id
stringlengths
7
11
seq
listlengths
1
347
keywords
listlengths
1
8
A013198
[ 0, 1, 0, -2, 12, -32, 72, 152, -3808, 48448, -333440, 289408, 26461952, -393649024, 4126861312, -34249082624, -93963415552, 12871254335488, -272828216803328, 2591959365570560, 6130847346393088 ]
[ "sign" ]
A203923
[ 112, 392, 392, 1400, 1682, 1400, 5000, 6050, 6050, 5000, 17800, 21632, 21470, 21632, 17800, 63368, 77618, 75272, 75272, 77618, 63368, 225704, 279752, 267066, 262088, 267066, 279752, 225704, 803912, 1008200, 949442, 916658, 916658, 949442, 1008200 ]
[ "nonn", "tabl" ]
A006881
[ 6, 10, 14, 15, 21, 22, 26, 33, 34, 35, 38, 39, 46, 51, 55, 57, 58, 62, 65, 69, 74, 77, 82, 85, 86, 87, 91, 93, 94, 95, 106, 111, 115, 118, 119, 122, 123, 129, 133, 134, 141, 142, 143, 145, 146, 155, 158, 159, 161, 166,...
[ "nonn", "easy", "nice", "changed" ]
A234987
[ 7554, 35598, 206556, 1525462, 12242044, 105948984, 951853990, 8853338774, 84210673350, 816873730308, 8033167367750, 79893700183320, 800974540818196, 8081147949233154, 81903548032822430, 833020114573408400 ]
[ "nonn" ]
A184062
[ 7, 16, 130, 1918, 56723, 2663589, 262752720, 52431215293, 22708430287929, 21448555991084060 ]
[ "nonn" ]
A018746
[ 1, 3, 9, 107, 321, 963 ]
[ "nonn", "fini", "full", "easy" ]
A295147
[ 1, 2, 8, 17, 39, 80, 167, 337, 682, 1368, 2745, 5495, 11000, 22006, 44024, 88055, 176123, 352254, 704522, 1409053, 2818121, 5636252, 11272520, 22545051, 45090119, 90180250, 180360518 ]
[ "nonn", "easy" ]
A128752
[ 0, 0, 2, 9, 41, 189, 880, 4131, 19522, 92763, 442798, 2121795, 10200477, 49176639, 237661176, 1151032005, 5585185425, 27146751885, 132145210270, 644128990155, 3143590707235, 15358979381175, 75117256339240, 367723284610905 ]
[ "nonn" ]
A242927
[ 2, 1, 4, 99, 3081 ]
[ "nonn", "full", "fini" ]
A210057
[ 2187, 124097, 7293673, 438056462, 26586250017, 1622061565898, 99225470062505, 6077972350575098, 372554278601240600, 22843974931212464000, 1.4009791161574862e+21, 8.592743933179101e+22 ]
[ "nonn" ]
A346465
[ 9, 11, 18, 27, 32, 36, 45, 50, 53, 54, 63, 68, 72, 74, 78, 81, 90, 95, 99, 100, 108, 116, 117, 126, 127, 135, 137, 144, 147, 150, 153, 155, 158, 162, 171, 179, 180, 182, 189, 198, 200, 204, 207, 216, 221, 225, 233, 234, ...
[ "nonn" ]
A242037
[ 1, 2, 23, 23, 63, 63, 120, 228, 228, 386, 460, 460, 602, 896, 1096, 1096, 1416, 1416, 1416, 3158, 3158, 3158, 3204, 3438, 3438, 3966, 3966, 3966, 8229, 8229, 8229, 8229, 8229, 8229, 8229, 8229, 8229, 8294, 8593, 8593, 11125, 11125, ...
[ "nonn" ]
A188349
[ 5, 45, 257, 4201, 45801, 1171345, 25217201, 870473329, 30807035021, 1370460938381 ]
[ "nonn" ]
A307330
[ 858, 1547, 2515, 3059, 9503, 9781, 11899, 11900, 13622, 15413, 18928, 22829, 25462, 32020, 33021, 33963, 36598, 37811, 37854, 40046, 44447, 49104, 55249, 56526, 60847, 61741, 80658, 84414, 86235, 87971, 92832, 96674, 97185, 100004, 102684, 108025...
