id
stringlengths
7
11
seq
listlengths
1
347
keywords
listlengths
1
8
A374878
[ 4, 49, 1000, 28561, 1048576, 47045881, 2494357888, 152587890625, 10578455953408, 819628286980801, 70188843638032380, 6582952005840035000, 671088640000000000000, 7.3885357344138505e+22, 8.737103395697172e+24, 1.1044276742439207e+27 ]
[ "nonn", "easy" ]
A086083
[ 9513, 81816, 94143, 888216, 2491578, 49827156, 87127446, 617283945, 864197523, 987654312, 8564198223 ]
[ "more", "nonn", "base" ]
A284306
[ 1, 3, 5, 11, 17, 55, 69, 219, 257, 775, 1301, 2923, 4369, 14199, 21573, 60891, 98561, 165639, 496917, 981867, 1761553, 3057527, 6943813, 12443099, 28381441, 43480839, 132470037, 264239979, 507502865, 985638775, 1832809541, 2814074331, 8424378625, 164...
[ "nonn", "easy" ]
A321925
[ 1, 1, -1, 0, 1, 1, -1, 1, 0, 1, -2, 0, 0, 1, 1, 0, -1, 1, -1, 0, 1, 0, -1, 1, 0, -1, 1, -1, 2, 0, 0, 0, 1, -3, 0, 0, 0, 0, 1, 1, -1, 0, 0, 1, -1, 1, 0, 1, -1, 1, -1, 1, -2, 0, 0, 1, -1, -1, 2, -2, ...
[ "sign", "tabf" ]
A177816
[ 1, 17, 707489, 5030929, 6029713, 209372172193, 250938565921, 1413292053713, 1784415176081, 24025953593297, 48948914347889, 1423524187400657, 5817190224008753, 49446116858851550, 74262006382962980 ]
[ "nonn" ]
A292332
[ 1, 7, 203, 1379, 11977, 39991, 2359469, 4780447, 6521291, 6640739, 9904979, 28434413, 189117439, 282046373, 391803601, 941748059, 1308225583, 1677630367, 1951280863, 3524747261, 5601579361, 7033936399, 11157928901, 11580995069, 55563135481, 77185309397, 1146897518...
[ "nonn" ]
A136735
[ 2, 10, 21, 27, 10, 32, 65, 27, 28, 57, 42, 21, 99, 75, 16, 45, 10, 72, 248, 21, 221, 24, 10, 741, 32, 328, 35, 90, 28, 161, 196, 20, 14, 40, 795, 15, 32, 30, 609, 122, 488, 99, 18, 143, 55, 138, 460, 49, 219, 365, 11...
[ "nonn", "less" ]
A079214
[ 10, 1010, 1210, 101010, 101210, 121010, 121210, 123210, 10101010, 10101210, 10121010, 10121210, 10123210, 12101010, 12101210, 12121010, 12121210, 12123210, 12321010, 12321210, 12323210, 12343210, 1010101010, 1010101210 ]
[ "base", "nonn" ]
A114795
[ 0, 1, 0, 1, 1, 3, 3, 1, 0, 1, 6, 9, 2, 1, 6, 1, 4, 9, 0, 1, 12, 17, 4, 9, 21, 21, 0, 13, 11, 21, 20, 17, 6, 29, 1, 9, 8, 25, 36, 1, 0, 33, 41, 17, 36, 23, 26, 33, 34, 21, 30, 41, 38, 27, 6, 1, 36, 39, ...
[ "base", "nonn" ]
A166237
[ 4, 4, 1, 6, 1, 4, 7, 1, 1, 3, 1, 7, 5, 4, 2, 1, 4, 3, 4, 5, 3, 5, 3, 1, 1, 4, 2, 1, 1, 11, 5, 4, 3, 1, 3, 1, 6, 4, 1, 7, 1, 1, 2, 1, 9, 3, 1, 2, 5, 11, 1, 5, 2, 2, 7, 7, 1, 1, 2, 1, 3, 4, 1, ...
[ "nonn" ]
A308417
[ 1, 1, 3, 25, 145, 1461, 14011, 169933, 2231265, 32572585, 528302611, 9146070561, 174016032433, 3498446485405, 75954922790475, 1737982233878101, 42327522277348800, 1084073452000880000, 29253450397798617000, 827617575903336200000, 2.4503022168956715e+22 ]
[ "nonn" ]
A033028
[ 16, 32, 48, 64, 80, 96, 112, 128, 144, 160, 176, 192, 208, 224, 241, 482, 723, 964, 1205, 1446, 1687, 1928, 2169, 2410, 2651, 2892, 3133, 3374, 3600, 3616, 3632, 3648, 3664, 3680, 3696, 3712, 3728, 3744, 3760, 3776, 3792, 3808 ]
[ "nonn", "base" ]
A163974
[ 0, 1, 1, 0, 1, 0, 1, 0, 2, 0, 3, 0, 7, 0, 3, 3, 11, 1, 11, 2, 11, 3, 37, 0, 44, 18, 52, 24, 103, 50, 147, 52, 214, 170, 475, 229, 711, 375, 1116, 587, 2101, 542, 3009, 1940, 4870, 1680, 8961, 5923, 16712, 4190, 24098...
