id
stringlengths
7
11
seq
listlengths
1
347
keywords
listlengths
1
8
A362230
[ 2, 6, 10, 14, 30, 42, 66, 78, 102, 114, 138, 210, 222, 330, 390, 462, 510, 570, 690, 714, 798, 870, 930, 966, 1110, 1230, 1290, 1302, 1410, 1470, 1590, 1770, 2310, 2730, 3570, 3990, 4290, 4830, 5610, 6090, 6510, 6630, 7770, 8610, 9030, 9870, 10230, 11130, 11310 ]
[ "nonn" ]
A357842
[ 2, 27, 18, 72, 612, 1764, 756, 8100, 27000, 97200, 66528, 175500, 93600, 280800, 1731600, 661500, 680400, 3704400, 34177500, 11107800, 16581600, 20065500, 108486000, 102910500, 108353700, 181912500, 314874000, 462672000, 4408236000, 229975200, 2297786400, 672348600, 925041600, 1344697200, 158230800 ]
[ "nonn" ]
A268564
[ 0, 1, 16, 555, 27155, 1624602, 110848296, 8306916404, 667683029392 ]
[ "nonn", "more" ]
A031482
[ 1, 2, 3, 4, 5, 8, 9, 10, 11, 12, 15, 16, 17, 18, 19, 22, 23, 24, 25, 26, 29, 30, 31, 32, 33, 36, 37, 38, 39, 40, 42, 55, 57, 58, 59, 60, 61, 64, 65, 66, 67, 68, 71, 72, 73, 74, 75, 78, 79, 80, 81, 82, 85, 86, 87, 88, 89, 91, 104, 106, 107, 108 ]
[ "nonn", "base" ]
A330428
[ 5, 211, 38501, 413353, 10938023, 142414669, 163710121, 8835528511, 31587561361, 343834606051, 1480975873513, 26923643849953 ]
[ "nonn", "more", "hard" ]
A013150
[ 1, 4, 48, 1344, 71680, 6134144, 766639104, 132845576192, 30189756186624, 8791995173601280, 3164834039610835000, 1.3910755162778637e+21, 7.275935055750517e+23, 4.498459638818338e+26 ]
[ "nonn" ]
A168021
[ 1, 2, 1, 3, 0, 1, 5, 2, 0, 1, 7, 0, 0, 0, 1, 11, 3, 2, 0, 0, 1, 15, 0, 0, 0, 0, 0, 1, 22, 5, 0, 2, 0, 0, 0, 1, 30, 0, 3, 0, 0, 0, 0, 0, 1, 42, 7, 0, 0, 2, 0, 0, 0, 0, 1, 56, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 77, 11, 5, 3, 0, 2, 0, 0, 0, 0, 0, 1 ]
[ "easy", "nonn", "tabl" ]
A121248
[ 0, 1, 2, 6, 9, 10, 32, 36, 55 ]
[ "nonn", "hard", "more" ]
A124703
[ 1, 10, 28, 64, 168, 440, 1186, 3230, 8896, 24688, 68958, 193610, 545958, 1545190, 4387012, 12489224, 35639536, 101914160, 291970654, 837834650, 2407780858, 6928681418, 19961961014, 57573920446, 166216938550, 480300958390 ]
[ "nonn", "base" ]
A293128
[ 1, 1, 6, 51, 588, 7990, 126060, 2242618, 44546320, 977152266, 23500234512, 615372604033, 17442275104496, 532242021137346, 17399782340548920, 606732491690590800, 22477989291826848000, 881635273413199800000, 3.6493478646922005e+22, 1.5896425627478808e+24 ]
[ "nonn" ]
A133483
[ 1, 4, 6, 7, 10, 11, 13, 16 ]
[ "nonn", "fini", "full" ]
A173791
[ 1, 518, 15960915, 4828311488700, 6893870205562754000, 3.297852968905453e+25, 4.285435604972554e+32, 1.3079873402738506e+40, 8.419904888725077e+47 ]
[ "nonn" ]
A046472
[ 3, 5, 7, 313, 7284717174827, 3.907145050916662e+26 ]
[ "nonn", "hard", "base" ]
A200277
[ 8, 1, 7, 7, 1, 5, 2, 1, 8, 7, 9, 2, 3, 0, 4, 5, 4, 5, 1, 1, 1, 9, 1, 4, 5, 4, 2, 0, 8, 3, 6, 5, 7, 7, 7, 1, 5, 3, 9, 3, 9, 1, 6, 5, 1, 3, 2, 7, 1, 2, 0, 1, 5, 3, 7, 2, 7, 9, 0, 7, 5, 0, 9, 9, 8, 6, 2, 4, 1, 4, 4, 1, 9, 7, 2, 7, 4, 5, 8, 0, 2, 7, 4, 7, 1, 3, 8, 1, 9, 8, 3, 6, 2, 7, 8, 7, 2, 9, 0 ]
[ "nonn", "cons" ]
A162537
[ 1, 2, 3, 8, 5, 42, 7, 8, 9, 10, 11, 672, 13, 14, 15, 32, 17, 522, 19, 40, 21, 682, 23, 672, 25, 130, 27, 56, 29, 2730, 31, 32, 33, 34, 35, 8352, 37, 190, 195, 40, 41, 42, 43, 2728, 45, 46, 47, 672, 49, 650, 51, 520, 53, 702, 55, 56, 171, 58, 59, 174720, 61, 62, 189, 128, 195, 8382, 67, 136, 207, 910, 71, 8352, 73, 3626, 75 ]