[ "nonn" ]
A024274
[ 0, 1, 6, 111, 4060, 239405, 20758914, 2482982971, 391694904056, 78786450217881, 19679892395058750, 5976596329212898000, 2.1686162758763977e+21, 9.265864067960433e+23, 4.604660531988427e+26, 2.6333390653336822e+29 ]
[ "nonn" ]
A301060
[ 1, 4, 12, 21, 38, 60, 89, 123, 161, 202, 249, 305, 362, 428, 492, 562, 648, 741, 821, 901, 1005, 1122, 1240, 1341, 1433, 1576, 1724, 1852, 1987, 2119, 2277, 2445, 2595, 2753, 2928, 3106, 3291, 3466, 3647, 3843, 4071, 4278, 4473, 4...
[ "nonn" ]
A099032
[ 1, 1, 5, 26, 216, 2024, 27806, 417209, 6345735, 90590713, 1190322956, 14303835837, 157430569051, 1592645620686, 14873235105552, 128762751824308, 1037532923086353, 7809413514931644, 55089365597956210, 365290003947963460 ]
[ "nonn" ]
A149387
[ 1, 1, 4, 12, 49, 191, 815, 3469, 15307, 68013, 307268, 1398768, 6428729, 29727505, 138333374, 646828034, 3038128475, 14323832261, 67765179616, 321553421700, 1529953926595, 7297218756599, 34881425500517, 167070104553465, 801674006390029, 3853224043493441, 185489919...
[ "nonn", "walk" ]
A320166
[ 1, 2, 2, 4, 2, 2, 8, 4, 10, 12, 4, 16, 12, 8, 16, 16, 18, 32, 26, 4, 26, 16, 24, 44, 16, 22, 32, 28, 12, 24, 20, 40, 66, 40, 8, 16, 44, 24, 76, 32, 20, 72, 40, 28, 32, 46, 36, 108, 60, 22, 58, 32, 48, 76, 56,...
[ "nonn" ]
A073065
[ 6, 15, 55, 119, 341, 533, 1003, 1273, 1909, 3161, 3937, 5809, 7339, 8213, 9917, 12773, 16343, 17263, 22177, 25063, 26791, 31679, 35773, 41029, 49373, 55247, 57989, 62809, 65291, 69721, 90043, 96809, 105901, 110783, 127991, 132427, 144283, 157...
[ "easy", "nonn" ]
A141547
[ 550, 748, 1504, 7192, 7912, 10792, 17272, 30592, 1713592, 4526272, 8353792, 9928792, 11547352, 17999992, 89283592, 173482552, 361702144, 1081850752, 1845991216, 2146926592, 11097907192, 12985220152, 21818579968, 34357510144, 109170719992, 228354264064, 27963233279...
[ "nonn" ]
A306056
[ 8, 24, 58, 164, 608, 2168, 6955, 23269, 80463, 271633, 908820, 3081846, 10454616, 35254223, 119067103, 402989356, 1362262739, 4602409803, 15559718166, 52607165051, 177810355067, 601025502460, 2031788683772, 6868166849601 ]
[ "nonn" ]
A286676
[ 1, 3, 9, 2, 20, 12, 23, 27, 31, 35, 187, 1461, 485, 105, 64, 69, 67, 18, 11, 41, 87, 23, 97, 828, 251175, 497650, 1582733, 480083, 3070955, 139927, 1253, 1301, 160, 83, 172, 89, 184, 181, 187, 193, 199, 205, 211, 217, 223, 229...
[ "nonn", "frac" ]
A284946
[ 2, 3, 4, 5, 7, 8, 9, 11, 12, 13, 15, 16, 17, 20, 21, 22, 23, 25, 26, 27, 29, 30, 31, 34, 35, 36, 37, 39, 40, 41, 43, 44, 45, 48, 49, 50, 51, 53, 54, 55, 57, 58, 59, 62, 64, 65, 66, 67, 69, 70, 71, 73, 74, 75, ...
