id
stringlengths
7
11
seq
listlengths
1
347
keywords
listlengths
1
8
A310416
[ 1, 4, 10, 14, 20, 24, 32, 34, 40, 44, 52, 54, 60, 64, 72, 74, 80, 84, 92, 94, 100, 104, 112, 114, 120, 124, 132, 134, 140, 144, 152, 154, 160, 164, 172, 174, 180, 184, 192, 194, 200, 204, 212, 214, 220, 224, 232, 234, 240, 244 ]
[ "nonn" ]
A253448
[ 81, 1975, 7782, 15730, 44242, 147332, 526430, 1956194, 7444718, 28766354, 112273790, 441202754, 1742089358 ]
[ "nonn" ]
A351060
[ 1, 111, 120, 121, 123, 131, 132, 133, 134, 141, 142, 144, 145, 151, 152, 155, 156, 161, 162, 166, 167, 171, 172, 177, 178, 181, 182, 188, 189, 191, 192, 199, 219, 221, 231, 232, 234, 242, 243, 244, 245, 252, 253, 255, 256, 262, 263, 266, 267, 272, 273, 277 ]
[ "nonn", "base", "look" ]
A071397
[ 0, 21, 83, 186, 330, 516, 743, 1012, 1321, 1672, 2065, 2498, 2973, 3489, 4047, 4645, 5285, 5967, 6689, 7453, 8258, 9105, 9993, 10922, 11892, 12904, 13957, 15051, 16186, 17363, 18581, 19841, 21141, 22483, 23866, 25291, 26757, 28264, 29812 ]
[ "easy", "nonn" ]
A165654
[ 1, 37, 1332, 47952, 1726272, 62145792, 2237248512, 80540946432, 2899474071552, 104381066575206, 3757718396683440, 135277862279741380, 4870003042039640000, 175320109512309300000, 6.311523942402895e+21 ]
[ "nonn" ]
A163531
[ 0, 1, 4, 5, 2, 1, 4, 5, 8, 13, 20, 29, 26, 17, 10, 9, 16, 25, 36, 49, 64, 65, 50, 37, 40, 53, 68, 73, 58, 45, 52, 65, 80, 89, 74, 61, 50, 41, 34, 25, 32, 41, 34, 25, 18, 13, 10, 9, 16, 17, 20, 29, 26, 25, 36, 37, 40, 53, 50, 49, 64, 65, 68, 73, 80, 89, 74, 65, 58, 45, 52, 61 ]
[ "nonn" ]
A164976
[ 1, 1, 2, 0, 5, 4, -1, 4, 16, 8, -1, -3, 25, 44, 16, 0, -10, 7, 102, 112, 32, 1, -8, -41, 97, 344, 272, 64, 1, 4, -74, -80, 528, 1040, 640, 128, 0, 15, -33, -366, 121, 2168, 2928, 1472, 256, -1, 12, 75, -426, -1219, 1898, 7664, 7840, 3328, 512 ]
[ "tabl", "sign" ]
A022112
[ 2, 6, 8, 14, 22, 36, 58, 94, 152, 246, 398, 644, 1042, 1686, 2728, 4414, 7142, 11556, 18698, 30254, 48952, 79206, 128158, 207364, 335522, 542886, 878408, 1421294, 2299702, 3720996, 6020698, 9741694, 15762392, 25504086, 41266478, 66770564, 108037042 ]
[ "nonn", "easy" ]
A331926
[ 1, 1, 1, 3, 2, 3, 8, 3, 10, 8, 14, 31, 10, 33, 16, 38, 40, 61, 138, 69, 48, 98, 190, 121, 308, 128, 340, 270, 472, 991, 572, 885, 534, 446, 888, 1872, 914, 1927, 1084, 2300, 2058, 4303, 6508, 3759, 2246, 4856, 8238, 6889, 12630, 6368, 8708 ]
[ "nonn" ]
A290899
[ 0, 1, 4, 12, 36, 110, 332, 983, 2876, 8380, 24428, 71357, 208868, 612178, 1795228, 5264684, 15436060, 45248195, 132616392, 388652536, 1138993032, 3338020181, 9782903524, 28671786116, 84032220964, 246284956558, 721820483900, 2115530739035, 6200240318564 ]
[ "nonn", "easy" ]
A179982
[ 3, 7, 14, 17, 118, 129, 146, 385, 411, 474, 687, 769, 1009, 1025, 1459, 1537, 2091, 2131, 2185, 2663, 3404, 4369, 4375, 5433, 5489, 6553, 7201, 8065, 8193, 8589, 11626, 11665 ]
[ "more", "nonn" ]
A327513
[ 1, 2, 1, 3, 1, 3, 1, 4, 1, 3, 1, 5, 1, 3, 2, 5, 1, 3, 1, 5, 1, 3, 1, 7, 1, 3, 1, 5, 1, 6, 1, 6, 2, 3, 2, 5, 1, 3, 1, 7, 1, 4, 1, 5, 2, 3, 1, 9, 1, 3, 2, 5, 1, 3, 2, 7, 1, 3, 1, 10, 1, 3, 1, 7, 1, 6, 1, 5, 2, 6, 1, 7, 1, 3, 2, 5, 2, 4, 1, 9, 1, 3, 1, 7, 2, 3, 1, 7, 1, 6, 1, 5, 2, 3, 2, 11, 1, 3, 2, 5, 1, 6, 1, 7, 3 ]