[ "nice", "nonn" ]
A317365
[ 0, 1, 0, -3, 16, -75, 336, -1295, 1632, 55881, -1124000, 16722981, -229985040, 3089923837, -41225160144, 545880027225, -7069180940864, 86130735547665, -882387869940288, 3847692639294541, 171852333163131600, -8392137456287473000, 276055495385982860000, -8.067943451470398...
[ "sign" ]
A154748
[ 0, 1, 1, 1, 4, 6, 1, 2, 2, 2, 1, 1, 6, 1, 179, 46, 1, 1, 3, 2, 1, 1, 3, 6, 3, 1, 1, 1, 1, 2, 1, 1, 56, 1, 1, 1, 1, 66, 1, 1, 2, 17, 8, 2, 7, 12, 1, 1, 8, 1, 2, 2, 1, 1, 2, 1, 12, 1, 2, 2, 2, 2, ...
[ "nonn", "cofr", "easy" ]
A076554
[ 11, 115, 5591, 502855, 73213571, 15658809595, 4619488631951, 1797261609272335, 891557677006596700, 549227657514325600000, 4.113527377262384e+23, 3.6810664060617165e+26 ]
[ "nonn" ]
A306876
[ 175742294, 6263852385, 16082297385, 18625120185, 32553626105, 38947446285, 37626449685, 41194817265, 103052922665, 87988279533, 103552755405, 126755126589, 131943742994, 192245655405, 226960409585, 181521732405, 502566224565, 399451768365, 403080683565, 461943100905 ]
[ "nonn" ]
A072385
[ 383, 443, 463, 787, 827, 887, 929, 1009, 1049, 1069, 1151, 1171, 1231, 1373, 1453, 1493, 1777, 30203, 30403, 31013, 32213, 32413, 32423, 33023, 33223, 34033, 34843, 35053, 36263, 36653, 37273, 37463, 37663, 38083, 38273, 38873, 39293, 39883 ]
[ "base", "nonn" ]
A165701
[ 2, 4, 5, 6, 10, 53, 76, 82, 88, 242, 247, 473, 586, 966, 1015, 1297, 1825, 2413, 2599, 2833, 5850, 5965, 6052, 27199, 49704, 79000 ]
[ "more", "nonn" ]
A213792
[ 1, 1, 3, 29, 3249, 4843626, 138198204339, 87098380004205120, 1.52522399939955e+24 ]
[ "nonn", "more" ]
A323521
[ 4, 6, 8, 9, 10, 12, 14, 15, 18, 20, 21, 22, 25, 26, 27, 28, 30, 32, 33, 34, 35, 38, 39, 42, 44, 45, 46, 48, 49, 50, 51, 52, 55, 57, 58, 62, 63, 64, 65, 66, 68, 69, 70, 72, 74, 75, 76, 77, 78, 80, 82, 85, 86, 87...
[ "nonn" ]
A006390
[ 1, 1, 2, 5, 14, 49, 240, 1259, 7570, 47996, 319518, 2199295, 15571610, 112773478, 832809504, 6253673323, 47650870538, 367784975116, 2871331929096, 22647192990256, 180277915464664, 1447060793168493, 11703567787559680, 95312765368320640, 781151020141584100 ]
[ "nonn" ]
A044074
[ 13, 29, 45, 52, 61, 77, 93, 109, 116, 125, 141, 157, 173, 180, 189, 205, 208, 237, 244, 253, 269, 285, 301, 308, 317, 333, 349, 365, 372, 381, 397, 413, 429, 436, 445, 461, 464, 493, 500, 509, 525, 541, 557, 564, 573, 589, 6...
[ "nonn", "base" ]
A222179
[ 15, 33, 88, 175, 1127, 3465, 7029, 36659, 1755164, 4900901, 537252430, 816292168, 1365815759, 2048921480, 11937573274, 14434878293, 17435497255, 27826547235, 169697066625, 371707331522, 405119159125, 800760189610, 23737435535625, 86561181062463, 100528900924040 ]
[ "nonn" ]
A232186
[ 0, 0, 1, 1, 2, 1, 1, 2, 3, 1, 1, 1, 2, 2, 3, 2, 2, 5, 1, 1, 3, 1, 5, 4, 2, 3, 3, 1, 2, 3, 2, 4, 6, 2, 3, 5, 2, 3, 3, 3, 2, 3, 4, 2, 4, 3, 2, 2, 3, 2, 6, 2, 3, 3, 5, 4, 4, 4, 5, 9, 1, 4, 7, 3...