[ "base", "nonn" ]
A126820
[ 1, 1000, 252, 576, 734, 96, 664, 512, 21, 816, 84, 768, 822, 448, 648, 0, 946, 520, 556, 896, 416, 32, 328, 0, 423, 752, 408, 512, 102, 832, 352, 0, 688, 848, 976, 832, 318, 992, 296, 0, 890, 256, 692, 256, 54, 320, 784, 0, 425, 88, 824, 384, 878, 448, 216, 0, 848, 624 ]
[ "nonn" ]
A249923
[ 1, 1, -1, -12, 45, 1920, -12285, -812160, 7372665, 675993600, -7946069625, -929719296000, 13417865324325, 1910208017203200, -32683269859651124, -5481709463273472000, 108469408821131840000, 2.0943691553556136e+22, -4.7050603373932455e+23, -1.0278047436188518e+26 ]
[ "sign" ]
A066015
[ 1, 1, 1, 2, 2, 3, 4, 6, 11, 16, 19, 19, 66, 35, 28 ]
[ "nonn" ]
A298551
[ 1, 31, 16, 74, 341, 1073, 3822, 13570, 48112, 176011, 641370, 2325905, 8461341, 30798091, 112003232, 407659528, 1483951993, 5401187825, 19661302093, 71571646991, 260532678466, 948411515463, 3452495337512, 12568090865542 ]
[ "nonn" ]
A168317
[ 1, 1, 1, 3, 6, 16, 39, 103, 263, 690, 1791, 4693, 12247, 32073, 83869, 219598, 574658, 1504540, 3938272, 10310703, 26992036, 70666516, 185002819, 484344843, 1268019438, 3319721050, 8691111639, 22753633693, 59569705507, 155955534688, 408296678959, 1068934637918, 2798506659973 ]
[ "eigen", "nonn" ]
A001319
[ 1, 0, 1, 0, 1, 1, 1, 1, 1, 1, 3, 1, 3, 1, 3, 3, 3, 3, 3, 3, 7, 3, 7, 3, 7, 7, 7, 7, 7, 7, 13, 7, 13, 7, 13, 13, 13, 13, 13, 13, 22, 13, 22, 13, 22, 22, 22, 22, 22, 22, 35, 22, 35, 22, 35, 35, 35, 35, 35, 35, 53, 35, 53, 35, 53, 53, 53, 53, 53, 53, 77, 53, 77 ]
[ "nonn" ]
A066952
[ 1, 2, 4, 16, 100, 324 ]
[ "nonn", "more" ]
A390061
[ 1, 1, 5, 67, 1089, 23821, 660733, 22101255, 867449537, 39103934041, 1991308574421, 113069588251819, 7083758583603265, 485414045651482560, 36117783340391256000, 2.8999688188093216e+21, 2.4992400206438743e+23, 2.3011587096024264e+25, 2.2544368729593575e+27 ]
[ "nonn" ]
A113866
[ 2, 7, 71, 73, 811, 821, 823, 883, 937, 947, 953, 977, 983, 997, 1031, 1033, 1051, 1063, 1093, 1103, 1153, 1171, 1181, 1193, 1231, 1277, 1279, 1289, 1291, 1297, 1303, 1321, 1381, 1427, 1429, 1439, 1451, 1453, 1471, 1481, 1483, 29599, 29641, 29683, 29717 ]
[ "nonn", "look" ]
A225646
[ 1, 1, 2, 6, 12, 30, 30, 84, 120, 180, 210, 330, 420, 780, 630, 840, 1680, 3570, 1386, 7980, 1980, 4620, 6930, 19320, 9240, 23100, 30030, 41580, 16380, 73080, 10920, 143220, 110880, 120120, 157080, 120120, 180180, 512820, 311220, 240240, 360360, 1231230, 180180 ]
[ "nonn" ]
A027078
[ 1, 0, 2, 8, 31, 130, 590, 2798, 13541, 66724, 332708, 1673536, 8479367, 43218034, 221383712, 1138976166, 5882112985, 30479772624, 158413903096, 825556260636, 4312814257059, 22580855859166, 118468635595680, 622698941708890 ]
[ "nonn" ]
A192925
[ 0, 1, 3, 11, 51, 281, 1808, 13333, 111041, 1031758, 10588015, 118985914, 1453708722, 19189390169, 272212629009, 4130239145929, 66751752077187, 1144920631189237, 20772556460037150, 397492611715916300, 8000930139415927000 ]
[ "nonn" ]
A356479
[ 1, 6, 4, 5, 9, 0, 2, 5, 1, 5, 2, 2, 5, 3, 9, 6, 1, 1, 9, 3, 5, 4, 4, 1, 1, 8, 8, 1, 5, 6, 6, 3, 2, 7, 6, 4, 1, 6, 1, 9, 2, 2, 3, 1, 0, 6, 5, 4, 6, 3, 8, 3, 3, 1, 3, 5, 7, 7, 9, 6, 6, 4, 5, 2, 6, 8, 1, 7, 4, 3, 1, 1, 1, 5, 8, 6, 4, 4, 2, 2, 1, 3, 4, 8, 7, 1, 0, 3, 8, 6, 2, 9, 1, 8, 9, 7, 4, 8, 9, 4, 8, 9, 0, 6, 5, 7 ]