[ "nonn" ]
A230804
[ 0, 154, 1546, 183088, 6832578, 485186602, 25669880656, 1576356652138, 90342705475634, 5358270247598784, 312733245050099800 ]
[ "nonn" ]
A005023
[ 7, 34, 143, 560, 2108, 7752, 28101, 100947, 360526, 1282735, 4552624, 16131656, 57099056, 201962057, 714012495, 2523515514, 8916942687, 31504028992, 111295205284, 393151913464, 1388758662221, 4905479957435, 17327203698086, 61202661233823, 216176614077600 ]
[ "nonn", "easy", "walk" ]
A358805
[ 4, 5, 7, 11, 12, 14, 18, 28, 30, 62, 135, 153, 275, 584, 630, 1424, 1493, 4419, 8492, 10950 ]
[ "nonn", "more" ]
A034787
[ 1, 11, 187, 4301, 124729, 4365515, 178986115, 8412347405, 445854412465, 26305410335435, 1709851671803275, 121399468698032530, 9347759089748505000, 775864004449125900000, 6.90518963959722e+22, 6.55993015761736e+24, 6.625529459193533e+26 ]
[ "easy", "nonn" ]
A280729
[ 2, 4, 5, 9, 10, 16, 15, 21, 26, 23, 30, 36, 33, 45, 50, 57, 46, 53, 59, 60, 63, 81, 84, 80, 90, 83, 105, 90, 104, 99, 113, 132, 113, 146, 115, 126, 135, 165, 170, 177, 138, 167, 160, 182, 159, 153, 183, 225, 186, 228, 215, 184, 225, 256, 261, 266, 207, 226, 236, 233 ]
[ "nonn", "easy" ]
A084791
[ 1, 4, 7, 8, 10, 14, 19, 21, 24, 28, 29, 30, 34, 35, 36, 38, 39, 41, 42, 43, 45, 46, 50, 51, 53, 54, 58, 59, 63, 67, 68, 72, 78, 82, 88, 99, 110, 113, 115, 118, 120, 122, 125, 127, 133, 135, 138, 140, 146, 148, 154, 160, 162, 168, 175, 176, 177, 183, 190, 191, 192 ]
[ "nonn" ]
A325724
[ 1, 1, 1, 1, 1, 2, 3, 6, 10, 14, 22, 30, 40, 50, 70, 82, 107, 127, 166, 203, 253, 313, 402, 495, 633, 788, 984, 1251, 1551, 1929, 2388, 2963, 3603, 4465, 5412, 6570, 7936, 9617, 11477, 13852, 16482, 19708, 23384, 27830, 32923, 39066, 46078, 54416, 64114 ]
[ "nonn", "easy" ]
A327017
[ 1, 1, 2, 4, 9, 19, 49, 115, 310, 830, 2383 ]
[ "nonn", "more" ]
A236190
[ 6, 2, 6, 4, 2, 4, 6, 6, 2, 6, 4, 2, 6, 4, 6, 8, 4, 2, 4, 2, 4, 14, 4, 6, 2, 10, 2, 6, 6, 4, 6, 6, 2, 10, 2, 4, 2, 12, 12, 4, 2, 4, 6, 2, 10, 6, 6, 6, 2, 6, 4, 2, 10, 14, 4, 2, 4, 14, 6, 10, 2, 4, 6, 8, 6, 6, 4, 6, 8, 4, 8, 10, 2, 10, 2, 6, 4, 6, 8, 4, 2, 4 ]
[ "nonn" ]
A118407
[ 1, 0, 1, -2, 0, 1, 2, -2, 0, 1, 0, 2, -2, 0, 1, -2, 0, 2, -2, 0, 1, 4, -2, 0, 2, -2, 0, 1, -6, 4, -2, 0, 2, -2, 0, 1, 4, -6, 4, -2, 0, 2, -2, 0, 1, 6, 4, -6, 4, -2, 0, 2, -2, 0, 1, -20, 6, 4, -6, 4, -2, 0, 2, -2, 0, 1, 26, -20, 6, 4, -6, 4, -2, 0, 2, -2, 0, 1, -12, 26, -20, 6, 4, -6, 4, -2, 0, 2, -2, 0, 1 ]
[ "sign", "tabl" ]
A005328
[ 1, 3, 28, 510, 18631, 1351413, 194192398, 55272612720, 31184369778961, 34909296450535024, 77616063417393950000, 3.4304960371722246e+23, 3.0164293546201146e+27, 5.280141627526807e+31 ]
[ "nonn" ]
A371519
[ 1, 5, 45, 470, 5375, 65231, 825225, 10764185, 143739440, 1955340360, 27001732972, 377530388235, 5333865386885, 76031188364860, 1092117166466660, 15792298241897648, 229704197116753820, 3358528175751887000, 49333470827844260000, 727680248026484400000 ]
[ "nonn" ]
A174916
[ 3, 5, 11, 17, 29, 71, 101, 281, 311, 419, 461, 521, 599, 617, 641, 659, 809, 827, 857, 881, 1019, 1061, 1277, 1289, 1319, 1607, 1721, 1949, 2027, 2111, 2141, 2309, 2339, 2381, 2591, 2729, 2801, 3329, 3557, 3581, 3767, 3851, 4049, 4127, 4157, 4217, 4229 ]