[ "nonn" ]
A019402
[ 2, 11, 17, 19, 23, 29, 31, 37, 53, 61, 67, 83, 109, 113, 137, 149, 163, 167, 173, 179, 193, 197, 223, 229, 233, 239, 263, 293, 347, 353, 367, 373, 383, 401, 431, 439, 461, 467, 479, 499, 509, 521, 563, 571, 577, 599, 643, ...
[ "nonn" ]
A095374
[ 1, 1, 1, 2, 1, 1, 3, 1, 1, 3, 1, 2, 3, 1, 1, 3, 3, 1, 3, 1, 1, 5, 1, 2, 3, 1, 3, 3, 1, 1, 5, 3, 1, 3, 1, 1, 5, 3, 1, 4, 1, 3, 3, 1, 3, 3, 3, 1, 5, 1, 1, 7, 1, 1, 3, 1, 3, 5, 3, 2, 3, 3, 1, 3...
[ "nonn", "easy" ]
A198030
[ 1, 1, 25, 149, 2616, 297324, 20029669, 3450459535, 2116727009559 ]
[ "nonn" ]
A090126
[ 6, 30, 42, 66, 2730, 510, 798, 330, 138, 870, 14322, 1919190, 13530, 1806, 690, 282, 46410, 1590, 354, 56786730, 64722, 4686, 140100870, 3318, 230010, 498, 3404310, 61410, 272118, 1410, 4501770, 33330, 4326, 642, 209191710, 1518, 1671270, 177...
[ "nonn" ]
A206158
[ 1, 2, 10, 272, 24226, 12053252, 40086916024, 429254371605824, 23527609330364490000, 1.0714627376371224e+25, 1.696472929178242e+31, 1.0978353584317946e+38, 6.782057095273244e+45 ]
[ "nonn" ]
A152272
[ 0, 0, 15, 217, 2493, 27625, 293783, 3062853, 31597339, 323620623, 3298760889, 33507184632, 339449295349, 3431900910160 ]
[ "nonn", "base", "more" ]
A123936
[ 0, 0, 4, 0, 41, 372, 3189, 15544, 94844, 606556, 3341926, 18243164, 100641235, 541792652, 2853058729, 14909615644, 77215251362, 395393899688, 2007472847598, 10120652405244, 50668068245114, 252048156500636, 1246766824001246, 6135236528242698, 30045694433419664 ]
[ "nonn" ]
A283769
[ 2, 4, 6, 8, 13, 15, 17, 19, 21, 26, 28, 30, 32, 39, 41, 43, 45, 52, 54, 56, 58, 65, 67, 69, 71, 78, 80, 82, 84, 89, 91, 93, 95, 97, 102, 104, 106, 108, 110, 115, 117, 119, 121, 128, 130, 132, 134, 141, 143, 145, 147,...
[ "nonn", "easy" ]
A375813
[ 1, 3, 12, 60, 396, 3240, 30960, 335160, 4072320, 54976320, 815119200, 13152585600, 229441766400, 4303027048320, 86318858545920, 1843929831744000, 41786821607731200, 1001231951502182400, 25288602517469490000, 671488122628741000000 ]
[ "nonn" ]
A348583
[ 1, 60, 728, 6960, 60512, 97152, 728000, 1900080, 2184000, 4371840, 26522496, 843480000, 23009688000, 46352390400, 93155148800, 279465446400, 701869363200, 938948846080, 1099176108032, 2816846538240 ]
[ "nonn", "more" ]
A232391
[ 12, 18, 18, 78, 64, 78, 190, 192, 192, 190, 670, 840, 1192, 840, 670, 1954, 3246, 4646, 4646, 3246, 1954, 6224, 12818, 24848, 28752, 24848, 12818, 6224, 19178, 51240, 120264, 178352, 178352, 120264, 51240, 19178, 60114, 203104, 589172, 11...
[ "nonn", "tabl" ]
A200347
[ 1, 4, 2, 6, 6, 3, 5, 1, 0, 9, 9, 3, 3, 0, 4, 3, 8, 0, 9, 0, 1, 4, 9, 2, 5, 7, 1, 1, 4, 9, 6, 1, 0, 4, 3, 4, 4, 2, 4, 9, 7, 2, 8, 1, 7, 6, 8, 0, 7, 7, 5, 4, 0, 6, 1, 2, 7, 6, 8, 6, 2, 5, 9, 1...