[ "nonn", "cons" ]
A157038
[ 1, -5, -69, 2035, 51405, -2775125, -104577849, 7978599715, 400699571385, -39343884028325, -2469782830970829, 296424181972320600, 22329252451340140000, -3.1672680393750023e+21, -2.7835044297613142e+23, 4.555657056603106e+25, 4.575620971597071e+27 ]
[ "sign", "frac" ]
A061327
[ 1031, 1489, 1871, 3001, 4391, 5641, 6581, 8011, 12541, 12671, 12973, 17209, 17449, 18911, 21319, 21649, 22441, 24001, 24469, 24841, 28751, 31849, 35803, 38281, 38569, 38861, 40429, 40751, 41467, 42409, 43609, 45289, 50587, 51169, 53161 ]
[ "nonn" ]
A179915
[ 1373, 3137, 3797, 5237, 6173, 11173, 11311, 11353, 11719, 11731, 11971, 12113, 12239, 12347, 12377, 12953, 12973, 13127, 13177, 13217, 13537, 13597, 13679, 13709, 13711, 13723, 13729, 13751, 13757, 13759, 13799, 13967, 13997, 15137 ]
[ "base", "nonn" ]
A041876
[ 21, 43, 193, 622, 815, 2252, 23335, 48922, 72257, 265693, 1135029, 2535751, 107636571, 217808893, 978872143, 3154425322, 4133297465, 11421020252, 118343499985, 248108020222, 366451520207, 1347462580843 ]
[ "nonn", "cofr", "frac", "easy", "less" ]
A177528
[ 1, 1, 2, 6, 24, 120, 685, 4550, 34440, 292320, 2746800, 28402925, 320224500, 3909695400, 51396618000, 723952593000, 10876269801125, 173607227828250, 2934111079914750, 52343975053683000, 982945842995115000, 19381240178451775000, 400347201716808450000 ]
[ "nonn" ]
A270743
[ 1, 1, 2, 1, 2, 4, 1, 3, 6, 1, 4, 8, 1, 5, 10, 1, 6, 12, 1, 7, 14, 1, 8, 16, 1, 9, 18, 1, 10, 20, 1, 11, 22, 1, 12, 24, 1, 13, 26, 1, 14, 28, 1, 15, 30, 1, 16, 32, 1, 17, 34, 1, 18, 36, 1, 19, 38, 1, 20, 40, 1, 21, 42, 1, 22, 44, 1, 23, 46, 1, 24, 48, 1, 25 ]
[ "nonn", "easy" ]
A381431
[ 1, 2, 3, 4, 5, 5, 7, 8, 9, 7, 11, 10, 13, 11, 11, 16, 17, 15, 19, 14, 13, 13, 23, 20, 25, 17, 27, 22, 29, 13, 31, 32, 17, 19, 17, 25, 37, 23, 19, 28, 41, 17, 43, 26, 33, 29, 47, 40, 49, 35, 23, 34, 53, 45, 19, 44, 29, 31, 59, 26, 61, 37, 39, 64, 23, 19, 67, 38 ]
[ "nonn" ]
A183143
[ 0, 1, 2, 4, 6, 9, 13, 17, 22, 27, 33, 39, 46, 54, 62, 71, 80, 90, 100, 111, 123, 135, 148, 161, 175, 190, 205, 221, 237, 254, 271, 289, 308, 327, 347, 367, 388, 409, 431, 454, 477, 501, 525, 550, 575, 601, 628, 655, 683, 711, 740, 770, 800, 831 ]
[ "nonn" ]
A218710
[ 0, 4, 38, 1985, 27493, 390112, 390112, 96940388, 3379649772, 24306922095, 450044583893, 5597937117454, 28673959190179, 3524407382568745, 13428985415474682, 13428985415474682, 5711417117604156000, 91610966633729570000, 6.709533061724423e+21 ]
[ "nonn" ]
A340174
[ 2792, 140114, 5366288, 183405386, 5953824632, 188681559554, 5911452093728, 184194287464826, 5724142958302472, 177660449252559800, 5510655708296434000, 170878064308411400000, 5.297936128237165e+21, 1.6424676251636554e+23, 5.091810779768637e+24 ]
[ "easy", "nonn" ]
A028526
[ 1, 0, 255, 221, 4216, 4114, 35666, 37536, 221085, 244545, 1112803, 1278196, 4849046, 5728337, 18897557, 22823928, 67443437, 82879982, 223825825, 278900776, 698899427, 880590786, 2071022977, 2632885030, 5864089905, 7508811906, 15951383169, 20543782345 ]
[ "nonn", "easy" ]
A193219
[ 1, -2, 8, -16, 18, -32, 112, -192, 0, 62, 1840, -3312, -8320, 16480, 71840, -137280, -522174, 1011392, 4107960, -7945008, -32457600, 62909120, 261338416, -506930112, -2129035776, 4133297534, 17531850576, -34058050240, -145663683072, 283125653280, 1219649036576, -2371704375168, -10281070960128, 20000146662464, 87178011852896 ]