[ "nonn" ]
A024099
[ 1, 7, -1984, -176635, -4190208, -48795357, -362534912, -1975229591, -8573157376, -31246841881, -98926258176, -276721736019, -674288893952, -1242404580149, 348481341440, 26534616229457, 263882790666240 ]
[ "sign", "easy" ]
A303507
[ 1, 8, 78, 1596, 72890, 8883058, 2346396384, 1203039901394, 1490405412540557 ]
[ "nonn" ]
A291171
[ 2, 4, 6, 8, 10, 11, 13, 15, 17, 20, 22, 24, 26, 28, 29, 31, 33, 35 ]
[ "nonn", "fini", "full" ]
A378608
[ 1, 1, 2, 6, 23, 103, 518, 2868, 17263, 111925, 775994, 5719338, 44592007, 366259499, 3157877470, 28492791496, 268307662047, 2630577754281, 26795670672626, 283038010150702, 3094882721541239, 34977231456293520, 407991690851302660, 4905431774834650000, 60721792897771840000 ]
[ "nonn" ]
A039035
[ 0, 3, 4, 5, 6, 9, 15, 21, 24, 25, 26, 27, 28, 31, 32, 33, 34, 35, 38, 39, 40, 41, 42, 45, 46, 47, 48, 51, 63, 66, 67, 68, 69, 72, 79, 86, 93, 99, 105, 108, 109, 110, 111, 120, 127, 134, 141, 147, 150, 151, 152, 153, 156, 162, 168, 171, 172, 173, 174, 175, 178, 179 ]
[ "nonn", "base", "easy" ]
A165123
[ 1, 1, 1, 2, 2, 1, 1, 2, 2, 3, 2, 3, 3, 3, 4, 2, 4, 4, 5, 4, 6, 5, 9, 4, 15, 4, 15, 5, 18, 5, 19, 7, 23, 5, 30, 6, 32, 8, 32, 8, 34, 11, 34, 11, 39, 12, 42, 14, 43, 15, 44, 17, 50, 19, 54, 22, 57, 22, 63, 21, 64, 23, 68, 29, 95, 26, 127, 34, 130, 34 ]
[ "base", "nonn" ]
A355487
[ 0, 1, 2, 3, 1, 0, 3, 2, 2, 3, 0, 1, 3, 2, 1, 0, 1, 0, 3, 2, 0, 1, 2, 3, 3, 2, 1, 0, 2, 3, 0, 1, 2, 3, 0, 1, 3, 2, 1, 0, 0, 1, 2, 3, 1, 0, 3, 2, 3, 2, 1, 0, 2, 3, 0, 1, 1, 0, 3, 2, 0, 1, 2, 3, 1, 0, 3, 2, 0, 1, 2, 3, 3, 2, 1, 0, 2, 3, 0, 1, 0, 1, 2, 3, 1, 0, 3 ]
[ "nonn", "base", "easy" ]
A147098
[ 1, 1, 1, 1, 3, 7, 13, 29, 143, 539, 2419, 11799, 70509, 422003, 3669313, 30560805, 384390343 ]
[ "nonn" ]
A205096
[ 22161076, 6825854177, 2919626746607, 1671381122482219, 1006455738823529900, 675088076670736100000, 4.260696704286645e+23, 2.9043404942681595e+26, 1.8411206538600804e+29 ]
[ "nonn" ]
A314071
[ 1, 5, 11, 15, 22, 27, 31, 38, 42, 49, 53, 58, 65, 69, 75, 80, 85, 91, 95, 102, 107, 111, 118, 122, 129, 133, 138, 145, 149, 155, 160, 165, 171, 175, 182, 187, 191, 198, 202, 209, 213, 218, 225, 229, 235, 240, 245, 251, 255, 262 ]
[ "nonn" ]
A049835
[ 1, 3, 7, 11, 19, 21, 35, 37, 49, 53, 75, 65, 99, 93, 105, 115, 151, 127, 179, 153, 181, 193, 239, 191, 257, 249, 271, 261, 339, 263, 375, 329, 361, 373, 401, 351, 487, 441, 461, 427, 563, 443, 603, 517, 535, 585, 683, 533, 697, 619, 685, 661, 811, 657, 781, 711 ]
[ "nonn" ]
A333844
[ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 3, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 3 ]
[ "nonn", "mult" ]
A180557
[ 67, 97, 163, 167, 193, 197, 263, 293, 367, 397, 461, 491, 563, 593, 607, 641, 647, 653, 661, 677, 683, 907, 941, 947, 953, 977, 983, 991, 1061, 1063, 1091, 1093, 1163, 1193, 1567, 1597, 1601, 1607, 1613, 1663, 1667, 1901, 1907, 1913, 1993, 1997, 2267, 2297 ]
[ "base", "nonn" ]
A049017
[ 1, 7, 28, 84, 210, 462, 924, 1717, 3017, 5110, 8568, 14756, 27132, 54264, 116281, 257775, 572264, 1246784, 2641366, 5430530, 10861060, 21242341, 40927033, 78354346, 150402700, 291693136, 574274008, 1148548016, 2326683921, 4749439975, 9714753412, 19818498700, 40199107690 ]