[ "nonn", "cons" ]
A058135
[ 1, 2, 4, 13, 54, 322, 2545 ]
[ "nonn", "more" ]
A029767
[ 0, 1, 3, 14, 90, 744, 7560, 91440, 1285200, 20603520, 371226240, 7428153600, 163459296000, 3923502105600, 102017281766400, 2856571067750400, 85698439706880000, 2742370993410048000, 93240969463369730000, 3.356681303055016e+21, 1.27554011161191e+23 ]
[ "nonn", "easy" ]
A183369
[ 1, 4, 6, 49, 195, 3969, 285516, 22743361, 3414837564, 1467194393284, 1549197261403648, 3156509484479021600, 1.1694530363878787e+22, 9.18537759389165e+25 ]
[ "nonn" ]
A322755
[ 3, 17, 41, 373, 823, 3565, 7625, 129293, 272171, 1139735, 2376047, 19743201, 40890483, 168947957, 348259369, 11464229693, 23547218611, 96587303059, 197831583443, 1618881562939, 3308327420393, 13508555185547, 27554570432479, 449278087454089 ]
[ "nonn", "frac" ]
A210943
[ 1, 2, 1, 3, 1, 1, 2, 1, 1, 1, 4, 2, 1, 1, 1, 3, 1, 1, 1, 1, 1, 5, 2, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 4, 2, 1, 1, 1, 1, 1, 1, 1, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 6, 3, 1, 1, 1, 1, 1, 1, 1...
[ "nonn", "tabl" ]
A041010
[ 2, 3, 14, 17, 82, 99, 478, 577, 2786, 3363, 16238, 19601, 94642, 114243, 551614, 665857, 3215042, 3880899, 18738638, 22619537, 109216786, 131836323, 636562078, 768398401, 3710155682, 4478554083, 21624372014, 26102926097, 126036076402, 152139002499 ]
[ "nonn", "cofr", "frac", "easy", "changed" ]
A037952
[ 0, 1, 1, 3, 4, 10, 15, 35, 56, 126, 210, 462, 792, 1716, 3003, 6435, 11440, 24310, 43758, 92378, 167960, 352716, 646646, 1352078, 2496144, 5200300, 9657700, 20058300, 37442160, 77558760, 145422675, 300540195, 565722720, 1166803110, 2203961430, 45...
[ "nonn", "easy", "changed" ]
A156252
[ 43, 53, 71, 97, 131, 173, 223, 281, 347, 421, 503, 593, 691, 797, 911, 1033, 1163, 1301, 1447, 1601, 1933, 2111, 2297, 2693, 2903, 3121, 3347, 3581, 3823, 4073, 4597, 4871, 5153, 5443, 5741, 6047, 6361, 7013, 7351, 8783, 9161, 9547, ...
[ "nonn", "easy" ]
A002439
[ 1, 23, 1681, 257543, 67637281, 27138236663, 15442193173681, 11828536957233384, 11735529528739492000, 1.4639678925928298e+22, 2.2427641105413133e+25, 4.139394992681905e+28, 9.059221444788649e+31, 2.31969423543895e+35 ]
[ "nonn", "easy", "nice" ]
A171855
[ 1, 2, 3, 5, 7, 1, 10, 2, 1, 15, 3, 2, 1, 22, 6, 3, 2, 1, 32, 11, 6, 3, 2, 1, 47, 18, 12, 6, 3, 2, 1, 69, 30, 20, 13, 6, 3, 2, 1, 101, 50, 34, 22, 14, 6, 3, 2, 1, 148, 81, 59, 38, 24, 15, 6, 3, 2, 1, 2...
[ "nonn", "tabf" ]
A289734
[ 13, 197, 613, 13404133, 24663654373, 3.7455569511954514e+22, 4.481406313097394e+32, 3.879499323927671e+37 ]
[ "nonn" ]
A040567
[ 24, 3, 48, 3, 48, 3, 48, 3, 48, 3, 48, 3, 48, 3, 48, 3, 48, 3, 48, 3, 48, 3, 48, 3, 48, 3, 48, 3, 48, 3, 48, 3, 48, 3, 48, 3, 48, 3, 48, 3, 48, 3, 48, 3, 48, 3, 48, 3, 48, 3, 48, 3, 48, 3, 48, 3, 48, 3,...
[ "nonn", "cofr", "easy", "less" ]
A044025
[ 39, 93, 139, 193, 239, 293, 339, 399, 439, 493, 539, 593, 639, 693, 739, 793, 839, 893, 939, 993, 1039, 1093, 1139, 1193, 1239, 1293, 1339, 1399, 1439, 1493, 1539, 1593, 1639, 1693, 1739, 1793, 1839, 1893, 1939, 1993, 2039 ]
[ "nonn", "base" ]
A061352
[ 1, 2, 6, 7, 5, 6, 8, 9, 5, 6, 6, 7, 1, 2, 0, 1, 3, 4, 0, 1, 1, 2, 6, 7, 5, 6, 8, 9, 5, 6, 6, 7, 1, 2, 0, 1, 3, 4, 0, 1, 1, 2, 6, 7, 5, 6, 8, 9, 5, 6, 6, 7, 1, 2, 0, 1, 3, 4, 0, 1, 1, 2, 6, 7...