[ "sign" ]
A256179
[ 2, 3, 4, 8, 9, 16, 27, 81, 256, 512, 6561, 19683, 65536, 43046721, 134217728, 7625597484987, 2.4178516392292583e+24, 4.434264882430378e+38, 1.157920892373162e+77 ]
[ "nonn" ]
A240404
[ 7, 77, 1381, 13648, 257243, 3366314, 43820839, 766539340, 9754760605, 139442821024, 2170660872648, 28425049610123, 428335838522441, 6234809732594859, 85273887883266130, 1280632016847475500 ]
[ "nonn" ]
A188174
[ 1, 2, 8, 43, 252, 1636, 11322, 81805, 610358, 4672836, 36525052, 290399543, 2342043630, 19118822650, 157709971144, 1312796873451, 11015236989702, 93078467831012, 791462018168032, 6767910089071288, 58167781282121260 ]
[ "nonn" ]
A257094
[ 1, 1, 3, 3, 0, 0, 3, 0, 9, 6, 3, 1, 9, 3, 4, 6, 3, 4, 7, 4, 7, 8, 3, 3, 9, 1, 1, 1, 2, 0, 8, 6, 4, 7, 5, 0, 0, 9, 3, 5, 9, 8, 9, 9, 0, 0, 9, 0, 0, 0, 2, 0, 4, 5, 8, 5, 7, 2, 9, 3, 0, 6, 2, 4, 8, 6, 5, 5, 9, 9, 7, 6, 3, 6, 0, 5, 8, 5, 2, 8, 5, 0, 5, 0, 5, 7, 3, 7, 5, 4, 2, 7, 2, 6, 0, 5, 7, 5, 9, 3, 8, 6 ]
[ "nonn", "cons", "easy" ]
A199496
[ 367806, 939787, 952764389446, 12438517260105, 35495694227489, 5853886516781223, 23415546067124892, 38115991067861270, 322001299796379840, 9870884617163518000, 42532374580189960000, 51698891432429710000, 601724682280310400000 ]
[ "nonn", "hard" ]
A230787
[ 0, 0, 0, 0, 6, 0, 0, 86, 86, 0, 0, 820, 3332, 820, 0, 0, 8154, 117372, 117372, 8154, 0, 0, 82576, 4321988, 14875702, 4321988, 82576, 0, 0, 833986, 159055144, 1986882996, 1986882996, 159055144, 833986, 0, 0, 8417644, 5846988064, 265749521034 ]
[ "nonn", "tabl" ]
A130490
[ 0, 1, 3, 6, 10, 15, 21, 28, 36, 45, 55, 66, 66, 67, 69, 72, 76, 81, 87, 94, 102, 111, 121, 132, 132, 133, 135, 138, 142, 147, 153, 160, 168, 177, 187, 198, 198, 199, 201, 204, 208, 213, 219, 226, 234, 243, 253, 264, 264, 265, 267, 270, 274, 279, 285, 292, 300 ]
[ "nonn" ]
A377371
[ 1, -3, 0, 4, -9, -3, -4, 4, 13, 23, -34, -22, 9, 23, 38, 54, -71, -53, 34, 54, 75, 97, -120, -96, -71, -45, -18, 10, -39, -9, -22, 10, 43, 77, 112, 148, -185, -147, -108, -68, 27, 69, -112, -68, -23, 23, -70, -22, 27, 77, 128, 180, -233, -179, -124, -68, -11 ]
[ "sign", "easy" ]
A362449
[ 0, 0, 0, 4, 3, 6, 6, 3, 13, 22, 35, 32, 36, 89, 158, 342, 586, 913, 1490, 2365, 3884, 5940, 8629, 12386, 17637, 26311 ]
[ "nonn", "word", "more", "fini" ]
A237574
[ 256, 1876, 1876, 13924, 24332, 13924, 103264, 315664, 315664, 103264, 769680, 4146324, 7379204, 4146324, 769680, 5705156, 54395184, 173478980, 173478980, 54395184, 5705156, 42501300, 712810024, 4093774632, 7415425124, 4093774632 ]
[ "nonn", "tabl" ]
A069677
[ 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, 97, 127, 223, 227, 229, 421, 521, 523, 727, 821, 823, 827, 829, 929, 1223, 1229, 2221, 3221, 3229, 4229, 5227, 6221, 6229, 7229, 8221, 9221, 9227, 12227, 22229, 42221 ]
[ "nonn", "base" ]
A068917
[ 1, 31, 73, 8191, 5749691557, 3324754717, 22076500342261, 925118910976041400000, 8089941578146657000, 2.119448932604122e+25, 3.342730069684121e+33, 4.204720064739945e+33 ]
[ "easy", "frac", "nonn" ]
A235964
[ 256, 16744, 872370, 77914322, 13646551852, 4295779203418, 2687792393159216, 3200041068440355000 ]