[ "nonn", "easy" ]
A129162
[ 1, 5, 23, 103, 462, 2086, 9493, 43521, 200855, 932429, 4350995, 20395349, 95987113, 453354623, 2148027772, 10206485598, 48621125308, 232156538970, 1110842790406, 5325499426116, 25576096186920, 123030491611330 ]
[ "nonn" ]
A099359
[ 6, 25, 123, 727, 4911, 35935, 274623, 2146687, 16974591, 135005695, 1076890623, 8602523647, 68769820671, 549957165055, 4398851866623, 35187593412607, 281487861809151, 2251851353686015, 18014604668698624, 144116012711149570, 1152924803144876000 ]
[ "nonn", "easy" ]
A210202
[ 1, 2, 3, 4, 7, 6, 7, 17, 17, 12, 12, 35, 50, 40, 24, 20, 70, 120, 135, 92, 48, 33, 134, 275, 365, 346, 208, 96, 54, 251, 593, 930, 1033, 856, 464, 192, 88, 461, 1236, 2206, 2874, 2784, 2064, 1024, 384, 143, 835, 2500, 50...
[ "nonn", "tabl" ]
A037361
[ 5, 6, 7, 8, 10, 12, 13, 14, 15, 17, 18, 19, 20, 21, 23, 24, 25, 26, 29, 30, 31, 32, 34, 35, 36, 40, 41, 42, 43, 50, 51, 52, 53, 57, 58, 59, 60, 61, 62, 63, 64, 67, 68, 69, 70, 71, 72, 73, 76, 77, 78, 79, 80, 87...
[ "nonn", "base" ]
A303908
[ 1, 0, 0, 1, 0, 0, 2, 0, 0, 3, 1, 0, 5, 2, 0, 9, 5, 0, 15, 10, 1, 27, 20, 3, 46, 40, 9, 80, 78, 22, 139, 152, 51, 242, 290, 114, 427, 550, 247, 753, 1034, 525, 1340, 1933, 1092, 2396, 3602, 2237, 4312, 6685, 4519, 7...
[ "nonn" ]
A053446
[ 1, 1, 2, 4, 6, 2, 4, 5, 3, 6, 4, 16, 18, 4, 5, 11, 20, 3, 6, 28, 30, 8, 16, 12, 18, 18, 4, 8, 42, 10, 11, 23, 42, 20, 6, 52, 20, 6, 28, 29, 10, 30, 16, 12, 22, 16, 12, 35, 12, 18, 18, 30, 78, 4, 8, 41, 16...
[ "nonn" ]
A221250
[ 0, 4, 30, 58081, 78633756, 4919350997521, 720107530988048000, 2.2839741000999633e+24 ]
[ "nonn" ]
A302353
[ 1, 1, 7, 69, 936, 16290, 345857, 8666413, 250355800, 8191830942, 299452606190, 12095028921250, 534924268768540, 25710497506696860, 1334410348734174200, 74379234152676280000, 4.4313501322326584e+21, 2.8102060319403953e+23, 1.8900157831016574e+25, 1.343698678390576e+27 ]
[ "nonn" ]
A332164
[ 4, 646, 66466, 6664666, 666646666, 66666466666, 6666664666666, 666666646666666, 66666666466666664, 6666666664666667000, 666666666646666600000, 6.666666666646666e+22, 6.666666666664666e+24, 6.666666666666467e+26, 6.6666666666666465e+28, 6.666666666666665e+30 ]
[ "nonn", "base", "easy" ]
A156096
[ 1, 1, 4, 6, 18, 32, 84, 164, 400, 824, 1928, 4096, 9360, 20240, 45632, 99680, 223008, 489984, 1091392, 2405952, 5345536, 11806592, 26194048, 57917440, 128389376, 284057856, 629392384, 1393010176, 3085685248, 6830825472, 15128761344 ]
[ "nonn" ]
A182070
[ 1, 2, 35, 8292, 43324498, 7006657352045 ]
[ "nonn" ]
A001152
[ 4, 36, 3178, 298908192, 165073828103027330000, 6.487168790978377e+45 ]
[ "nonn" ]
A269624
[ 1, 2, 3, 2, 1, 2, 3, 3, 2, 1, 2, 3, 4, 3, 2, 3, 4, 4, 3, 2, 3, 4, 5, 4, 3, 4, 5, 5, 4, 3, 4, 5, 5, 4, 3, 4, 5, 4, 3, 2, 3, 4, 4, 3, 2, 3, 4, 3, 2, 1, 2, 3, 4, 3, 2, 3, 4, 4, 3, 2, 3, 4, 5, 4...