[ "nonn", "easy" ]
A166879
[ 1, 1, 9, 473, 166969, 371186249, 5020831641761, 407273265807001100, 1.965734133177303e+23, 5.6176950357182274e+29, 9.474113076734769e+36, 9.40665572280219e+44 ]
[ "nonn" ]
A194220
[ 0, 0, 1, 1, 1, 2, 3, 3, 3, 3, 4, 4, 4, 5, 6, 6, 6, 6, 7, 7, 7, 8, 9, 9, 9, 9, 10, 10, 10, 11, 12, 12, 12, 12, 13, 13, 13, 14, 15, 15, 15, 15, 16, 16, 16, 17, 18, 18, 18, 18, 19, 19, 19, 20, 21, 21, 21, ...
[ "nonn", "easy" ]
A028069
[ 1, 28, 510, 7700, 104951, 1344168, 16531180, 197743000, 2319239901, 26813094308, 306681461450, 3479254697100, 39224238812851, 440041610610448, 4917647821351320, 54788913249014000, 608931512071655800 ]
[ "nonn", "easy" ]
A075520
[ 10, 15, 21, 31, 47, 53, 69, 79, 95, 117, 127, 149, 165, 175, 191, 213, 239, 245, 271, 287, 293, 319, 335, 357, 389, 405, 415, 431, 437, 453, 511, 527, 549, 559, 597, 607, 629, 655, 671, 693, 719, 725, 767, 773, 789, 799, 847...
[ "nonn" ]
A370858
[ 1, 2, 3, 4, 7, 8, 15, 24, 43, 56, 111, 132, 263, 420, 723, 1040, 2079, 2472, 4943, 7448, 13091, 19236, 38471, 45884, 86119, 138024, 248459, 359142, 718283, 764160, 1528319, 2605756, 4858899, 7109964, 13809075, 16009784, 32019567, 52524888, ...
[ "nonn" ]
A329069
[ 1, -1, 0, -1, 2, -2, 1, -2, 4, -3, 2, -4, 7, -6, 4, -8, 12, -10, 9, -14, 20, -18, 16, -24, 32, -29, 27, -38, 49, -46, 43, -59, 74, -71, 69, -90, 112, -107, 106, -136, 164, -160, 159, -199, 238, -232, 234, -288, 338, -3...
[ "sign" ]
A301232
[ 1, 4, 12, 24, 38, 61, 91, 121, 154, 194, 244, 297, 346, 405, 473, 550, 616, 705, 777, 860, 966, 1081, 1181, 1253, 1380, 1502, 1643, 1773, 1882, 2027, 2159, 2331, 2482, 2635, 2774, 2917, 3141, 3319, 3496, 3649, 3840, 4072, 4264, 44...
[ "nonn" ]
A020158
[ 49, 91, 133, 217, 247, 341, 403, 469, 493, 589, 637, 703, 871, 899, 901, 931, 1273, 1519, 1537, 1729, 2059, 2077, 2821, 3097, 3277, 3283, 3367, 3577, 4081, 4097, 4123, 5729, 6031, 6061, 6097, 6409, 6601, 6817, 7657, 8023, 8029, 8401, ...
[ "nonn" ]
A142007
[ 3, 127, 251, 313, 499, 809, 1181, 1367, 1429, 1553, 1801, 1987, 2111, 2297, 2731, 2917, 3041, 3413, 3847, 4157, 4219, 4591, 5087, 5273, 5521, 6079, 6203, 6389, 6451, 6637, 6761, 6823, 6947, 7691, 7753, 7877, 8311, 8807, 9241, 9551, 9613...
[ "nonn", "easy" ]
A145219
[ 1, 0, 0, 8, 15, 144, 910, 7440, 66717, 667520, 7342236, 88107480, 1145396395, 16035550608, 240533257770, 3848532125984, 65425046139705, 1177650830517120, 22375365779822390, 447507315596451260, 9397653627525472000, 206748379805560400000, 4.755212735527889e+21 ]
[ "nonn" ]
A302899
[ 272, 3407, 46348, 556952, 6847224, 84889638, 1085246904, 14322115212, 195951082944, 2781436057021, 40985527637668, 626827892111140, 9945795998932920, 163614736611741300, 2788498384849238500, 49195762917367005000, 897689701635240200000, 1.6927557342294929e+22 ]
[ "nonn" ]
A128375
[ 919, 929, 90709, 91019, 93139, 93239, 93739, 94049, 94349, 94649, 94849, 94949, 95959, 96269, 96469, 96769, 97379, 97579, 97879, 98389, 98689, 9002009, 9015109, 9024209, 9037309, 9042409, 9043409, 9045409, 9046409, 9049409, 9067609, 9073709, 9076709, ...
[ "nonn", "base", "less" ]
A162256
[ 2, 15, 45, 98, 180, 297, 455, 660, 918, 1235, 1617, 2070, 2600, 3213, 3915, 4712, 5610, 6615, 7733, 8970, 10332, 11825, 13455, 15228, 17150, 19227, 21465, 23870, 26448, 29205, 32147, 35280, 38610, 42143, 45885, 49842, 54020, 58425, 63063, ...
