id
stringlengths
7
11
seq
listlengths
1
347
keywords
listlengths
1
8
A301430
[ 3, 0, 2, 3, 1, 6, 1, 4, 2, 3, 5, 7, 0, 6, 5, 6, 3, 7, 9, 4, 7, 7, 6, 9, 9, 0, 0, 4, 8, 0, 1, 9, 9, 7, 1, 5, 6, 0, 2, 4, 1, 2, 7, 9, 5, 1, 8, 9, 3, 6, 9, 6, 4, 5, 4, 5, 8, 8, 6, 7, 8, 4, 1, 2...
[ "nonn", "cons" ]
A151295
[ 1, 2, 7, 24, 93, 364, 1490, 6178, 26163, 112001, 485272, 2120168, 9336512, 41376649, 184414880, 825963661, 3715457866, 16777860859, 76025036272, 345560464513, 1575102460028, 7197823974471, 32968875212361, 151333039522219, 696010343742969, 3206893602486167, 1480069...
[ "nonn", "walk" ]
A322474
[ 11, 19, 41, 61, 89, 101, 109, 149, 151, 181, 191, 199, 211, 227, 241, 251, 257, 277, 281, 349, 389, 401, 409, 419, 421, 449, 461, 491, 499, 521, 541, 557, 577, 587, 601, 619, 641, 661, 691, 727, 757, 787, 809, 811, 821, 827, ...
[ "nonn", "base", "easy" ]
A278010
[ 0, 168, 6372, 315060, 14786448, 699721024, 33064544648, 1562794615162, 73862525475272, 3490995086193588, 164996163767656930, 7798274804678593000, 368572739436996500000, 1.7419989465466371e+22, 8.233273930761973e+23 ]
[ "nonn" ]
A150686
[ 1, 2, 8, 26, 116, 454, 2050, 8794, 39660, 178810, 814012, 3754848, 17342124, 80797170, 378229240, 1774813836, 8382841888, 39623699326, 188152522980, 895426882954, 4269559367648, 20422364667082, 97782086198020, 469341302498804, 2256133502657678, 10859462256974084, ...
[ "nonn", "walk" ]
A267488
[ 4, 7, 18, 80, 242, 728, 2186, 6560, 19682, 59048, 177146, 531440, 1594322 ]
[ "nonn", "more" ]
A305269
[ 25, 145, 385, 865, 1825, 3745, 7585, 15265, 30625, 61345, 122785, 245665, 491425, 982945, 1965985, 3932065, 7864225, 15728545, 31457185, 62914465, 125829025, 251658145, 503316385, 1006632865, 2013265825, 4026531745, 8053063585, 16106127265, 32212254625, 6442...
[ "nonn", "easy" ]
A362554
[ 1, 2, 1, 3, 1, 4, 1, 6, 1, 5, 1, 14, 2, 9, 4, 28, 1, 33, 14, 61 ]
[ "nonn", "more" ]
A325110
[ 1, 1, 1, 2, 1, 2, 2, 5, 2, 3, 2, 6, 3, 6, 7, 15, 8, 10, 6, 13, 6, 10, 12, 23, 13, 16, 16, 26, 21, 30, 37, 60, 43, 52, 42, 60, 42, 50, 54, 81, 59, 60, 66, 80, 74, 86, 108, 145, 119, 125, 126, 144, 134, 140, 17...