[ "nonn", "easy" ]
A197042
[ 2, 20, 120, 698, 4080, 24074, 141856, 833758, 4909544, 28899922, 170120402, 1001361542, 5894102732, 34694985108, 204224876622, 1202124327402, 7076038423114, 41651567268298, 245173129915012, 1443158678807678 ]
[ "nonn" ]
A147121
[ 1, 1, 1, 1, 1, 1, 1, 7, 23, 49, 87, 207, 721, 2133, 8229, 34269, 162105, 830967, 4627991, 26390809, 175258607 ]
[ "nonn" ]
A127194
[ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 10, 19, 37, 73, 145, 289, 577, 1153, 2305, 4609, 9217, 18424, 36829, 73621, 147169, 294193, 588097, 1175617, 2350081, 4697857, 9391105, 18772993, 37527562, 75018295, 149962969, 299778769, 599263345, 1197938593 ]
[ "nice", "nonn", "easy" ]
A175937
[ 1, 2, 10, 62, 448, 3464, 28111, 236022, 2033145, 17867442, 159558635, 1443747386, 13207922431, 121962046864, 1135246916024, 10640772522150, 100346005711723, 951400275042466, 9063703952844960, 86718277215053220, 832901296331740500 ]
[ "nonn" ]
A144191
[ 0, 0, 2, 2, 1, 2, 0, 1, 1, 1, 0, 1, 0, 2, 1, 1, 0, 1, 2, 0, 0, 1, 3, 2, 3, 2, 5, 0, 1, 2, 3, 2, 1, 3, 0, 2, 2, 2, 2, 3, 0, 1, 3, 0, 1, 0, 5, 2, 1, 1, 1, 2, 1, 1, 2, 2, 5, 2, 1, 2, 3, 2, 1, 0, 0, 1, 1, 0, 5, 1, 3, 2, 2, 0, 1, 2, 2, 1, 1, 1, 3, 2, 2, 7, 0, 2, 1, 2, 1, 2, 2, 2, 2, 0, 1, 2, 1, 3, 3, 1, 1, 2, 1, 5, 3 ]
[ "nonn" ]
A274302
[ 1, 1, 1, 5, 13, 13, 13, 77, 77, 333, 845, 1869, 3917, 8013, 801, 24397, 57165, 122701 ]
[ "dead" ]
A195403
[ 6, 9, 2, 0, 2, 8, 6, 7, 8, 4, 7, 1, 6, 5, 1, 7, 6, 7, 9, 0, 4, 3, 2, 8, 7, 4, 5, 2, 5, 6, 2, 9, 3, 2, 5, 2, 0, 0, 9, 4, 0, 2, 2, 7, 5, 9, 3, 1, 3, 3, 3, 2, 2, 7, 0, 3, 7, 6, 1, 6, 4, 8, 0, 3, 3, 1, 9, 2, 5, 7, 7, 4, 5, 6, 5, 6, 6, 8, 8, 7, 5, 7, 5, 3, 6, 4, 5, 9, 7, 8, 4, 0, 1, 8, 6, 1, 7, 5, 7, 8, 9 ]
[ "nonn", "cons" ]
A156320
[ 3, 11, 5, 13, 11, 19, 23, 31, 29, 37, 53, 61, 59, 67, 71, 79, 89, 97, 101, 109, 131, 139, 149, 157, 173, 181, 191, 199, 233, 241, 263, 271, 269, 277, 359, 367, 389, 397, 401, 409, 431, 439, 449, 457, 479, 487, 491, 499, 563, 571, 569, 577, 593, 601, 599, 607, 653, 661, 683, 691, 701 ]
[ "nonn", "tabf" ]
A201034
[ 1117, 3079, 6553, 11971, 30367, 61723, 83341, 140617, 820117, 934399, 1666729, 4782961, 5527117, 5926519, 7716367, 11025379, 12308671, 13687867, 14414509, 19320193, 23142169, 24170563, 33514867, 36177103, 37559521, 41917159, 56984617 ]
[ "nonn", "easy" ]
A222616
[ 1, 1, 1, 1, 1, 1, 4, 3, 3, 4, 5, 12, 5, 12, 5, 14, 40, 65, 65, 40, 14, 17, 149, 181, 567, 181, 149, 17, 75, 615, 3545, 5746, 5746, 3545, 615, 75, 95, 2659, 11421, 85511, 60550, 85511, 11421, 2659, 95, 411, 11641, 243955, 1409334, 2921905, 2921905, 1409334 ]
[ "nonn", "tabl" ]
A257405
[ 1, 2, 3, 6, 5, 10, 7, 14, 4, 8, 11, 22, 13, 26, 12, 9, 17, 34, 19, 38, 16, 18, 23, 46, 20, 15, 21, 24, 29, 58, 31, 62, 28, 30, 25, 35, 37, 74, 32, 36, 41, 82, 43, 86, 40, 42, 47, 94, 44, 33, 27, 39, 53, 106, 48, 45, 50, 52, 59, 118, 61, 122, 54, 51, 57, 60, 67 ]
[ "nonn" ]
A315532
[ 1, 6, 11, 17, 22, 30, 34, 37, 45, 48, 56, 66, 67, 71, 78, 84, 90, 97, 101, 102, 112, 120, 123, 131, 134, 138, 146, 151, 157, 162, 168, 174, 179, 185, 190, 198, 202, 205, 213, 216, 224, 234, 235, 239, 246, 252, 258, 265, 269, 270 ]