[ "nonn", "easy" ]
A088153
[ 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 2, 8, 0, 1, 7, 4, 2, 6, 1, 6, 7, 7, 9, 6, 7, 2, 3, 5, 2, 9, 3, 9, 7, 1, 9, 7, 7, 4, 9, 6, 2, 2, 8, 1, 5, 4, 3, 0, 7, 5, 4, 7, 5, 9, 1, 2, 5, 3, 5, 6, 9, 4, 0...
[ "nonn", "base" ]
A261734
[ 1, -1, 0, -1, 2, -2, 1, -2, 4, -4, 3, -4, 8, -8, 6, -9, 14, -14, 12, -16, 24, -25, 22, -28, 40, -42, 38, -48, 65, -68, 64, -78, 102, -108, 104, -124, 159, -168, 164, -194, 242, -256, 254, -296, 362, -385, 386, -444, 536,...
[ "sign" ]
A286313
[ 19, 31, 43, 61, 73, 79, 127, 157, 163, 229, 271, 349, 373, 379, 433, 439, 499, 607, 643, 673, 733, 751, 937, 967, 1009, 1093, 1213, 1279, 1291, 1429, 1489, 1543, 1549, 1597, 1609, 1657, 1777, 1861, 1987, 2131, 2203, 2287, 2341, 23...
[ "nonn" ]
A227962
[ 0, 1, 0, 3, 1, 2, 0, 7, 3, 5, 1, 6, 2, 4, 0, 15, 7, 12, 3, 13, 5, 9, 1, 14, 6, 10, 11, 2, 4, 8, 0, 31, 15, 26, 7, 28, 12, 20, 3, 29, 13, 22, 23, 5, 9, 17, 1, 30, 14, 24, 25, 6, 27, 10, 11, 18, 19, 2, ...
[ "nonn", "tabf" ]
A089728
[ 2, 5, 13, 13, 31, 31, 71, 73, 73, 71, 199, 157, 157, 211, 211, 337, 199, 419 ]
[ "nonn", "dead" ]
A350107
[ 1, 6, 14, 31, 45, 81, 101, 150, 191, 253, 285, 401, 439, 527, 623, 752, 802, 979, 1035, 1233, 1369, 1509, 1577, 1901, 2020, 2186, 2362, 2642, 2728, 3136, 3228, 3549, 3765, 3983, 4215, 4772, 4882, 5126, 5382, 5932, 6054, 6630, 6758, ...
[ "nonn" ]
A089489
[ 2, 3, 8, 5, 6, 11, 8, 13, 10, 13, 14, 13, 20, 15, 22, 19, 18, 23, 20, 23, 26, 23, 30, 25, 26, 31, 32, 33, 30, 31, 44, 33, 40, 35, 36, 49, 40, 45, 40, 43, 44, 43, 48, 49, 52, 49, 48, 53, 74, 51, 56, 57, 58, 59, ...
[ "nonn" ]
A285538
[ 1, 1, 2, 0, 6, 0, 12, 0, 30, 0, 48, 0, 120, 0, 200, 36, 472, 66, 796, 228, 1818, 258, 3256, 900, 7204, 1098, 12944, 3594, 28864, 4378, 51488, 14852, 116272, 16646, 208232, 57480, 460880, 70020, 824376, 239936, 1861188, 264496, 33317...
[ "nonn", "easy" ]
A107698
[ 11, 2, 3, 41, 5, 23, 7, 181, 19, 251, 0, 43, 0, 127, 53, 281, 0, 29, 0, 541, 37, 0, 0, 83, 11551, 0, 139, 47, 0, 523, 0, 1481, 0, 0, 157, 149, 0, 0, 0, 12451, 0, 67, 0, 0, 59, 0, 0, 283, 11177, 2551, 0, 0, 0, 2...
[ "base", "nonn" ]
A032335
[ 1, 1, 1, 1, 4, 17, 129, 866, 9075, 88698, 1112175, 14313330, 220011636, 3431683284, 62269608609, 1163234669730, 24101988742305, 523745594548440, 12344106261015652, 303786221723300900 ]
[ "nonn", "eigen" ]
A251533
[ 1, 3, 6, 7, 7, 9, 15, 18, 21, 21, 27, 31, 37, 42, 44, 49, 56, 63, 70 ]
[ "nonn", "more" ]
A071615
[ 7, 17, 15, 19, 5, 43, 1, 19, 5, 17, 7, 167, 1, 11, 3, 19, 1, 67, 1, 17, 17, 7, 5, 211, 1, 7, 11, 13, 3, 139, 1, 31, 9, 1, 5, 109, 1, 1, 3, 85, 3, 61, 1, 11, 1, 7, 1, 211, 1, 11, 5, 7, 3, 31, 5, 31, 1, 1...