[ "nonn" ]
A211583
[ 24, 80, 222, 560, 1392, 3346, 8024, 19004, 44796, 105568, 246694, 581026, 1352628, 3191480, 7423406, 17570428, 40904298, 97193124, 226680746, 540902924, 1264446486, 3030265486, 7101406744, 17090819062, 40152342862, 97024689184 ]
[ "nonn" ]
A097165
[ 1, 7, 41, 227, 1221, 6447, 33601, 173467, 889181, 4533287, 23015961, 116477907, 587981941, 2962279327, 14900875121, 74862289547, 375743103501, 1884442140567, 9445117195081, 47317211944387, 236952563597861 ]
[ "easy", "nonn" ]
A121724
[ 1, 1, 5, 9, 45, 97, 485, 1145, 5725, 14289, 71445, 185193, 925965, 2467137, 12335685, 33563481, 167817405, 464221105, 2321105525, 6507351113, 32536755565, 92236247841, 461181239205, 1319640776249, 6598203881245, 19031570387857, 95157851939285 ]
[ "easy", "nonn" ]
A382393
[ 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 16, 17, 18, 19, 22, 23, 25, 26, 28, 29, 30, 31, 32, 33, 36, 38, 39, 40, 42, 43, 44, 45, 47, 49, 51, 52, 53, 56, 58, 59, 60, 61, 64, 65, 66, 67, 70, 72, 74, 75, 77, ...
[ "nonn" ]
A043643
[ 1010101, 1010102, 1010103, 1010104, 1010105, 1010106, 1010107, 1010108, 1010109, 1010120, 1010121, 1010123, 1010124, 1010125, 1010126, 1010127, 1010128, 1010129, 1010130, 1010131, 1010132, 1010134, 1010135, 1010136 ]
[ "nonn", "base" ]
A312205
[ 1, 4, 8, 13, 19, 25, 30, 34, 38, 42, 46, 51, 57, 63, 68, 72, 76, 80, 84, 89, 95, 101, 106, 110, 114, 118, 122, 127, 133, 139, 144, 148, 152, 156, 160, 165, 171, 177, 182, 186, 190, 194, 198, 203, 209, 215, 220, 224, 228,...
[ "nonn" ]
A081785
[ 0, 1, 5, 55, 14187, 314681540, 254841004490568900, 1.1651529878476986e+35, 1.675274529826467e+70 ]
[ "nonn" ]
A333133
[ 1, 627615, 4444444, 4927941, 5072059, 5555556, 9372385, 9999999 ]
[ "nonn", "fini", "full", "base" ]
A120047
[ 0, 0, 2, 37, 485, 5933, 68963, 774078, 8493366, 91683887, 977694273, 10327249593, 108264085934, 1128049914377, 11694704489580, 120734708167792, 1242063105505230, 12739510126065300, 130330025583399800 ]
[ "nonn", "more" ]
A367712
[ 3, 7, 4, 9, 2, 5, 9, 5, 6, 2, 4, 3, 3, 1, 0, 0, 5, 4, 3, 3, 7, 9, 0, 6, 5, 1, 3, 8, 8, 4, 3, 5, 0, 5, 1, 3, 6, 0, 3, 9, 7, 4, 8, 9, 3, 4, 8, 0, 9, 0, 1, 8, 6, 9, 0, 6, 2, 4, 3, 7, 7, 8, 6, 7...
[ "nonn", "cons" ]
A252187
[ 2055, 2610, 3705, 5460, 8945, 13737, 20974, 34209, 53194, 82196, 134418, 210132, 325600, 533076, 835480, 1296248, 2123352, 3332064, 5172904, 8475744, 13308784, 20667656, 33867888, 53196432, 82622920, 135401616, 212708560, 330396488 ]
[ "nonn" ]
A273856
[ 1, 5, 17, 65, 325, 1677, 7541, 31301, 127953, 516089, 2078053, 8336441, 33402517, 133742289, 535237997, 2141529673 ]
[ "nonn", "more" ]
A260081
[ 1, 0, 1, 2, 9, 44, 265, 1854, 4752, 12072, 30500, 76038, 190656, 481318, 1224852, 3117528, 7944464, 20283046, 51912320, 133129054, 341972624, 879678624, 2266157892, 5846150862, 15101728320, 39058470566, 101135401556, 262158219552, 680253580304, 1766843951390...