[ "nonn", "base" ]
A348683
[ 1, 1, 0, 2, 8, 4, 5, 3, 0, 3, 7, 7, 8, 6, 2, 7, 0, 5, 8, 5, 9, 3, 0, 5, 1, 8, 8, 8, 7, 4, 7, 3, 5, 5, 9, 6, 9, 5, 7, 7, 3, 3, 3, 5, 5, 9, 6, 5, 1, 5, 8, 9, 3, 4, 1, 3, 4, 8, 2, 4, 0, 3, 8, 2...
[ "nonn", "cons" ]
A367613
[ 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 15, 16, 17, 19, 20, 21, 22, 23, 24, 25, 26, 28, 29, 30, 31, 32, 34, 35, 37, 38, 39, 40, 41, 42, 43, 44, 46, 47, 48, 49, 50, 51, 53, 55, 56, 57, 58, 59, 60, 61, 62, 6...
[ "nonn", "base" ]
A256733
[ 2310400, 122323600, 5101387776, 249872016384, 11265313555456, 518482372363264, 23679083944969216, 1087948930038793200, 49833394812336710000, 2.2894203462511013e+21, 1.0498923373826559e+23 ]
[ "nonn" ]
A083968
[ 11, 3, 7, 919, 101, 11, 12421, 131, 14341, 151, 16061, 17471, 181, 191, 30103, 313, 32323, 33533, 34543, 353, 36263, 373, 383, 39293, 70207, 71317, 727 ]
[ "dead" ]
A295439
[ 1, 18, 714, 32175, 1531530, 75167268, 3762157035, 190878381495, 9781950631050, 505159120481400, 26246321470970964, 1370400311694823000, 71844872838316070000, 3.779480916094796e+21, 1.994056489081722e+23, 1.054721155087282e+25, 5.5910354241000035e+26 ]
[ "nonn" ]
A267638
[ 2, 8, 18, 50, 98, 242, 450, 1058, 1922, 4418, 7938, 18050, 32258, 72962, 130050, 293378, 522242, 1176578, 2093058, 4712450, 8380418, 18862082, 33538050, 75472898, 134184962, 301940738, 536805378, 1207861250, 2147352578, 4831641602 ]
[ "nonn" ]
A006655
[ 11, 32, 87, 247, 716, 2155, 6694, 21461 ]
[ "nonn" ]
A366111
[ 1, 2, 4, 6, 3, 12, 8, 10, 5, 30, 15, 18, 9, 36, 20, 16, 14, 7, 56, 24, 21, 28, 26, 13, 182, 84, 35, 40, 32, 34, 17, 306, 102, 51, 42, 33, 22, 11, 132, 44, 46, 23, 552, 138, 69, 60, 45, 48, 39, 52, 50, 25, 150, ...
[ "nonn" ]
A261745
[ 1, 2, 0, 5, 4, 1, 5, 1, 5, 1, 4, 0, 2, 9, 8, 3, 1, 5, 4, 8, 3, 1, 4, 1, 1, 3, 7, 5, 7, 8, 4, 4, 8, 8, 0, 1, 2, 0, 7, 2, 7, 0, 4, 1, 9, 1, 8, 8, 2, 2, 4, 9, 5, 8, 1, 0, 9, 3, 2, 7, 1, 8, 2, 3...
[ "nonn", "cons", "easy" ]
A337090
[ 0, 0, 1, 1, 2, 3, 6, 11, 22, 43, 89, 183, 384, 812, 1738, 3742, 8125, 17735, 38941, 85898, 190328, 423320, 944933, 2115941, 4752138, 10701191, 24157460, 54658278, 123930534, 281546031, 640785749, 1460879893, 3335858947, 7628666743, 17470228499, 4...
[ "nonn" ]
A248502
[ 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 32, 34, 36, 38, 40, 42, 44, 46, 48, 51, 54, 57, 60, 63, 64, 66, 68, 70, 72, 74, 76, 78, 80, 85, 90, 95, 96, 98, 99, 100, 102, 104, 105, 106, 108, 110, 111, 112, 119...
[ "nonn", "base", "easy" ]
A293591
[ 1, 2, 3, 4, 5, 8, 18, 30, 95, 165, 805, 2738, 3038, 5953, 6009, 7205, 9631, 17495, 27745, 28449, 62278, 106516, 130825, 153664 ]
[ "nonn", "more", "hard" ]
A101101
[ 1, 5, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6...