[ "nonn" ]
A232465
[ 0, 1, 0, 1, 1, 0, 2, 1, 3, 1, 3, 1, 3, 1, 3, 4, 5, 2, 5, 2, 5, 5, 4, 5, 4, 5, 6, 8, 2, 8, 9, 11, 4, 6, 1, 3, 6, 8, 8, 7, 3, 11, 9, 8, 8, 9, 12, 8, 10, 10, 10, 8, 6, 3, 8, 11, 13, 14, 13, 15, 8, ...
[ "nonn" ]
A032610
[ 16, 27, 38, 49, 510, 611, 712, 813, 914, 1015, 1116, 1217, 1318, 1419, 1520, 1621, 1722, 1823, 1924, 2025, 2126, 2227, 2328, 2429, 2530, 2631, 2732, 2833, 2934, 3035, 3136, 3237, 3338, 3439, 3540, 3641, 3742, 3843, 3944, 4045, 4146, 4...
[ "nonn", "base" ]
A152000
[ 2, 6, 10, 30, 34, 42, 78, 102, 110, 114, 170, 210, 222, 330, 390, 410, 438, 510, 514, 546, 570, 582, 654, 714, 798, 930, 978, 1010, 1110, 1158, 1218, 1230, 1326, 1482, 1542, 1554, 1806, 1830, 1870, 1938, 2190, 2310, 2510, 2530 ]
[ "easy", "nonn" ]
A283169
[ 1, -13, 65, -126, -117, 988, -1377, -1157, 5382, -4419, -4212, 12519, -11179, -5058, 27378, -23005, -16488, 44343, -30249, -18513, 73710, -56259, -38741, 93483, -69570, -23778, 137266, -90396, -74079, 140292, -108621, -39249, 222624, -145710, -9923...
[ "sign" ]
A215918
[ 1, 2, 6, 11, 16, 17, 32, 37, 46, 51, 76, 102, 137, 142, 146, 181, 216, 237, 241, 247, 277, 282, 297, 311, 312, 332, 347, 356, 396, 447, 451, 466, 527, 542, 576, 577, 641, 692, 752, 797, 871, 902, 906, 941, 942, 956, 1091, ...
[ "nonn", "easy" ]
A134183
[ 0, 1, 16, 768, 131072, 83886080, 206158430208, 1970324836974592, 73786976294838210000, 1.0880332376531663e+25, 6.338253001141147e+30 ]
[ "easy", "nonn" ]
A050379
[ 1, 1, 1, 2, 1, 2, 1, 3, 2, 2, 1, 5, 1, 2, 2, 6, 1, 5, 1, 5, 2, 2, 1, 10, 2, 2, 3, 5, 1, 6, 1, 10, 2, 2, 2, 14, 1, 2, 2, 10, 1, 6, 1, 5, 5, 2, 1, 22, 2, 5, 2, 5, 1, 10, 2, 10, 2, 2, 1, 18, 1, 2, ...
[ "nonn" ]
A326490
[ 1, 2, 3, 5, 7, 12, 18, 31, 46, 72, 102, 172, 259, 428, 607, 989, 1329, 2142, 3117, 4953, 6956, 11032, 15321, 23979, 33380, 48699, 66849, 104853, 144712, 220758, 304133, 461580, 636556, 973843, 1316513, 1958828, 2585433, 3882843, 5237093, ...
[ "nonn" ]
A030292
[ 0, 1, 2, 3, 4, 7, 10, 11, 20, 100, 200, 1000, 2000, 10000, 20000, 100000, 200000, 1000000, 2000000, 10000000, 20000000, 100000000, 200000000, 1000000000, 2000000000, 10000000000, 20000000000 ]
[ "nonn", "base", "nice" ]
A329024
[ 1, 12, 588, 49440, 5187980, 597027312, 71962945824, 8923789535232, 1128795397492620, 144940851928720830, 18832163401980527000, 2.4704514027669894e+21, 3.266674497258355e+23, 4.348559943352703e+25, 5.821983056232777e+27 ]
[ "nonn" ]
A387729
[ 416, 780, 810, 1312, 1512, 2754, 3192, 4194, 4212, 5460, 6516, 6800, 8586, 12012, 12618, 13200, 14640, 18234, 18792, 21060, 21200, 24138, 24180, 24400, 27600, 28008, 28728, 31428, 31914, 32580, 33696, 35082, 38800, 40740, 43300, 46332, 46872, ...