[ "nonn", "easy" ]
A282544
[ 1, 2, 6, 14, 6, 12, 42, 16, 6, 50, 36, 24, 42, 28, 48, 84, 6, 36, 150, 40, 36, 112, 72, 48, 42, 62, 84, 158, 48, 60, 252, 64, 6, 168, 108, 96, 150, 76, 120, 196, 36, 84, 336, 88, 72, 300, 144, 96, 42, 114, 186, 252...
[ "nonn", "easy" ]
A240270
[ 132, 3263, 64721, 2059061, 40760821, 1063706501, 27923918285, 576407548906, 15326042676144, 369518944004863, 8336460134026971, 218307022801923500, 5056252479593806000, 120075470956639780000, 3.0359304396481296e+21 ]
[ "nonn" ]
A054711
[ 1, 1, 2, 2, 1, 2, 3, 2, 6, 1, 2, 12, 3, 2, 4, 16, 6, 3, 2, 6, 22, 2, 5, 12, 18, 6, 28, 2, 30, 8, 16, 3, 6, 6, 3, 12, 2, 40, 6, 7, 6, 22, 46, 4, 21, 5, 16, 12, 26, 18, 6, 6, 28, 58, 2, 4, 30, 6, 16, ...
[ "easy", "nonn" ]
A051685
[ 0, 0, 0, -6, -30, 0, 420, 2100, 6804, -20160, -376200, -2102760, -6606600, 53237184, 965306160, 5941244400, 12774059760, -305998041600, -5264368533216, -33983490935520, -16008359119200, 3139364813249280, 52132631033313600, 341037535726730300, -715693892444414500 ]
[ "easy", "sign" ]
A265274
[ 5, 8, 8, 7, 0, 9, 5, 5, 4, 3, 6, 3, 6, 6, 5, 4, 9, 4, 2, 7, 4, 0, 9, 5, 7, 1, 9, 1, 1, 4, 0, 6, 7, 9, 4, 7, 9, 0, 6, 0, 9, 6, 8, 7, 5, 0, 5, 1, 5, 9, 0, 4, 8, 4, 8, 9, 5, 5, 9, 2, 1, 5, 5, 2...
[ "nonn", "cons" ]
A252532
[ 750, 730, 595, 621, 337, 460, 719, 341, 334, 535, 778, 462, 466, 426, 546, 932, 706, 626, 610, 676, 649, 1200, 1000, 1120, 790, 1114, 964, 823, 1498, 1468, 1760, 1592, 1676, 1748, 1344, 1036, 1968, 2420, 2404, 2440, 4420, 2504, 2332...
[ "nonn", "tabl" ]
A305362
[ 1, 16, 39, 107, 310, 943, 2935, 9077, 28054, 87562, 272571, 850365, 2654831, 8284969, 25870031, 80782480, 252246425, 787748512, 2460025106, 7682422987, 23991929280, 74925446720, 233989461442, 730741987475, 2282083022643, 7126881707392 ]
[ "nonn" ]
A200421
[ 1, 5, 1, 4, 4, 1, 3, 2, 8, 2, 8, 6, 8, 3, 6, 0, 2, 2, 3, 3, 1, 4, 0, 1, 9, 4, 3, 1, 7, 9, 0, 6, 5, 4, 5, 5, 7, 8, 4, 5, 1, 0, 6, 3, 8, 2, 9, 9, 0, 8, 7, 2, 7, 3, 5, 5, 0, 4, 8, 9, 5, 9, 9, 4...
[ "nonn", "cons" ]
A340280
[ 0, 0, 1, 1, 2, 2, 4, 4, 6, 6, 10, 8, 14, 12, 16, 16, 22, 18, 28, 24, 32, 30, 42, 32, 48, 42, 52, 48, 64, 48, 74, 64, 78, 72, 90, 72, 104, 88, 108, 96, 126, 96, 140, 118, 142, 130, 166, 128, 180, 150, 186, 164, 21...