[ "easy", "nonn", "uned" ]
A309614
[ 9, 1, 9, 8, 8, 1, 3, 3, 5, 8, 3, 9, 6, 0, 0, 9, 0, 6, 1, 9, 2, 8, 3, 4, 4, 7, 9, 1, 1, 5, 3, 2, 0, 1, 6, 9, 3, 2, 9, 2, 5, 9, 4, 0, 0, 4, 7, 9, 3, 2, 1, 0, 2, 1, 2, 7, 8, 7, 9, 2, 5, 1, 1, 5...
[ "nonn", "base" ]
A132546
[ 7, 58, 14467, 904936940, 2373426803546101000, 6.040957832513207e+36, 4.213563393984866e+73 ]
[ "frac", "nonn" ]
A226162
[ 0, 1, -1, 1, 1, 0, -1, 1, -1, 1, 0, -1, 1, -1, -1, 0, 1, -1, -1, -1, 0, 1, 1, 1, -1, 0, 1, 1, 1, 1, 0, -1, -1, -1, 1, 0, 1, -1, 1, -1, 0, 1, -1, 1, -1, 0, -1, 1, 1, 1, 0, -1, -1, -1, -1, 0, -1, -1, -1...
[ "sign", "mult" ]
A200756
[ 1, 2, 1, 4, 4, 1, 12, 12, 6, 1, 40, 40, 24, 8, 1, 144, 144, 92, 40, 10, 1, 544, 544, 360, 176, 60, 12, 1, 2128, 2128, 1440, 752, 300, 84, 14, 1, 8544, 8544, 5872, 3200, 1400, 472, 112, 16, 1, 35008, 35008, 24336, 13664, ...
[ "nonn", "tabl" ]
A045015
[ 5, 22, 23, 25, 29, 37, 53, 90, 91, 94, 95, 102, 103, 105, 109, 118, 119, 121, 125, 150, 151, 153, 157, 165, 181, 214, 215, 217, 221, 229, 245, 362, 363, 366, 367, 378, 379, 382, 383, 410, 411, 414, 415, 422, 423, 425, 429, ...
[ "nonn", "base" ]
A162557
[ 1, 5, 27, 151, 857, 4893, 28003, 160415, 919281, 5268853, 30200171, 173106279, 992248009, 5687602445, 32601595443, 186873931759, 1071170713313, 6140004593637, 35194817476027, 201738480090935, 1156375213539129, 6628401467130877, 37994333961038340, 217785452615605300 ]
[ "nonn" ]
A216339
[ 2, 3, 15, 42, 602, 2440, 61915, 322776, 12297978, 77360796, 4044784633, 29562890886, 2004648242718, 16604827619828, 1404640885455993, 12954736337254696, 1328741141974378200, 13465808369740333000 ]
[ "nonn" ]
A141408
[ 5, 13, 37, 41, 61, 73, 101, 157, 173, 193, 257, 277, 353, 373, 433, 457, 461, 541, 601, 613, 641, 653, 677, 733, 821, 853, 857, 877, 941, 977, 1033, 1117, 1181, 1217, 1297, 1301, 1321, 1361, 1433, 1453, 1481, 1553, 1613, 1621, 1...
[ "nonn" ]
A004281
[ 1, 2, 3, 4, 5, 7, 9, 11, 13, 15, 17, 19, 21, 23, 25, 27, 29, 31, 33, 35, 37, 39, 41, 43, 45, 47, 49, 51, 53, 55, 57, 59, 61, 63, 65, 67, 69, 71, 73, 75, 77, 79, 81, 83, 85, 87, 89, 91, 93, 95, 97, 99, 101, 103,...