[ "nonn" ]
A012411
[ 0, 1, 2, -1, -28, -107, 470, 10243, 51592, -677879, -15870422, -76105753, 2647708780, 62662672733, 171362144382, -21259413359701, -489069754224624, 774485831879569, 300884931182492740 ]
[ "sign" ]
A287446
[ 3, 4, 8, 11, 15, 16, 21, 23, 25, 30, 32, 34, 39, 40, 44, 47, 51, 52, 57, 58, 62, 66, 68, 70, 74, 78, 79, 84, 85, 89, 93, 95, 97, 101, 105, 106, 111, 112, 116, 119, 123, 124, 129, 131, 133, 138, 140, 142, 147, 148, 152, 155, 159, 160, 165, 166, 170, 173, 177 ]
[ "nonn", "easy" ]
A343164
[ 1, 1, 5, 16, 61, 239 ]
[ "nonn", "more" ]
A069435
[ 255, 127710, 62820362, 30539121806, 14741384488782 ]
[ "nonn" ]
A341900
[ 0, 1, 2, 7, 26, 127, 746, 5167, 41066, 368047, 3669866, 40284847, 482671466, 6267305647, 87660962666, 1313941673647, 21010450850666, 357001369769647, 6423384156578666, 122002101778601650, 2439325392333219000, 51212944273488040000, 1.1264400531699409e+21 ]
[ "nonn", "easy" ]
A186578
[ 1953125, 845, 23197, 441869, 1310469, 1673469, 2481269, 4583469, 11621669, 47205469, 171584469, 518633869, 1869857669, 5867355069, 16498082869, 56557420269 ]
[ "nonn" ]
A308737
[ 1, 1, 3, 1, 8, 7, 1, 17, 31, 15, 1, 34, 96, 94, 31, 1, 67, 258, 382, 253, 63, 1, 132, 645, 1280, 1275, 636, 127, 1, 261, 1545, 3845, 5115, 3831, 1531, 255, 1, 518, 3598, 10766, 17920, 17906, 10738, 3578, 511, 1, 1031, 8212, 28700, 57358, 71666, 57316, 28652, 8185, 1023 ]
[ "nonn", "tabl" ]
A369308
[ 1, 0, 0, 2, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0, 3, 0, 0, 0, 0, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 4, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 4, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 0, 0, 0, 0, 0, 0 ]
[ "nonn", "easy", "mult" ]
A386541
[ 27, 84, 110, 133, 144 ]
[ "nonn", "full", "fini" ]
A344229
[ 1, 2, 6, 21, 85, 430, 2586, 18109, 144873, 1303866, 13038670, 143425381, 1721104573, 22374359462, 313241032482, 4698615487245, 75177847795921, 1278023412530674, 23004421425552150, 437084007085490900, 8741680141709818000, 183575282975906170000 ]
[ "nonn" ]
A384048
[ 1, 2, 3, 3, 5, 6, 7, 7, 8, 10, 11, 9, 13, 14, 15, 15, 17, 16, 19, 15, 21, 22, 23, 21, 24, 26, 26, 21, 29, 30, 31, 31, 33, 34, 35, 24, 37, 38, 39, 35, 41, 42, 43, 33, 40, 46, 47, 45, 48, 48, 51, 39, 53, 52, 55, 49, 57, 58, 59, 45, 61, 62, 56, 63, 65, 66, 67, 51 ]
[ "nonn", "easy", "mult" ]
A218349
[ 5, 41, 291, 2069, 14811, 105913, 757305, 5415209, 38722037, 276885777, 1979899795, 14157473937, 101234450215, 723887182917, 5176228570197, 37013146305509, 264666248964889, 1892522801570497, 13532675845407460, 96766768350125920 ]
[ "nonn" ]
A072228
[ 6, 244, 285, 133857, 141635817, 273722772124 ]
[ "base", "more", "nonn", "nice" ]
A389476
[ 1, 1, 6, 47, 442, 4691, 54330, 672992, 8800734, 120416351, 1712882948, 25210553528, 382540272262, 5967422564959, 95485793149616, 1564404241900576, 26204548617091120, 448220637836513300, 7820801877411057000, 139085087620932830000, 2.5191861895115036e+21, 4.644245933547915e+22 ]
[ "nonn" ]
A021806
[ 0, 0, 1, 2, 4, 6, 8, 8, 2, 7, 9, 3, 0, 1, 7, 4, 5, 6, 3, 5, 9, 1, 0, 2, 2, 4, 4, 3, 8, 9, 0, 2, 7, 4, 3, 1, 4, 2, 1, 4, 4, 6, 3, 8, 4, 0, 3, 9, 9, 0, 0, 2, 4, 9, 3, 7, 6, 5, 5, 8, 6, 0, 3, 4, 9, 1, 2, 7, 1, 8, 2, 0, 4, 4, 8, 8, 7, 7, 8, 0, 5, 4, 8, 6, 2, 8, 4, 2, 8, 9, 2, 7, 6, 8, 0, 7, 9, 8, 0 ]