[ "nonn" ]
A096099
[ 1, 2, 3, 5, 5, 2, 13, 25, 8, 22, 16, 26, 35, 35, 11, 26, 48, 58, 6, 46, 4, 77, 83, 29, 33, 187, 61, 78, 81, 23, 183, 15, 22, 68, 8, 137, 84, 178, 99, 7, 71, 82, 142, 241, 133, 71, 56, 19, 32, 318, 157, 199, 303, ...
[ "base", "nonn" ]
A363194
[ 1, 3, 4, 3, 5, 3, 4, 6, 9, 3, 7, 12, 5, 9, 12, 3, 4, 8, 15, 3, 9, 12, 16, 9, 6, 9, 18, 3, 15, 4, 3, 12, 15, 20, 9, 9, 12, 10, 3, 21, 5, 20, 12, 9, 7, 15, 18, 3, 24, 27, 3, 12, 18, 16, 11, 9, 12, 24, 9...
[ "nonn", "easy" ]
A263406
[ 1, 0, 0, 0, 0, 1, 0, 0, 2, 0, 1, 3, 0, 2, 4, 1, 6, 5, 2, 10, 7, 6, 19, 9, 14, 29, 14, 28, 46, 23, 53, 66, 43, 95, 99, 76, 158, 143, 141, 256, 217, 247, 403, 326, 432, 617, 509, 720, 935, 801, 1187, 1399, 1281, ...
[ "nonn" ]
A068019
[ 8, 9, 10, 12, 14, 18, 21, 26, 27, 28, 36, 38, 42, 49, 54, 62, 77, 86, 91, 93, 95, 98, 99, 111, 117, 122, 124, 133, 135, 146, 148, 152, 154, 171, 182, 186, 189, 190, 198, 206, 209, 216, 217, 218, 221, 222, 228, 234, 252, ...
[ "nonn" ]
A300834
[ 1, 2, 2, 6, 2, 30, 2, 60, 10, 42, 2, 4200, 2, 126, 70, 660, 2, 9240, 2, 13860, 210, 330, 2, 5082000, 14, 78, 220, 32760, 2, 3783780, 2, 42900, 550, 780, 294, 924924000, 2, 1092, 130, 41621580, 2, 3898440, 2, 112200, 60060, 306...
[ "nonn" ]
A289858
[ 9371, 34458401, 191898783962509600, 3.1983098677287775e+23, 1.5795207942839547e+35, 2.987435000850315e+72, 2.838063250807799e+74 ]
[ "nonn" ]
A388716
[ 1, 0, 1, 1, 2, 1, 3, 2, 4, 5, 6, 6, 12, 9, 13, 16, 20, 18, 30, 26, 39, 40, 52, 50, 77, 70, 94, 100, 127, 124, 171, 165, 214, 220, 274, 276, 358, 357, 440, 462, 563, 574, 712, 727, 885, 925, 1096, 1143, 1379, 1428, 16...
[ "nonn" ]
A168521
[ 0, 1, 2, 4, 3, 8, 6, 16, 12, 9, 32, 24, 18, 64, 5, 48, 36, 27, 128, 10, 96, 72, 54, 256, 20, 192, 15, 144, 108, 81, 512, 40, 384, 30, 288, 216, 162, 1024, 80, 768, 60, 576, 45, 432, 324, 2048, 160, 243, 1536, 120, 11...
[ "nonn", "easy" ]
A090835
[ 54, 709, 821, 1510, 1594, 1726, 1842, 2009, 2600, 2876, 5689, 6252, 7438, 7728, 8090, 8229, 8654, 9105, 9184, 9997, 10934, 11343, 11390, 14193, 14866, 15000, 16320, 16748, 16950, 17246, 18466, 19164, 19802, 20152, 21508, 21692, 22048, 22270, ...