[ "easy", "nonn" ]
A375247
[ 0, 1, 1, 1, 1, 1, 1, 1, -1, 3, 0, 8, 4, -5, 10, 1, -11, -13, -40, -19, -99, 33, -63, 91, 88, 148, -4, -805, 185, 613, -159, -3530, -2419, -5593, -4263, 6633, -553, -3187, -5923, -40742 ]
[ "sign", "more" ]
A042049
[ 1, 2, 5, 17, 22, 127, 149, 1617, 1766, 10447, 12213, 47086, 106385, 259856, 12059761, 24379378, 60818517, 206834929, 267653446, 1545102159, 1812755605, 19672658209, 21485413814, 127099727279, 148585141093, 572855150558, 1294295442209, 3161446034976 ]
[ "nonn", "frac", "easy" ]
A125539
[ 1, 8, 2902, 52127130, 45120225704486, 1.8884057179022017e+21, 3.8198250847232296e+30, 3.734532383945963e+41 ]
[ "nonn" ]
A057331
[ 2, 2, 2, 2, 2, 89, 1122659, 19099919, 85864769, 26089808579, 554688278429, 554688278429, 4090932431513069, 95405042230542340, 90616211958465840000, 810433818265726500000 ]
[ "nonn", "nice", "more" ]
A292223
[ 60, 180, 1050, 5040, 29244, 161340, 1046250, 4825800, 27790266, 145126548, 843333015, 4466836920, 26967624184, 137243187108, 789854179074, 4306147750200, 24711052977222, 134216193832908, 797987818325009, 4240082199867228 ]
[ "nonn" ]
A214348
[ 5, 65, 1951, 127813, 17790765, 5193620491, 3160001994563, 3995872591050989, 10489950826300197000, 5.716072400012709e+22 ]
[ "nonn" ]
A281070
[ 3, 9, 109, 1037, 91027, 1540981, 447810157, 147053171, 503445581741, 16337573574319, 88973047698967, 3588920671411951, 2314594755016142000, 20685050199210760000, 2.1606897148718898e+21, 1.2143571029513858e+23, 1.6427863327419203e+25 ]
[ "nonn", "frac" ]
A349764
[ 2, 410, 8627527, 199898912404 ]
[ "nonn", "hard", "bref", "more" ]
A319304
[ 7, 17, 31, 67, 89 ]
[ "nonn", "hard", "more" ]
A041126
[ 8, 17, 280, 577, 9512, 19601, 323128, 665857, 10976840, 22619537, 372889432, 768398401, 12667263848, 26102926097, 430314081400, 886731088897, 14618011503752, 30122754096401, 496582077046168, 1023286908188737, 16869172608065960, 34761632124320656 ]
[ "nonn", "cofr", "frac", "easy" ]
A370838
[ 1, 1, 1, 1, 0, -4, -14, -34, -64, -80, 16, 496, 1946, 5266, 10830, 14886, -884, -92564, -390404, -1113380, -2405649, -3529749, -360799, 20509101, 91770476, 271807476, 608858576, 941203576, 243522996, -4977842140, -23564569004, -72054072364, -1663140989...
[ "sign" ]
A260171
[ 74, 167, 419, 1001, 2500, 6344, 15847, 39584, 99741, 250297, 626433, 1572166, 3946872, 9894451, 24814854, 62266809, 156182193, 391707889, 982630798, 2464919670, 6182653471, 15508493498, 38902275855, 97581089767, 244769200723 ]
[ "nonn" ]
A151356
[ 1, 0, 1, 2, 8, 22, 101, 364, 1618, 6702, 30512, 135904, 634610, 2958340, 14147829, 67996988, 331941976, 1631261090, 8101797506, 40502662220, 204075069854, 1034325813080, 5274800747204, 27039112223056, 139308940725640, 720950926411856, 3747030865713930, 195503158...
[ "nonn", "walk" ]
A214813
[ 0, 1, 3, 6, 9, 12, 15, 18, 21 ]
[ "nonn", "more" ]
A254023
[ 35272, 98002, 313324, 1016249, 2822619, 8285305, 21891465, 45311405, 99511731, 212262805, 420311170, 809408485, 1499859218, 2686392762, 4785009455, 8471694767, 14942735625, 26383699968, 46574601827, 82391653961, 146657010999 ]
[ "nonn" ]
A269432
[ 6, 36, 216, 1281, 7536, 44021, 255576, 1475871, 8482276, 48543777, 276756312, 1572394697, 8905537932, 50293202487, 283276001872, 1591658418642, 8922925364502, 49917266140917, 278703080519352, 1553227427718978 ]
[ "nonn" ]
A013733
[ 9, 243, 6561, 177147, 4782969, 129140163, 3486784401, 94143178827, 2541865828329, 68630377364883, 1853020188851841, 50031545098999704, 1350851717672992000, 36472996377170790000, 984770902183611200000, 2.65888143589575e+22 ]
[ "nonn", "easy" ]
A038402
[ 1, 4, 9, 18, 31, 49, 72, 99, 130, 160, 198, 244, 285, 336, 393, 444, 509, 579, 641, 715, 799, 874, 956, 1056, 1145, 1236, 1347, 1446, 1551, 1675, 1785, 1903, 2038, 2160, 2289, 2436, 2572, 2712, 2870, 3016, 3170, 3343, 3497, 3663, ...