[ "nonn", "cons", "easy" ]
A031800
[ 1561, 1579, 1621, 1741, 1981, 2371, 2661, 2683, 2719, 2734, 2854, 3292, 3541, 3577, 3613, 3637, 3669, 3754, 3826, 4195, 4219, 4291, 4363, 4391, 4468, 4513, 4957, 5129, 5146, 5161, 5169, 5416, 5479, 5533, 5710, 5861, 5867, 6269, 6313, 6389, 6509, 6542 ]
[ "nonn" ]
A279952
[ 0, 0, 1, 0, 1, 1, 0, 0, 1, 1, 1, 1, 0, 0, 2, 0, 1, 1, 0, 1, 1, 1, 0, 1, 1, 0, 1, 0, 0, 2, 1, 0, 2, 1, 1, 1, 0, 0, 1, 1, 1, 1, 0, 1, 2, 0, 0, 1, 0, 1, 2, 0, 0, 1, 2, 0, 1, 0, 1, 2, 0, 1, 1, 0, 1, 2, 1, 1, 1, 1, 0, 1, 0, 0, 2, 0, 1, 1, 0, 1, 1, 1, 1, 1, 2, 0, 1, 1, 0, 2, 0, 0, 2, 0, 1, 1, 0, 0, 2, 1, 0, 2, 0, 0, 2, 0, 0, 1, 1, 2, 1, 0, 0, 1, 1, 0, 1, 1, 1, 2 ]
[ "nonn", "easy" ]
A120588
[ 1, 1, 1, 2, 5, 14, 42, 132, 429, 1430, 4862, 16796, 58786, 208012, 742900, 2674440, 9694845, 35357670, 129644790, 477638700, 1767263190, 6564120420, 24466267020, 91482563640, 343059613650, 1289904147324, 4861946401452, 18367353072152 ]
[ "nonn", "easy" ]
A091951
[ 0, 1, 2, 3, 4, 5, 6, 5, 8, 6, 10, 7, 12, 7, 11, 9, 8, 10, 18, 9, 15, 9, 10, 13, 24, 10, 16, 15, 12, 11, 18, 11, 17, 12, 14, 19, 12, 13, 22, 21, 16, 13, 21, 13, 20, 15, 14, 23, 32, 14, 22, 15, 20, 17, 30, 15, 16, 15, 22, 31, 39, 16, 26, 33, 16, 20, 18, 17, 28, 21, 26, 17, 27, 17, 26 ]
[ "nonn", "base" ]
A228530
[ 1, 11, 31, 3113, 3133, 3153, 215315, 31123335, 41225335, 3132631435, 313263243516, 413283242536, 31527334253618, 3152733435261728, 4152832445263728, 3172634445263738, 2162636435363738, 2142934425663728, 216273442566272830, 319233542556372800 ]
[ "nonn", "base", "easy" ]
A210149
[ 57, 820, 11783, 169343, 2433709, 34976109, 502659771, 7223984325, 103819625131, 1492045676385, 21442962225379, 308167930976177, 4428841159329331, 63649173203875530, 914735278099257600, 13146135085198400000 ]
[ "nonn" ]
A294779
[ 1, 0, 0, 2, 0, 6, 2, 12, 12, 22, 42, 42, 114, 102, 264, 280, 564, 744, 1186, 1866, 2538, 4380, 5598, 9732, 12602, 20898, 28374, 44048, 63000, 92190, 137012, 192864, 291588, 403668, 609072, 843228, 1253978, 1752150, 2555058, 3611380, 5168778, 7371324, 10400908 ]
[ "nonn" ]
A368230
[ 0, 1, 2, 3, 5, 6, 4, 7, 8, 9, 11, 12, 15, 19, 20, 16, 21, 22, 10, 13, 14, 17, 23, 24, 18, 25, 26, 27, 29, 30, 33, 37, 38, 34, 39, 40, 45, 49, 50, 57, 65, 66, 58, 67, 68, 46, 51, 52, 59, 69, 70, 60, 71, 72, 28, 31, 32, 35, 41, 42, 36, 43, 44, 47, 53, 54, 61, 73 ]
[ "nonn", "base" ]
A370942
[ 0, 0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 1, 1, 1, 0, 0, 0, 1, 0, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 1, 0, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 2, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 1, 0, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 2, 1, 1, 1, 2, 1, 1 ]
[ "nonn", "tabf" ]
A039771
[ 1, 2, 15, 16, 20, 24, 30, 85, 128, 136, 160, 170, 192, 204, 240, 247, 259, 327, 333, 351, 399, 405, 436, 494, 518, 532, 648, 654, 666, 684, 702, 756, 771, 798, 810, 1024, 1028, 1088, 1111, 1255, 1280, 1360, 1375, 1536, 1542, 1632, 1843, 1853, 1875, 1920, 2008 ]
[ "nonn" ]
A037383