[ "easy", "nonn" ]
A326206
[ 0, 0, 1, 4, 34, 633, 23368, 1699012, 237934760, 64558137140, 34126032806936, 35513501049012950 ]
[ "nonn", "more" ]
A037871
[ 0, 0, 1, 0, 0, 2, 1, 0, 1, 1, 1, 1, 0, 0, 2, 1, 0, 2, 2, 2, 2, 1, 1, 2, 1, 0, 1, 1, 1, 1, 1, 1, 2, 2, 1, 2, 1, 1, 1, 0, 0, 2, 1, 0, 3, 2, 2, 2, 1, 1, 2, 1, 0, 2, 2, 2, 2, 2, 2, 2, 2, 2, 3, 2...
[ "nonn", "base" ]
A362162
[ 1, -1, 7, 35, 1009, 30179, 1215631, 60016823, 3515979265, 238183128071, 18310183815511, 1574357806379819, 149678991229092350, 15588994684997695000, 1.7649071865975577e+21, 2.1579786068419306e+23, 2.8338759496501424e+25, 3.977749154644186e+27 ]
[ "sign", "easy" ]
A340643
[ 2, 3, 5, 15, 26, 46, 82, 89, 90, 129, 323, 362, 401, 420, 610, 624, 840, 2024, 2703, 2808, 6888, 12099, 15963, 19320, 24650, 29930, 33490, 36482, 39203, 45795, 47523, 52440, 66050, 69168, 83408, 94248, 94863, 103683, 114284, 164399, 185...
[ "nonn" ]
A210410
[ 106128, 82334080, 62266883792, 47230418649056, 35812807522735456, 27156404472228370000, 2.059226692511944e+22, 1.561479500721447e+25, 1.1840454887140876e+28, 8.978431861925856e+30 ]
[ "nonn" ]
A071336
[ 12, 32, 42, 72, 92, 122, 132, 162, 192, 212, 252, 272, 282, 312, 362, 372, 392, 432, 482, 492, 522, 572, 612, 632, 642, 672, 732, 752, 762, 792, 812, 842, 912, 932, 972, 1002, 1032, 1082, 1092, 1112, 1122, 1172, 1212, 1242, 1272...
[ "nonn" ]
A030776
[ 5, 10, 19, 20, 36, 48, 50, 61, 76, 77, 116, 136, 156, 158, 181, 184, 210, 242, 249, 252, 281, 285, 293, 296, 318, 326, 359, 405, 413, 415, 454, 459, 463, 476, 505, 507, 512, 515, 560, 566, 622, 680, 687, 743, 752, 813, 817, ...
[ "nonn" ]
A348939
[ 45, 117, 325, 333, 405, 549, 605, 657, 925, 1053, 1413, 1445, 1525, 1737, 1825, 2205, 2493, 2817, 2825, 2925, 2997, 3033, 3573, 3645, 3789, 3825, 3925, 4113, 4825, 4869, 4941, 5445, 5517, 5733, 5913, 5949, 6057, 6425, 6525, 6597, 6813, ...
[ "nonn" ]
A325142
[ -1, -1, 0, 0, 1, 0, 1, 0, 3, 2, 3, 0, 1, 0, 3, 2, 3, 0, 1, 0, 3, 2, 9, 0, 5, 6, 3, 4, 9, 0, 1, 0, 9, 4, 3, 6, 5, 0, 9, 2, 3, 0, 1, 0, 3, 2, 15, 0, 5, 12, 3, 8, 9, 0, 7, 12, 3, 4, 15, 0, 1, 0, ...
[ "sign" ]
A229946
[ 0, 1, 0, 2, 0, 3, 0, 2, 1, 5, 0, 3, 2, 7, 0, 2, 1, 5, 3, 6, 5, 11, 0, 3, 2, 7, 5, 9, 8, 15, 0, 2, 1, 5, 3, 6, 5, 11, 7, 12, 11, 15, 14, 22, 0, 3, 2, 7, 5, 9, 8, 15, 11, 14, 13, 19, 17, 22, 21, 30, ...