[ "nonn" ]
A320987
[ 0, 1, 5, 26, 655, 81901, 255941280, 99977062581901, 1.2204231272204738e+23, 5.819430957891816e+37, 3.387354639063016e+61 ]
[ "nonn" ]
A354433
[ 1, 1, 1, 4, 1, 6, 1, 8, 9, 10, 1, 2, 1, 14, 15, 16, 1, 3, 1, 5, 21, 22, 1, 3, 25, 26, 27, 14, 1, 30, 1, 32, 33, 34, 35, 36, 1, 38, 39, 20, 1, 42, 1, 22, 5, 46, 1, 4, 49, 25, 51, 13, 1, 18, 55, 2, 57, 58...
[ "nonn", "frac" ]
A011789
[ 1, 4, 22, 126, 748, 4532, 27853, 172965, 1082628, 6818768, 43163792, 274370868, 1750133503 ]
[ "nonn" ]
A140940
[ 1, 75582, 1057896060, 4783805983320, 9271015995674160, 9183250377581778000, 5.247874388850387e+21 ]
[ "nonn" ]
A204732
[ 544, 1624, 1624, 4772, 12744, 4772, 15688, 44726, 44726, 15688, 50920, 353626, 264998, 353626, 50920, 171860, 1425462, 2122560, 2122560, 1425462, 171860, 576738, 10332706, 14348560, 45026614, 14348560, 10332706, 576738, 1965706 ]
[ "nonn", "tabl" ]
A386733
[ 5, 6, 3, 8, 2, 7, 3, 2, 7, 6, 9, 5, 7, 7, 7, 4, 0, 0, 5, 9, 8, 2, 5, 6, 6, 5, 9, 5, 9, 3, 3, 4, 0, 5, 4, 1, 5, 4, 1, 5, 2, 5, 3, 1, 8, 1, 1, 7, 1, 1, 1, 2, 8, 9, 3, 7, 3, 5, 8, 0, 9, 0, 4, 3...
[ "nonn", "cons" ]
A046362
[ 4, 1345431, 12333321, 1425665241, 12026255262021, 35686666668653, 40181955918104, 128449444944821, 146426787624641, 651751101157156, 1734573883754371, 2313421221243132, 6858874224788586, 9889882002889888, 12446686768664420, 23265253035256230, 30153338083335104 ]
[ "nonn", "base" ]
A040993
[ 3, 5, 7, 11, 13, 19, 29, 37, 43, 53, 59, 61, 67, 73, 79, 83, 97, 101, 103, 107, 109, 131, 139, 149, 151, 157, 163, 173, 179, 181, 193, 197, 199, 211, 227, 229, 241, 251, 269, 271, 277, 283, 293, 307, 313, 317, 331, 337, ...
[ "nonn", "easy" ]
A187996
[ 1, 4, 5, 25, 64, 286, 1055, 5191, 24135, 122238, 626982, 3324754, 17890884, 98093994, 544680909, 3062711643, 17400096265, 99802843644, 577238731571, 3364142278629, 19740895907880, 116567717909224, 692260264168512, 4132754144726272, 24791787193993220 ]
[ "nonn" ]
A061688
[ 1, 1, 65, 48844, 209175233, 3464129078126, 173566857025139330, 2.220836623465058e+22, 6.409515697874503e+27, 3.7947297064238167e+33, 4.276126299841624e+39, 8.631647765438316e+45 ]
[ "nonn" ]
A071556
[ 8, 78, 1002, 17018, 323324, 7436430, 215656442, 6685349672, 247357937828, 10141675450908, 436092044389002, 20496326086283050, 1086305282573001500, 64092011671807090000, 3.9096127119802326e+21, 2.619440517026756e+23 ]
[ "easy", "nonn" ]
A262544
[ 1, 3, 6, 10, 15, 21, 28, 36, 45, 55, 63, 72, 79, 84, 87, 88, 117, 126, 135, 142, 147, 150, 151, 153, 156, 159, 162, 168, 177, 198, 207, 213, 216, 219, 222, 226, 231, 261, 264, 270, 279, 297, 318, 342, 369, 375, 426, 429, ...