[ 1, 2, 13, 51, 63, 67, 68, 79, 84, 91, 99, 105, 134, 205, 211, 246, 252, 345, 351, 352, 354, 355, 357, 358, 359, 360, 361, 362, 363, 364, 366, 373, 380, 387, 394, 401, 406, 441, 442, 443, 444, 445, 446, 447, 448, 449, 454, 455, 457 ]
[ "nonn", "base" ]
A220805
[ 2, 2, 2, 8, 16, 8, 16, 48, 48, 16, 24, 256, 512, 256, 24, 64, 928, 4096, 4096, 928, 64, 128, 4096, 30766, 62648, 30766, 4096, 128, 232, 15820, 262144, 1048576, 1048576, 262144, 15820, 232, 512, 65536, 2097152, 16777216, 33358976, 16777216, 2097152, 65536 ]
[ "nonn", "tabl" ]
A368105
[ 1, 1, 1, 2, 1, 1, 1, 3, 2, 1, 1, 2, 1, 1, 1, 3, 1, 2, 1, 2, 1, 1, 1, 3, 2, 1, 3, 2, 1, 1, 1, 5, 1, 1, 1, 4, 1, 1, 1, 3, 1, 1, 1, 2, 2, 1, 1, 3, 2, 2, 1, 2, 1, 3, 1, 3, 1, 1, 1, 2, 1, 1, 2, 5, 1, 1, 1, 2, 1, 1, 1, 6, 1, 1, 2, 2, 1, 1, 1, 3, 3, 1, 1, 2, 1, 1, 1 ]
[ "nonn", "easy", "mult" ]
A362494
[ 1, 1, 1, 1, -5, -149, -2249, -26249, -251159, -1443959, 21646801, 1209344401, 35457894451, 817789456771, 14796993881671, 137893562065351, -4661597156689199, -372730180154530800, -16419790692323174000, -559989133713039500000, -1.4492546886670842e+22 ]
[ "sign" ]
A038636
[ 5, 91, 322, 1173, 1536, 4185, 5131, 5816, 5966, 6514, 6988, 8799, 9099, 10434, 13003, 13545, 13807, 14205, 15597, 28166, 33905, 36365, 43682, 47174, 66845, 66958, 68785, 72076, 87294, 90709, 91247, 91250, 111887, 114607, 117667, 120425, 131392, 142796, 149574 ]
[ "nonn" ]
A164679
[ 1, 2, 1, 5, 4, 2, 10, 9, 7, 3, 19, 18, 16, 11, 4, 33, 32, 30, 25, 16, 5, 57 ]
[ "easy", "nonn", "tabl", "uned" ]
A352274
[ 1, 3, 4, 7, 9, 12, 13, 16, 19, 21, 25, 27, 28, 31, 36, 37, 39, 43, 48, 49, 52, 55, 57, 61, 63, 64, 67, 73, 75, 76, 79, 81, 84, 85, 91, 93, 97, 100, 103, 108, 109, 111, 112, 115, 117, 121, 124, 127, 129, 133, 139, 144, 145, 147, 148, 151, 156, 157, 163, 165, 169, 171, 172 ]
[ "nonn", "easy" ]
A331344
[ 1, 2, 15, 317, 12586, 803764, 75603729, 9880078404, 1719511013708, 385900586669488, 108870763685147630, 37821200661333030000, 1.5903952714275756e+22, 7.978911737260661e+24, 4.717171385049289e+27, 3.2514031927844726e+30 ]
[ "nonn" ]
A113327
[ 1, 2, 8, 36, 176, 928, 5296, 33024, 227776, 1757504, 15269888, 149327616, 1632715520, 19758502912, 261836047360, 3763432774656, 58208166178816, 962637398577152, 16934963591229440, 315578267054112800 ]
[ "nonn" ]
A219132
[ 243, 1049, 63183, 607115, 20168447, 285332189, 7257445621, 124234358895, 2783396055591, 52032195606049, 1099686106378363, 21401861684236264, 440426781367948200, 8729796620293369000, 177478732361408480000 ]
[ "nonn" ]
A285404
[ 5, 6, 12, 13, 19, 20, 26, 27, 29, 30, 32, 33, 35, 36, 38, 39, 45, 46, 52, 53, 59, 60, 66, 67, 73, 74, 76, 77, 79, 80, 82, 83, 85, 86, 92, 93, 99, 100, 106, 107, 113, 114, 120, 121, 123, 124, 126, 127, 129, 130, 132, 133, 139, 140, 146, 147, 153, 154, 160 ]
[ "nonn", "easy" ]
A301805
[ 0, 0, 1, 1, 2, 2, 3, 3, 3, 2, 4, 4, 4, 4, 4, 4, 6, 4, 4, 3, 5, 4, 4, 5, 7, 5, 4, 4, 6, 4, 7, 5, 5, 7, 7, 5, 5, 4, 8, 5, 7, 6, 11, 6, 6, 5, 8, 5, 6, 7, 5, 7, 6, 5, 5, 5, 7, 7, 4, 4, 8, 8, 8, 6, 6, 6, 9, 8, 8, 7, 8, 6, 10, 6, 10, 6, 8, 8, 8, 5 ]
[ "nonn" ]
A193833