[ "nonn", "tabf" ]
A250982
[ 71, 562, 562, 4459, 12077, 4459, 35381, 260056, 260056, 35381, 280728, 5598430, 15156945, 5598430, 280728, 2227408, 120515358, 883387252, 883387252, 120515358, 2227408, 17673153, 2594308975, 51487962431, 139471732486, 51487962431 ]
[ "nonn", "tabl" ]
A175948
[ 1, 2, 3, 4, 5, 6, 7, 8, 11, 10, 9, 12, 13, 14, 15, 16, 23, 22, 19, 20, 21, 18, 17, 24, 27, 26, 25, 28, 29, 30, 31, 32, 47, 46, 39, 44, 41, 38, 35, 40, 43, 42, 45, 36, 37, 34, 33, 48, 55, 54, 51, 52, 53, 50, 4...
[ "base", "nonn" ]
A237210
[ 2899672, 268073808, 19305898426, 1999471396100, 174915940209829, 18626989825961384, 1753155965502961000, 191933190731923400000, 1.8788583913809663e+22, 2.1078611719647013e+24 ]
[ "nonn" ]
A258517
[ 3456356, 46288077, 1030931222, 17303680979, 287984893776, 5245904339615, 94282780215006, 1659294419012438, 29395760753905416, 523152766780848960, 9288833933802115000, 164784211536203550000, 2.925325373424901e+21 ]
[ "nonn" ]
A386671
[ 40885, 69745, 98605, 127465, 146705, 175565, 214045, 233285, 242905, 262145, 271765, 329485, 358345, 377585, 416065, 435305, 464165, 473785, 550745, 560365, 579605, 618085, 646945, 666185, 675805, 695045, 704665, 752765, 762385, 787205, 810485, 839345, ...
[ "nonn" ]
A365993
[ 34, 1034, 11094, 129086, 1590817, 21075277, 253919083, 15701617319, 199307878383, 2229089415827, 33269991281067 ]
[ "base", "nonn", "fini", "full" ]
A279147
[ 1, 2, 2, 12, 7, 60, 7, 252, 7, 1012, 19, 4038, 126, 16322, 100, 65507, 50, 262128, 19, 1048546, 56, 4194287, 40, 16777031, 284, 67108471, 980, 268428867, 10042, 1073710568, 57635, 4294948430, 47002, 17179817208, 127887, 68719416056, 106639, 2...
[ "nonn", "easy" ]
A248518
[ 1, 0, 1, 1, 2, 2, 4, 4, 7, 8, 11, 13, 19, 21, 29, 34, 44, 51, 66, 75, 96, 110, 136, 157, 193, 220, 267, 307, 367, 421, 501, 571, 677, 772, 905, 1033, 1207, 1371, 1595, 1812, 2096, 2377, 2741, 3101, 3564, 4028, 4608, 5203, ...
[ "nonn", "base" ]
A137482
[ 1, 1, 0, 2, 14, 54, 304, 2260, 18108, 161756, 1618496, 17815896, 213767080, 2778833992, 38904145344, 583563781424, 9337011390224, 158729175524880, 2857125341582848, 54285381652008740, 1085707629235540000, 22799860214350350000, 501596924799005560000 ]
[ "nonn" ]
A344731
[ 1, 275, 277, 3337, 3353, 3359, 39675, 39689, 472467, 797806459, 9501109507 ]
[ "nonn", "more" ]
A333304
[ 2, 3, 6, 6, 1, 0, 5, 0, 5, 6, 0, 6, 5, 0, 1, 7, 5, 3, 9, 8, 9, 4, 0, 9, 2, 3, 9, 5, 4, 6, 8, 6, 9, 0, 6, 8, 4, 3, 1, 5, 6, 4, 8, 5, 7, 9, 0, 7, 9, 6, 1, 5, 4, 5, 8, 5, 0, 7, 1, 3, 7, 3, 5, 4...
[ "nonn", "cons" ]
A003593
[ 1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 125, 135, 225, 243, 375, 405, 625, 675, 729, 1125, 1215, 1875, 2025, 2187, 3125, 3375, 3645, 5625, 6075, 6561, 9375, 10125, 10935, 15625, 16875, 18225, 19683, 28125, 30375, 32805, 46875, 50625, 54...