[ "nonn" ]
A082520
[ 2, 3, 5, 191, 19391, 38183, 1508051, 1609061, 1628261, 3717173, 3916193, 161535161, 161838161, 170646071, 172747271, 182949281, 190909091, 352909253, 354848453, 360818063, 364636463, 15052625051, 15150805151, 15253635251 ]
[ "base", "nonn" ]
A243309
[ 1, 0, 0, 7, 4, 3, 4, 7, 5, 6, 8, 8, 4, 2, 7, 9, 3, 7, 6, 0, 9, 8, 2, 5, 3, 5, 9, 5, 2, 3, 1, 0, 9, 9, 1, 4, 1, 9, 2, 5, 6, 9, 0, 1, 1, 4, 1, 1, 3, 6, 6, 9, 7, 7, 0, 2, 3, 4, 9, 6, 3, 7, 9, 8...
[ "nonn", "cons", "easy" ]
A291725
[ 2, 3, 6, 11, 18, 30, 50, 81, 130, 208, 330, 520, 816, 1275, 1984, 3077, 4758, 7337, 11286, 17322, 26532, 40563, 61908, 94336, 143540, 218112, 331008, 501749, 759726, 1149159, 1736534, 2621751, 3954826, 5960902, 8977686, 13511461, 20320854, 30...
[ "nonn", "easy" ]
A308539
[ 1, 2, 4, 8, 16, 3, 6, 12, 5, 10, 7, 14, 9, 18, 11, 13, 15, 17, 19, 20, 22, 24, 26, 28, 30, 21, 32, 27, 34, 33, 36, 39, 42, 40, 44, 48, 52, 25, 38, 45, 56, 35, 51, 50, 55, 60, 54, 65, 66, 72, 49, 64, 78, 63, 8...
[ "nonn", "base" ]
A218001
[ 1, 1, 3, 10, 39, 161, 699, 3135, 14425, 67694, 322777, 1559285, 7615406, 37539265, 186525154, 933239667, 4697671339, 23773865938, 120889679621, 617355432767, 3164858856181, 16281289560860, 84023792421928, 434886620261755, 2256867537647996, 11740881181554030 ]
[ "nonn" ]
A134297
[ 0, 107, 214, 321, 428, 535, 642, 749, 856, 963, 1070, 1177, 1284, 1391, 1498, 1605, 1712, 1819, 1926, 2033, 2140, 2247, 2354, 2461, 2568, 2675, 2782, 2889, 2996, 3103, 3210, 3317, 3424, 3531, 3638, 3745, 3852, 3959, 4066, 4173, 4280, ...
[ "nonn", "easy", "changed" ]
A284965
[ 0, 0, 0, 0, 0, 1, 0, 2, 0, 2, 0, 3, 0, 3, 0, 4, 0, 4, 0, 5, 0, 5, 0, 6, 0, 6, 0, 7, 0, 7, 0, 8, 0, 8, 0, 9, 0, 9, 0, 10, 0, 10, 0, 11, 0, 11, 0, 12, 0, 12, 0, 13, 0, 13, 0, 14, 0, 14, 0, 15, 0, ...
[ "nonn" ]
A067738
[ 1, 2, 3, 7, 22, 32, 49, 52, 66, 70, 93, 94, 97, 98, 115, 119, 121, 127, 169, 170, 196, 214, 241, 242, 256, 265, 337, 343, 364, 441, 450, 513, 529, 567, 577, 578, 597, 679, 723, 784, 800, 841, 967, 1058, 1225, 1249, 1369, 1...
[ "easy", "nonn" ]
A256919
[ 0, 8, 6, 6, 6, 2, 9, 7, 6, 2, 6, 5, 7, 0, 9, 4, 1, 2, 9, 3, 2, 9, 7, 4, 6, 0, 2, 6, 2, 4, 9, 9, 9, 7, 5, 4, 7, 7, 7, 1, 7, 1, 8, 6, 6, 7, 9, 8, 0, 9, 1, 6, 6, 7, 2, 1, 2, 4, 6, 8, 7, 5, 7, 8...
[ "nonn", "cons", "easy" ]
A380164
[ 1, 1, 1, 2, 1, 1, 1, 1, 6, 1, 1, 2, 1, 1, 1, 8, 1, 6, 1, 2, 1, 1, 1, 1, 20, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 12, 1, 1, 1, 1, 1, 1, 1, 2, 6, 1, 1, 8, 42, 20, 1, 2, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 6,...
[ "nonn", "easy", "mult" ]
A234292
[ 1, 1, 7, 103, 2365, 74305, 2970415, 144324775, 8259853525, 544284565825, 40589062689175, 3379489549611175, 310764664533047740, 31280478682100675000, 3.4208650441918975e+21, 4.038974811322127e+23, 5.1205807000808635e+25, 6.937963969329514e+27 ]
[ "nonn" ]
A200906
[ 0, 1, 2, 4, 5, 21, 44, 64, 244, 268, 2415 ]
[ "nonn" ]
A255658
[ 10320, 33042, 112196, 385738, 1324872, 4542671, 15269184, 50963540, 171784096, 583245999, 1978627688, 6707590534, 22709921860, 76722468914, 259180579024, 877068284264, 2969801621944, 10051964251804, 34016225117956 ]
[ "nonn" ]