[ "nonn" ]
A084509
[ 1, 1, 2, 6, 24, 96, 384, 1536, 6144, 24576, 98304, 393216, 1572864, 6291456, 25165824, 100663296, 402653184, 1610612736, 6442450944, 25769803776, 103079215104, 412316860416, 1649267441664, 6597069766656, 26388279066624, 105553116266496, 422212465065984 ]
[ "nonn", "easy" ]
A202132
[ 1, 123, 1857, 135315, 3767643, 227460779, 8550543057, 461409633685, 19953260512267, 1020672385339045, 47169124107393740, 2357295503312610000, 112529204189556110000, 5.573350513364442e+21, 2.7050931855450264e+23 ]
[ "nonn" ]
A277459
[ 102, 387, 433, 436, 527, 656, 882, 1108, 1181, 1531, 1546, 1555, 1667, 1797, 1822, 1823, 1913, 1991, 2009, 2074, 2083, 2151, 2311, 2353, 2370, 2615, 2626, 2646, 2671, 3202, 3232, 3256, 3278, 3293, 3371, 3413, 3511, 3599, 3634, 3904, 3929, 3934, 4123, 4152 ]
[ "nonn" ]
A381205
[ 0, 2, 2, 1, 2, 3, 2, 2, 2, 3, 2, 3, 2, 3, 3, 2, 2, 3, 2, 3, 3, 3, 2, 3, 2, 3, 1, 3, 2, 4, 2, 2, 3, 3, 3, 2, 2, 3, 3, 4, 2, 4, 2, 3, 4, 3, 2, 4, 2, 3, 3, 3, 2, 3, 3, 4, 3, 3, 2, 4, 2, 3, 4, 2, 3, 4, 2, 3, 3, 4, 2, 2, 2, 3, 4, 3, 3, 4, 2, 4, 2, 3, 2, 4, 3, 3, 3, 4, 2, 4 ]
[ "nonn", "easy" ]
A170402
[ 1, 9, 72, 576, 4608, 36864, 294912, 2359296, 18874368, 150994944, 1207959552, 9663676416, 77309411328, 618475290624, 4947802324992, 39582418599936, 316659348799488, 2533274790395904, 20266198323167230, 162129586585337860 ]
[ "nonn" ]
A237939
[ 437, 5519, 70435, 946063, 12909207, 178348911, 2478121687, 34547541807, 482441897847, 6743242294207, 94297236738151, 1318980922040111, 18451660550452440, 258144363280637730, 3611650688217169000 ]
[ "nonn" ]
A149885
[ 1, 2, 5, 14, 44, 151, 535, 1966, 7405, 28505, 111788, 445140, 1795088, 7320770, 30148959, 125206603, 523997043, 2207912732, 9359648685, 39898730194, 170940133097, 735708995287, 3179865260996, 13797390440690, 60080114591020, 262490678495536, 1150372266528940, 5055989555564113 ]
[ "nonn", "walk" ]
A061436
[ 2, 2, 1, 4, 4, 3, 3, 3, 2, 6, 6, 5, 6, 6, 5, 5, 5, 4, 5, 5, 4, 5, 5, 4, 4, 4, 3, 8, 8, 7, 8, 8, 7, 7, 7, 6, 8, 8, 7, 8, 8, 7, 7, 7, 6, 7, 7, 6, 7, 7, 6, 6, 6, 5, 7, 7, 6, 7, 7, 6, 6, 6, 5, 7, 7, 6, 7, 7, 6, 6, 6, 5, 6, 6, 5, 6, 6, 5, 5, 5, 4, 10, 10, 9, 10, 10, 9, 9, 9, 8, 10, 10, 9, 10, 10, 9, 9, 9, 8, 9, 9 ]
[ "easy", "nonn" ]
A018839
[ 1, 8, 32, 88, 192, 304, 372, 416, 472, 540, 608, 676, 744, 812, 880, 948, 1016, 1084, 1152, 1220, 1288, 1356, 1424, 1492, 1560, 1628, 1696, 1764, 1832, 1900, 1968, 2036, 2104, 2172, 2240, 2308, 2376, 2444, 2512, 2580, 2648, 2716, 2784, 2852, 2920, 2988 ]
[ "nonn", "easy" ]
A337306
[ 2, 37, 557, 647, 9803, 192583, 698653, 150287, 34449209, 136017109, 191058199, 618408991, 564779279, 40434774727, 52195951979, 149416079731, 598718776379, 802636910771 ]
[ "nonn", "base", "more" ]
A079498
[ 0, 5, 7, 11, 13, 15, 19, 21, 26, 29, 31, 33, 37, 39, 44, 45, 50, 52, 55, 57, 62, 63, 68, 70, 74, 76, 78, 83, 85, 87, 91, 93, 98, 99, 104, 106, 109, 111, 116, 117, 122, 124, 128, 130, 132, 135, 140, 142, 146, 148, 150, 154, 156, 161, 163, 165, 170, 171, 176, 178, 182, 184 ]
[ "base", "easy", "nonn" ]
A193210
[ 1, 1, 3, 24, 393, 11043, 473041, 28601334, 2315263942, 241478700774, 31517159612387, 5030510468876181, 963773726037574400, 218238081089074430000, 5.7654070089428435e+22, 1.7573072391553388e+25, 6.120849041684564e+27 ]