[ "nonn" ]
A229315
[ 14, 154, 1494, 13968, 129766, 1203222, 11146054, 103236194, 956057048, 8853833056, 81991894696, 759294338246, 7031507356914, 65115840648102, 603010344430850, 5584224380804470, 51713144710842856, 478893600594242600 ]
[ "nonn" ]
A239578
[ 1, 6, 2, 3, 24, 5, 4, 7, 10, 1080, 35640, 11, 9, 13, 8, 33, 297600, 17, 588, 19, 20, 1782, 1907020800, 23, 216, 45, 34, 78 ]
[ "nonn", "more" ]
A004777
[ 0, 1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 13, 14, 16, 17, 18, 19, 20, 21, 22, 24, 25, 26, 27, 28, 29, 30, 32, 33, 34, 35, 36, 37, 38, 40, 41, 42, 43, 44, 45, 46, 48, 49, 50, 51, 52, 53, 54, 56, 57, 58, 59, 60, 6...
[ "nonn", "easy" ]
A207308
[ 10, 100, 350, 1271, 3773, 11497, 36868, 116117, 361408, 1134028, 3564401, 11172725, 35022953, 109875752, 344642683, 1080804698, 3389755038, 10631811817, 33344912997, 104580332523, 328001505224, 1028729270911, 3226449372360 ]
[ "nonn" ]
A062062
[ 1, 2, 3, 5, 7, 8, 9, 11, 13, 14, 15, 17, 19, 22, 23, 25, 27, 28, 29, 31, 33, 34, 35, 37, 39, 41, 43, 44, 45, 47, 49, 52, 53, 55, 57, 58, 59, 61, 63, 64, 65, 67, 69, 71, 73, 74, 75, 77, 79, 82, 83, 85, 87, 88, ...
[ "nonn", "easy" ]
A132551
[ 4, 232, 95055, 16054778562, 729824946454571600000, 9.613432018404888e+41, 1.5589038694139357e+84 ]
[ "frac", "nonn" ]
A071386
[ 2, 8, 20, 32, 40, 44, 48, 56, 60, 72, 92, 96, 104, 108, 116, 120, 128, 132, 140, 144, 156, 164, 192, 204, 212, 216, 220, 240, 252, 260, 272, 276, 296, 300, 332, 344, 356, 360, 368, 380, 384, 392, 396, 400, 416, 420, 440, 4...
[ "nonn" ]
A302114
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[ "nonn" ]
A097144
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[ "nonn" ]
A232002
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[ "nonn" ]
A205545
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[ "nonn", "tabl" ]
A224546
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[ "nonn" ]
A233446
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[ "nonn" ]
A009024
[ 0, 1, 0, -3, 12, -50, 240, -1330, 8400, -59580, 468000, -4018300, 37237200, -367507400, 3802780800, -40373385000, 423927504000, -4048235126000, 25093796832000, 288695417426000, -18721925937000000, 623644389813900000 ]
[ "sign", "easy" ]
A147675
[ 10, 5, 20, 10, 40, 20, 80, 40, 160, 80, 320, 160, 640, 320, 1280, 640, 2560, 1280, 5120, 2560, 10240, 5120, 20480, 10240, 40960, 20480, 81920, 40960, 163840, 81920, 327680, 163840, 655360, 327680, 1310720, 655360, 2621440, 1310720, 5242880 ...
[ "nonn", "easy" ]
A234792
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[ "nonn" ]
A002485
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[ "nonn", "easy", "nice", "frac" ]
A234134
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[ "nonn" ]
A378283
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[ "nonn" ]
A085539
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[ "nonn", "easy" ]
A166959
[ 12, 32, 56, 76, 100, 120, 144, 164, 188, 208, 232, 252, 276, 296, 320, 340, 364, 384, 408, 428, 452, 472, 496, 516, 540, 560, 584, 604, 628, 648, 672, 692, 716, 736, 760, 780, 804, 824, 848, 868, 892, 912, 936, 956, 980, 1000,...