[ 4, 36, 77, 1089, 33123, 2098879, 268450093, 68719637953, 35184374010883, 36028797051155650, 73786976295548940000, 3.022314549036763e+23, 2.475880078570761e+27, 4.056481920730334e+31 ]
[ "nonn" ]
A107681
[ 0, 1, 0, 1, 3, 4, 0, 1, 3, 4, 9, 10, 12, 13, 0, 1, 3, 4, 9, 10, 12, 13, 27, 28, 30, 31, 36, 37, 39, 40, 0, 1, 3, 4, 9, 10, 12, 13, 27, 28, 30, 31, 36, 37, 39, 40, 81, 82, 84, 85, 90, 91, 93, 94, 108, 109, 111, 112, 117, 118, 120, 121, 0, 1, 3, 4, 9, 10, 12, 13, 27, 28, 30, 31, 36, 37 ]
[ "nonn", "easy", "look" ]
A102288
[ 1, 3, 2, 1, 3, 4, 1, 7, 7, 5, 45, 2, 181, 43, 17, 1097, 7653, 13782, 9, 24001, 119780, 458562, 152116956851941670000, 1054536, -52, 27, 28, 60, 4806079, 3, 35792569, 3010350, 2.3870101021924697e+36, 3, 1, -52, 44, 1, -4096, 174, 37339, 1.1111111111111112e+41, 30402458, 413927967 ]
[ "sign" ]
A198206
[ 43, 1765, 50729, 1660672, 56315642, 1930887802, 66941645630, 2331298473193, 81407459944121, 2846734759084627, 99622031525717860, 3487698946608204300, 122128077706715330000, 4.2770231784079785e+21, 1.4979387886265325e+23 ]
[ "nonn" ]
A313829
[ 1, 5, 10, 16, 20, 25, 30, 35, 40, 44, 50, 55, 60, 65, 70, 76, 80, 85, 90, 95, 100, 104, 110, 115, 120, 125, 130, 136, 140, 145, 150, 155, 160, 164, 170, 175, 180, 185, 190, 196, 200, 205, 210, 215, 220, 224, 230, 235, 240, 245 ]
[ "nonn" ]
A215663
[ 0, 0, 0, -3, -5, 29, 88, 96, -79, -1828, -2319, -1476, -5774, -19201, 73217, 327052, -598255, -3501366, 23884333, -4891825, -86432205, -127132665, 1033299853, -1658989720, -1834784715, -17149335456, -17535487935, -174760519828 ]
[ "sign" ]
A366844
[ 0, 1, 0, 0, 1, 0, 1, 0, 2, 1, 2, 1, 2, 2, 3, 3, 5, 4, 4, 5, 6, 7, 8, 8, 9, 11, 12, 12, 15, 16, 15, 19, 23, 23, 26, 28, 30, 34, 37, 38, 44, 48, 48, 56, 62, 63, 72, 77, 82, 92, 96, 102, 116, 124, 128, 142, 155, 162, 178, 191, 200, 222, 236, 246, 276, 291, 303, 334 ]
[ "nonn" ]
A245427
[ 43, 547, 909091, 1623931, 7027567, 10678711, 15790321, 22796593, 32222107, 81867661, 183458857, 234750601, 574995877, 2498207293, 6177695707, 7095062437, 9272716111, 13564461457, 19397579293, 24344094727, 50689400581, 81420308971, 137405657593, 149289169177 ]
[ "nonn" ]
A099756
[ 11, 2, 3, 5, 7, 101, 211, 13, 41, 151, 61, 17, 181, 19, 23, 227, 29, 43, 53, 37, 83, 47, 449, 557, 59, 67, 787, 79, 89, 1021, 103, 401, 1051, 601, 107, 1801, 109, 2003, 2027, 2029, 4003, 503, 307, 3083, 4007, 409, 5077, 509, 607, 8087, 709, 809, 1123, 241, 251, 1621 ]
[ "base", "nonn", "easy", "fini", "full" ]
A034181
[ 14, 37, 316, 1034483, 1052632, 263157895, 1224489796, 42105263158, 17241379310345, 210526315789474, 1578947368421053, 3103448275862069, 11864406779661016, 16326530612244898, 47368421052631576 ]
[ "easy", "nonn", "base" ]
A162012
[ 0, 19, 663, 6501, 36729, 149842, 491274, 1375206, 3413982, 7710813, 16133689, 31690659, 59028879, 105082068, 179893252, 297641916, 477906924, 747198807, 1140797259, 1704931921, 2499346773, 3600290694, 5103978990, 7130572930 ]
[ "easy", "nonn" ]
A017817
[ 1, 0, 0, 1, 1, 0, 1, 2, 1, 1, 3, 3, 2, 4, 6, 5, 6, 10, 11, 11, 16, 21, 22, 27, 37, 43, 49, 64, 80, 92, 113, 144, 172, 205, 257, 316, 377, 462, 573, 693, 839, 1035, 1266, 1532, 1874, 2301, 2798, 3406, 4175, 5099, 6204, 7581, 9274, 11303, 13785, 16855, 20577, 25088 ]
[ "nonn", "easy" ]