, 2, 8, 7, 5, 4, 6, 22, 21, 18, 17, 20, 13, 12, 11, 10, 9, 15, 19, 16, 14, 64, 63, 59, 58, 62, 50, 49, 48, 46, 45, 55, 61, 57, 54, 36, 35, 32, 31, 34, 33, 30, 29, 27, 26, 28, 24, 23, 25, 41, 40, 52, 60...

[ "nonn" ]

A252536

[ 535, 426, 610, 790, 1592, 2440, 3160, 6368, 9760, 12640, 25472, 39040, 50560, 101888, 156160, 202240, 407552, 624640, 808960, 1630208, 2498560, 3235840, 6520832, 9994240, 12943360, 26083328, 39976960, 51773440, 104333312, 159907840 ]

[ "nonn" ]

A173347

[ 21, 233, 196418, 9227465, 165580141, 2971215073, 53316291173, 2504730781961, 3416454622906707, 51680708854858330000, 1.8455182579303308e+23, 8.9892370700848e+29, 3.2100568094561075e+33 ]

[ "base", "nonn" ]

A248656

[ 1, -4, 1172, -2394604, 17925470132, -356711164156204, 15557257046545590000, -1.306859934761007e+24, 1.927578268132831e+29, -4.656451072145261e+34, 1.7449940281041873e+40, -9.712709908164238e+45 ]

[ "sign" ]

A344430

[ 1, -3, -30, -30, -3155, 43501, -780042, -780042, -780042, 9999219958, -275312450653, -275312450653, -303150419042906, 10808856406515110, 448702746787374460, 448702746787374460, -826791559139549400000, -826791559139549400000 ]

[ "sign" ]