[ "easy", "nonn" ]
A068882
[ 1, 3, 6, 10, 21, 36, 45, 78, 105, 210, 276, 325, 496, 561, 630, 703, 741, 903, 1830, 2145, 2701, 5050, 6105, 6903, 8385, 9870, 10585, 12561, 14365, 18145, 18721, 23436, 25878, 29890, 30381, 32385, 36585, 38503, 38781, 41616, 47278, 50...
[ "nonn", "base" ]
A223254
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[ "nonn" ]
A125404
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[ "nonn", "base" ]
A330063
[ 1, 3, 4, 6, 8, 9, 11, 12, 14, 16, 17, 19, 21, 22, 24, 25, 27, 29, 30, 32, 33, 35, 37, 38, 40, 42, 43, 45, 46, 48, 50, 51, 53, 54, 56, 58, 59, 61, 63, 64, 66, 67, 69, 71, 72, 74, 76, 77, 79, 80, 82, 84, 85, 87, ...
[ "nonn", "easy" ]
A371390
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[ "nonn", "base" ]
A373820
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[ "nonn" ]
A322867
[ 1, 1, 1, 2, 1, 2, 1, 2, 2, 2, 1, 2, 1, 2, 2, 3, 1, 4, 1, 2, 2, 2, 1, 3, 4, 2, 3, 2, 1, 4, 1, 3, 2, 2, 4, 3, 1, 2, 2, 3, 1, 4, 1, 2, 3, 2, 1, 3, 3, 4, 2, 2, 1, 3, 4, 3, 2, 2, 1, 3, 1, 2, 3, 3...
[ "nonn" ]
A170301
[ 1, 4, 12, 36, 108, 324, 972, 2916, 8748, 26244, 78732, 236196, 708588, 2125764, 6377292, 19131876, 57395628, 172186884, 516560652, 1549681956, 4649045868, 13947137604, 41841412812, 125524238436, 376572715308, 1129718145924 ]
[ "nonn" ]
A188759
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[ "nonn" ]
A380196
[ 6, 44, 293, 2179, 19086, 190512 ]
[ "nonn", "more" ]
A058870
[ 0, 1, 4, 18, 77, 346, 1578, 7396, 35297, 171352, 843067, 4196502, 21092793, 106912874, 545851964, 2804641873, 14491337393, 75248330560, 392476202012, 2055245665857, 10801441911431, 56953955507744, 301207374937558 ]
[ "nonn", "easy" ]
A301182
[ 1, 4, 10, 19, 34, 47, 76, 100, 140, 172, 213, 249, 299, 365, 414, 495, 551, 621, 674, 788, 853, 955, 1056, 1133, 1223, 1346, 1478, 1572, 1703, 1785, 1921, 2084, 2266, 2346, 2492, 2625, 2779, 2968, 3134, 3314, 3438, 3645, 3786, 400...
[ "nonn" ]
A384432
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[ "nonn", "easy" ]
A372170
[ 1, 1, 2, 7, 1, 41, 16, 6, 0, 1, 388, 290, 195, 70, 40, 30, 0, 10, 0, 0, 1, 5789, 6980, 6910, 4560, 3030, 2292, 1230, 780, 600, 180, 236, 60, 45, 60, 0, 0, 15, 0, 0, 0, 1, 133501, 235270, 313705, 302505, 260890, 222509, 1...
[ "nonn", "tabf" ]
A197177
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[ "nonn" ]
A209092
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[ "nonn", "tabl" ]
A080545
[ 1, 0, 1, 0, 1, 0, 1, 0, 0, 0, 1, 0, 1, 0, 0, 0, 1, 0, 1, 0, 0, 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, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 0, 1, 0, 0, 0...
[ "nonn", "easy" ]