[ "nonn" ]
A213909
[ 0, 2, 40, 6, 30, 46, 234, 14, 276, 40, 212, 58, 100, 248, 562, 30, 178, 294, 424, 60, 126, 234, 516, 82, 538, 126, 81178, 276, 366, 592, 80910, 62, 688, 212, 446, 330, 444, 462, 1894, 100, 81096, 168, 1090, 278, 416, 562, 80816, 130, 666, 588, 926, 178, 340 ]
[ "nonn" ]
A320401
[ 64, 4105, 94842, 2908839, 83509525, 2392115850, 69104597430, 1987324601389, 57271367516963, 1649293396078122, 47501690934943190, 1368095396558548500, 39401919356219064000, 1.1348091252307603e+21, 3.2683331680225836e+22 ]
[ "nonn" ]
A334765
[ 0, 41, 68, 131, 132, 368, 384, 528, 1095, 1098, 1100, 1106, 1112, 1122, 1124, 1152, 1176, 1346, 1824, 2561, 3282, 3284, 3336, 3344, 3392, 3524, 4098, 4101, 4104, 4112, 4118, 4128, 4172, 4352, 4496, 4739, 4740, 5504, 6224, 9856, 9857, 9869, 9896, 9923, 9924 ]
[ "base", "nonn" ]
A011235
[ 1, 1, 9, 3, 5, 1, 2, 8, 3, 7, 1, 6, 9, 6, 2, 0, 2, 5, 0, 8, 1, 7, 6, 2, 7, 5, 5, 4, 0, 3, 5, 8, 5, 8, 6, 9, 2, 3, 7, 4, 8, 0, 9, 3, 2, 4, 8, 4, 6, 6, 1, 4, 5, 5, 8, 1, 6, 2, 2, 4, 5, 1, 8, 6, 6, 9, 4, 7, 8, 4, 0, 6, 3, 0, 7, 1, 0, 1, 6, 2, 4, 9, 1, 6, 1, 8, 0, 8, 9, 5, 3, 1, 1, 7, 3, 4, 6, 6, 3 ]
[ "nonn", "cons", "easy" ]
A373023
[ 3, 0, 5, 0, 1, 8, 0, 0, 8, 0, 5, 4, 6, 3, 8, 9, 9, 2, 3, 6, 5, 8, 0, 1, 1, 0, 7, 4, 2, 9, 0, 9, 1, 0, 7, 1, 4, 5, 8, 5, 0, 7, 4, 5, 9, 4, 7, 1, 0, 8, 3, 3, 9, 7, 3, 0, 8, 6, 1, 3, 0, 8, 5, 7, 7, 7, 4, 3, 6, 8, 2, 9, 4, 4, 1, 9, 7, 7, 5, 6, 1, 8, 4, 3, 5, 2 ]
[ "nonn", "cons" ]
A050696
[ 12, 15, 20, 22, 24, 25, 26, 28, 30, 32, 33, 35, 36, 39, 42, 45, 50, 52, 55, 62, 63, 65, 70, 72, 75, 77, 82, 85, 92, 93, 95, 102, 105, 110, 112, 115, 120, 122, 123, 124, 125, 126, 128, 130, 132, 135, 138, 142, 145, 147, 150, 152, 153, 155, 162, 165, 170, 172, 175 ]
[ "nonn", "base" ]
A379342
[ 1, 5, 2, 4, 3, 6, 14, 7, 12, 9, 11, 10, 13, 8, 15, 27, 16, 25, 18, 23, 20, 22, 21, 24, 19, 26, 17, 28, 44, 29, 42, 31, 40, 33, 38, 35, 37, 36, 39, 34, 41, 32, 43, 30, 45, 65, 46, 63, 48, 61, 50, 59, 52, 57, 54, 56, 55, 58, 53, 60, 51, 62, 49, 64, 47, 66 ]
[ "nonn", "tabf" ]
A050932
[ 1, 1, 2, 1, 6, 1, 6, 1, 10, 1, 6, 1, 210, 1, 2, 1, 30, 1, 42, 1, 110, 1, 6, 1, 546, 1, 2, 1, 30, 1, 462, 1, 170, 1, 6, 1, 51870, 1, 2, 1, 330, 1, 42, 1, 46, 1, 6, 1, 6630, 1, 22, 1, 30, 1, 798, 1, 290, 1, 6, 1, 930930, 1, 2, 1, 102, 1, 966, 1, 10, 1, 66, 1, 1919190 ]
[ "nonn", "frac", "nice", "easy" ]
A173265
[ 1, 1, 1, 1, 2, 1, 1, 2, 3, 1, 1, 2, 6, 4, 1, 1, 2, 9, 10, 5, 1, 1, 2, 12, 20, 15, 6, 1, 1, 2, 15, 34, 35, 21, 7, 1, 1, 2, 18, 52, 70, 56, 28, 8, 1, 1, 2, 21, 74, 125, 126, 84, 36, 9, 1, 1, 2, 24, 100, 205, 252, 210, 120, 45, 10, 1, 1, 2, 27, 130, 315, 461, 462, 330, 165, 55, 11, 1 ]
[ "nonn", "easy", "tabl" ]
A241024
[ 40, 105, 252, 495, 1001, 1872, 2992, 4199, 6992, 9775, 13775, 20677, 28675, 43993, 54653, 74777, 94423, 111671, 146969, 176351, 216611, 280663, 316163, 386389, 454329, 490779, 583573, 699273, 813151, 925867, 1069037, 1177963, 1268651, 1463011, 1675003, 1879981 ]
[ "nonn" ]
A158800
[ 1, -1, 0, 1, 1, 0, -2, 0, 1, 1, 0, -4, 0, 6, 0, -4, 0, 1, 1, 0, -8, 0, 28, 0, -56, 0, 70, 0, -56, 0, 28, 0, -8, 0, 1, 1, 0, -16, 0, 120, 0, -560, 0, 1820, 0, -4368, 0, 8008, 0, -11440, 0, 12870, 0, -11440, 0, 8008, 0, -4368, 0, 1820, 0, -560, 0, 120, 0, -16, 0, 1, 1, 0, -32, 0, 1 ]