[ "nonn" ]
A266864
[ 9, 1281, 328701, 104767812, 37478933496, 14445711101455, 5872334060687409, 2483169766664902000, 1.0823147142180763e+21 ]
[ "nonn" ]
A240628
[ 40, 16624, 7462748, 3367163455, 1519699081714, 685854075788477, 309535605539765300, 139697630796640340000, 6.304744892996478e+22, 2.8454174772679455e+25, 1.2841757682871156e+28, 5.79566062733285e+30, 2.6156607947248924e+33 ]
[ "nonn" ]
A130380
[ 1, 1, 1, 3, 7, 21, 66, 215, 715, 2431, 8398, 29393, 104006, 371450, 1337220, 4847423, 17678835, 64822395, 238819350, 883631595, 3282060210, 12233133510, 45741281820, 171529806825, 644952073662, 2430973200726, 9183676536076 ]
[ "nonn" ]
A241581
[ 1, 1, 8, 54, 584, 7350, 114162, 2053688, 42513984, 991883610, 25807006730, 740614555692, 23250961252752, 792694751381078, 29169262097277330, 1152329533163353700, 48645406703597450000, 2.185462919071085e+21, 1.0411384119794027e+23, 5.242449827954999e+24 ]
[ "nonn" ]
A064552
[ 1, 2, 2, 1, 1, 4, 14, 31, 43, 44, 38, 31, 45, 56, 94, 105, 95, 96, 106, 109, 111, 140, 142, 171, 173, 174, 202, 229, 253, 232, 206, 187, 223, 210, 296, 271, 291, 360, 366, 451, 461, 468, 470, 477, 477, 534, 564, 567, 575...
[ "nonn", "fini", "full" ]
A223025
[ 1, 2, 3, 1, 4, 2, 1, 5, 1, 3, 2, 1, 6, 2, 1, 4, 1, 3, 2, 1, 7, 1, 3, 2, 1, 5, 2, 1, 4, 1, 3, 2, 1, 8, 2, 1, 4, 1, 3, 2, 1, 6, 1, 3, 2, 1, 5, 2, 1, 4, 1, 3, 2, 1, 9, 1, 3, 2, 1, 5, 2, 1, 4, 1...
[ "nonn" ]
A074322
[ 0, 1, 1, 1, 0, 0, 1, 0, 0, 1, 1, 0, 0, 0, 0, 1, 1, 0, 0, 1, 1, 1, 1, 0, 1, 1 ]
[ "fini", "full", "nonn", "word" ]
A270570
[ 1, 16, 2, 16, 16, 52, 4, 52, 16, 52, 16, 40, 52, 160, 8, 52, 52, 88, 16, 64, 52, 160, 16, 88, 40, 9232, 52, 88, 160, 9232, 16, 100, 52, 160, 52, 112, 88, 304, 20, 9232, 64, 196, 52, 136, 160, 9232, 24, 148, 88, 232, ...
[ "nonn" ]
A135280
[ 4, 10, 20, 25, 34, 50, 52, 74, 85, 100, 130, 164, 170, 185, 202, 244, 250, 260, 289, 290, 325, 340, 370, 394, 410, 442, 452, 500, 505, 514, 580, 610, 629, 650, 676, 724, 725, 802, 820, 850, 884, 962, 970, 985, 1010, 1060, 11...
[ "easy", "nonn" ]
A371815
[ 1, 3, 20, 156, 1288, 10963, 95132, 836650, 7430956, 66501696, 598720080, 5416612336, 49201807276, 448442474938, 4099103160424, 37562606691526, 344959939645980, 3174051631201636, 29254814741949680, 270047153053464700, 2496167217049673000 ]
[ "nonn", "changed" ]
A261503
[ 1, 1, 10, 136, 2290, 42376, 834472, 17125354, 362345362, 7847250409, 173103115760, 3875837737520, 87857163416200, 2012268157890524, 46497242510288800, 1082614775186919200, 25374686712458408000, 598217593341171500000, 1.4176230568954211e+22 ]
[ "nonn" ]