[ "sign", "tabf", "uned" ]
A081716
[ 2, 11, 103, 1033, 10247, 102359, 1023487, 10234759, 102345979, 1023475969 ]
[ "nonn", "fini", "full", "base" ]
A257939
[ 0, 2, 116, 798, 37512, 257114, 12078908, 82790070, 3889371024, 26658145586, 1252365390980, 8583840088782, 403257766524696, 2763969850442378, 129847748455561300, 889989708002357100, 41810571744924210000, 286573922006908530000, 1.346287425411714e+22 ]
[ "nonn", "easy" ]
A200745
[ 1, 0, 0, 0, 0, 1, 0, 2, 1, 2, 2, 6, 1, 9, 5, 6, 5, 20, 4, 28, 7, 19, 24, 55, 6, 51, 45, 49, 27, 136, 16, 180, 50, 117, 143, 146, 28, 403, 242, 260, 68, 668, 91, 852, 246, 260, 649, 1370, 90, 1191, 493, 1110, 634, 2701, 386, 1635, 462, 2160, 2486, 5154, 167 ]
[ "nonn" ]
A175453
[ 1, 2, 2, 3, 3, 3, 2, 3, 4, 4, 4, 4, 4, 3, 3, 4, 4, 5, 5, 5, 5, 5, 4, 4, 5, 5, 5, 4, 4, 4, 3, 4, 5, 5, 5, 6, 6, 6, 5, 5, 6, 6, 6, 6, 6, 5, 5, 5, 5, 6, 6, 6, 6, 6, 5, 4, 5, 5, 5, 5, 5, 4, 3, 4, 5, 6, 6, 6, 6, 6, 5, 6, 7, 7, 7, 7, 7, 6, 6, 6, 6, 7, 7, 7, 7, 7, 6, 6, 7, 7, 7, 6, 6, 6, 5, 5, 6, 6, 6, 7, 7, 7, 6, 6 ]
[ "base", "nonn", "easy" ]
A082747
[ 2, 4, 6, 4, 60, 280, 60, 210, 306, 154, 154, 538, 1272, 640, 4180, 6384, 12816, 2020, 10918, 9694, 45420, 47506, 11680, 1408 ]
[ "nonn", "hard", "more" ]
A329271
[ 1, 5, 6, 10, 16, 24, 25, 30, 36, 40, 50, 51, 60, 70, 76, 90, 92, 100, 125, 176, 195, 240, 249, 250, 363, 375, 376, 430, 490, 500, 501, 510, 546, 556, 560, 568, 570, 600, 620, 624, 625, 648, 680, 730, 749, 750, 760, 810, 875, 909, 930, 972, 975, 976, 990, 999, 1000, 1001, 1010, 1636, 1680, 1930, 2354, 2400, 2490, 2500, 2510, 2512, 2943, 3000 ]
[ "nonn", "base" ]
A271956
[ 1, 4, 6, 10, 35, 112, 149, 390, 424, 566, 660, 664, 850, 1414, 1436, 1497, 1524, 1904, 5116, 6625, 10944, 12637, 35691, 92304 ]
[ "nonn", "more" ]
A336308
[ 4, 9, 0, 8, 7, 3, 8, 5, 2, 1, 2, 3, 4, 0, 5, 1, 9, 3, 5, 0, 9, 7, 8, 8, 0, 2, 8, 6, 3, 7, 4, 2, 2, 3, 2, 5, 6, 5, 5, 8, 0, 7, 7, 1, 8, 6, 5, 2, 3, 6, 0, 2, 8, 4, 5, 2, 7, 3, 3, 5, 0, 9, 2, 5, 4, 8, 0, 9, 6, 3, 1, 3, 4, 8, 2, 2, 2, 0, 1, 5, 6, 0, 3, 5, 6, 3, 0 ]
[ "nonn", "cons" ]
A328139
[ 1, 1, 2, 4, 11, 29, 80, 222, 622, 1758, 5000, 14296, 41049, 118281, 341852, 990570, 2876821, 8371453, 24403371, 71248708, 208311036, 609812089, 1787215592, 5243371099, 15397785369, 45257023128, 133126287754, 391890954915, 1154427358177, 3402881326012 ]
[ "nonn", "walk" ]
A042874
[ 31, 218, 249, 965, 3144, 4109, 7253, 11362, 29977, 41339, 71316, 112655, 409281, 1340498, 1749779, 13588951, 844264741, 5923442138, 6767706879, 26226562775, 85447395204, 111673957979, 197121353183 ]
[ "nonn", "cofr", "frac", "easy" ]
A060426
[ 1, 0, 1, 1, 1, 1, 1, 2, 1, 2, 2, 3, 2, 3, 4, 4, 5, 5, 4, 6, 8, 8, 6, 7, 10, 11, 11, 15, 15, 16, 18, 21, 22, 23, 29, 33, 31, 31, 39, 43, 44, 52, 51, 58, 64, 71, 66, 82, 88, 96, 93, 103, 115, 128, 143, 150, 156, 160, 173, 199, 202, 202, 242, 263, 269, 293, 308 ]
[ "nonn" ]
A381207
[ 1, 3, 12, 69, 504, 4335, 43200, 490161, 6220032, 87242427, 1340305920, 22375475133, 403237638144, 7801208775399, 161245892161536, 3545854432602345, 82653484859228160, 2035605515838402300, 52814589875313570000, 1.4398141368668513e+21, 4.114578621398064e+22 ]
[ "nonn" ]
A023318
[ 1319, 2699, 4259, 4919, 5689, 8669, 10159, 10529, 29819, 33119, 82339, 86689, 98669, 174079, 177949, 196739, 207869, 210599, 222499, 231809, 253369, 267299, 275699, 323699, 362459, 371639, 378179, 388529, 397799, 402529, 421079, 448859, 468499 ]
[ "nonn" ]
A388465
[ 4, 3, 7, 5, 9, 6, 6, 1, 1, 1, 5, 9, 7, 4, 5, 2, 3, 8, 6, 2, 8, 3, 6, 3, 3, 8, 4, 7, 6, 0, 0, 3, 0, 2, 6, 4, 4, 1, 2, 1, 2, 6, 7, 5, 8, 2, 9, 0, 7, 0, 9, 7, 1, 9, 4, 8, 9, 2, 6, 5, 3, 3, 8, 7, 7, 8, 5, 2, 0, 1, 7, 6, 8, 5, 7, 6, 5, 4, 2, 3, 4, 2, 5, 6, 1, 7, 2 ]
[ "nonn", "cons" ]
A060792
[ 0, 1, 6643, 1422773, 5415589, 90396755477, 381920985378904450, 1.922624336133019e+21, 2.004595370006816e+24, 8.022581057533824e+30, 3.926296215822226e+35, 3.2456836304775204e+37, 4.280273360715972e+38 ]
[ "nonn", "base", "hard", "nice" ]
A281033
[ 0, 1048, 31700, 146606, 722952, 3042556, 12164474, 46511454, 172759149, 628675456, 2254017339, 7988988368, 28056053572, 97767659494, 338498139062, 1165614974008, 3995250761421, 13639469138120, 46401641163562 ]
[ "nonn" ]
A299117
[ 4, 8, 9, 16, 18, 24, 25, 27, 32, 36, 40, 48, 49, 50, 54, 56, 64, 72, 75, 80, 81, 88, 96, 98, 100, 104, 108, 112, 120, 121, 125, 128, 135, 136, 144, 147, 152, 160, 162, 168, 169, 176, 180, 184, 189, 192, 196, 200, 208, 216, 224, 225, 232, 240, 242, 243, 245 ]
[ "nonn" ]
A077171
[ 1, 3, 5, 7, 13, 19, 23, 31, 37, 47, 59, 67, 79, 89, 109, 113, 139, 157, 173, 193, 211, 233, 257, 277, 293, 317, 353, 379, 409, 439, 467, 499, 523, 563, 599, 631, 661, 701, 743, 773, 823, 863, 907, 947, 991, 1039, 1069, 1129, 1171, 1229, 1279, 1327, 1381, 1433 ]
[ "nonn" ]
A055698
[ 1, 2, 6, 13588, 48238, 54490, 69004, 194460, 353228, 577980, 638652, 1478962, 1882188, 2190515, 2677740, 3404598, 3875508, 8456460, 9978863, 16320458, 41199780, 45112860, 76132715, 236405988, 357846865, 682983756, 689274612, 733141332, 1185444052, 1752193128 ]
[ "nonn" ]
A206855
[ 0, 0, 2, 12, 96, 1000, 12960, 201684, 3670016, 76527504, 1800000000, 47158953820, 1362182012928, 43011849456888, 1474041721757696, 54493461914062500, 2161727821137838000, 91597537648314100000, 4.1289440572842044e+21, 1.9729392688025287e+23, 9.961472e+24 ]
[ "nonn", "easy" ]
A364245
[ 0, 1, 8, 24, 65, 150, 330, 657, 1274, 2338, 4172, 7203, 12171, 20045, 32474, 51623, 80867, 124841, 190406, 286857, 427758, 631367, 923544, 1339226, 1926798, 2751094, 3900931, 5494411, 7690923, 10701618, 14808183, 20380969, 27910066, 38035633, 51597166, 69685656 ]
[ "nonn" ]
A305094
[ 3, 27, 64, 37, 333, 1987, 2220, 6525, 47093, 101012, 198933, 1068609, 3442736, 7128992, 26379149, 100365959, 248386754, 735739216, 2762606325, 8024258183, 22234257783, 76466826263, 243522837734, 688401797777, 2184328482305 ]
[ "nonn" ]
A244272
[ 2, 5, 6, 9, 5, 4, 4, 3, 4, 4, 8, 9, 8, 5, 7, 3, 6, 0, 7, 3, 7, 0, 0, 4, 4, 1, 1, 1, 9, 3, 9, 1, 4, 5, 6, 1, 6, 9, 8, 8, 8, 5, 8, 3, 9, 6, 7, 2, 6, 0, 9, 5, 6, 0, 3, 8, 4, 2, 0, 7, 7, 9, 6, 4, 2, 2, 5, 2, 8, 5, 3, 4, 1, 2, 9, 1, 8, 3, 5, 2, 9, 9, 8, 9, 4, 9, 4, 6, 9, 4, 0, 4, 5, 6, 9, 6, 7, 4, 9, 3, 6, 9, 6 ]
[ "nonn", "cons", "easy" ]
A056230
[ 1, 2, 3, 4, 6, 9, 7, 11, 17, 26, 12, 19, 30, 47, 73, 13, 25, 44, 74, 121, 194, 14, 27, 52, 96, 170, 291, 485, 15, 29, 56, 108, 204, 374, 665, 1150, 16, 31, 60, 116, 224, 428, 802, 1467, 2617, 18, 34, 65, 125, 241, 465, 893, 1695, 3162, 5779, 20, 38, 72, 137, 262 ]
[ "nice", "nonn", "easy", "tabl" ]