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N8Programs
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oeis-enhanced

Dataset card Data Studio Files
xet
Community
1
id
stringlengths
7
11
seq
listlengths
1
347
keywords
listlengths
1
8
⌀
A142279
[ 73, 331, 503, 761, 1019, 1277, 1621, 1879, 2137, 2309, 3083, 3169, 3943, 4201, 4373, 4889, 5147, 5233, 5749, 6007, 6781, 7039, 7211, 7297, 7727, 8243, 8329, 8501, 9103, 9533, 9619, 9791, 10651, 10909, 11597, 11941, 12113, 12457, 12973, 14177, 14779, 14951 ]
[ "nonn", "easy" ]
A049688
[ 0, 2, 5, 10, 17, 28, 41, 60, 83, 112, 145, 188, 235, 294, 359, 432, 513, 610, 713, 834, 963, 1104, 1255, 1428, 1609, 1810, 2023, 2254, 2497, 2768, 3047, 3356, 3681, 4026, 4387, 4772, 5169, 5602, 6053, 6528, 7019 ]
[ "nonn" ]
A112801
[ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 1, 2, 2, 2, 4, 4, 4, 8, 7, 8, 11, 11, 13, 15, 16, 18, 23, 23, 26, 30, 31, 33, 40, 40, 45, 51, 53, 56, 62, 66, 66, 76, 79, 82, 88, 94, 96, 105, 111, 111, 124, 127, 132, 141, 145, 148, 164, 166, 170, 180, 187, 187, 206, 204, 208 ]
[ "nonn", "look" ]
A217876
[ 1, 1, 1, 1, 2, 2, 5, 4, 1, 13, 10, 3, 37, 29, 9, 1, 112, 88, 28, 4, 363, 288, 96, 16, 1, 1235, 984, 336, 60, 5, 4427, 3555, 1248, 240, 25, 1, 16526, 13334, 4764, 956, 110, 6, 64351, 52252, 19023, 3984, 505, 36, 1, 259471, 211646, 78101, 16836, 2261, 182, 7 ]
[ "nonn", "tabf" ]
A060016
[ 1, 1, 0, 1, 1, 0, 1, 1, 0, 0, 1, 2, 0, 0, 0, 1, 2, 1, 0, 0, 0, 1, 3, 1, 0, 0, 0, 0, 1, 3, 2, 0, 0, 0, 0, 0, 1, 4, 3, 0, 0, 0, 0, 0, 0, 1, 4, 4, 1, 0, 0, 0, 0, 0, 0, 1, 5, 5, 1, 0, 0, 0, 0, 0, 0, 0, 1, 5, 7, 2, 0, 0, 0, 0, 0, 0, 0, 0, 1, 6, 8, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 6, 10, 5, 0, 0, 0, 0, 0, 0, 0, 0, 0 ]
[ "nonn", "tabl", "nice", "easy" ]
A214533
[ 2, 5, 4, 9, 1, 2, 7, 7, 2, 9, 3, 7, 9, 1, 6, 7, 4, 0, 7, 5, 8, 1, 9, 6, 7, 0, 2, 8, 4, 9, 6, 4, 2, 5, 4, 0, 5, 4, 7, 1, 4, 5, 0, 8, 4, 6, 3, 8, 4, 8, 6, 4, 0, 4, 1, 7, 4, 5, 5, 6, 3, 5, 5, 1, 1, 3, 2, 1, 6, 3, 7, 1, 4, 8, 6, 0, 9, 8, 8, 6, 5, 1, 1, 5, 3, 1 ]
[ "nonn", "cons" ]
A384287
[ 3, 8, 8, 5, 6, 1, 8, 0, 8, 3, 1, 6, 4, 1, 2, 6, 7, 3, 1, 7, 3, 5, 5, 8, 4, 9, 6, 5, 6, 1, 2, 9, 3, 0, 7, 7, 1, 4, 2, 6, 2, 2, 9, 1, 6, 7, 1, 6, 9, 2, 6, 4, 0, 9, 7, 5, 6, 8, 9, 0, 6, 3, 1, 7, 3, 2, 0, 9, 7, 6, 6, 3, 7, 9, 4, 9, 4, 7, 6, 0, 5, 1, 8, 0, 0, 5, 1, 6, 7, 1 ]
[ "nonn", "cons", "easy" ]
A335793
[ 1, 1, 3, 11, 41, 151, 553, 2023, 7401 ]
[ "nonn", "more" ]
A000258
[ 1, 1, 3, 12, 60, 358, 2471, 19302, 167894, 1606137, 16733779, 188378402, 2276423485, 29367807524, 402577243425, 5840190914957, 89345001017415, 1436904211547895, 24227076487779800, 427187837301557570, 7859930038606521000, 150601795280158260000 ]
[ "nonn", "easy", "nice", "changed" ]
A223438
[ 3888, 217600, 16693920, 1485628224, 142702806112, 14233389951648, 1445484467129440, 148051853028192500, 15224711042202343000, 1.5685464718975896e+21, 1.617434931371799e+23 ]
[ "nonn" ]
A264678
[ 0, 9, 34, 123, 748, 3698, 17443, 84737, 414665, 2005125, 9713004, 47127519, 228570355, 1108064547, 5372882058, 26053821399, 126333862510, 612577288197, 2970352085648, 14403091243503, 69839730071000, 338648374694336 ]
[ "nonn" ]
A227189
[ 0, 0, 1, 0, 0, 1, 0, 0, 1, 2, 0, 0, 0, 0, 2, 0, 0, 0, 0, 2, 1, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 1, 2, 3, 0, 0, 0, 0, 0, 0, 0, 0, 3, 0, 0, 0, 0, 0, 0, 0, 0, 3, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 1, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 2, 2 ]
[ "nonn", "tabl" ]
A226178
[ 2, 6, 12, 76, 181, 1099, 1820, 9229 ]
[ "nonn", "hard", "more" ]
A330494
[ 1, 4, 19, 129, 1018, 9912, 111074, 1416398, 20295208, 323437728, 5657339928, 107765338920, 2223272444976, 49399021063584, 1175549092374672, 29822113966614770, 803485297880792000, 22917198585269730000, 689927737384840700000, 2.1861972842959845e+22 ]
[ "nonn" ]
A182053
[ 1, 1, 2, 5, 11, 26, 64, 159, 402, 1032, 2677, 7010, 18510, 49220, 131691, 354282, 957745, 2600382, 7088008, 19388719, 53207441, 146444424, 404151643, 1118132954, 3100540971, 8615945102, 23989662824, 66917894562, 186983937758, 523314016245, 1466807316032 ]
[ "nonn" ]
A079846
[ 1, 3, 9, 27, 81, 243, 6561, 387420489 ]
[ "base", "nonn" ]
A012557
[ 2, -4, 350, -11240, 1461658, -167279660, 35689423926, -8594866078032, 2902777731046578, -1163594305273709600, 584328120817240400000, -3.46295976826691e+23, 2.44030359200524e+26 ]
[ "sign" ]
A142835
[ 37, 281, 647, 769, 1013, 1867, 2111, 2477, 2843, 3209, 3331, 3697, 4673, 5039, 5527, 6869, 6991, 7723, 8089, 8699, 8821, 9187, 9431, 10163, 10529, 10651, 11261, 11383, 13457, 15287, 16141, 17117, 17239, 17483, 17971, 18947, 19069, 19801, 20411, 20533 ]
[ "nonn", "easy" ]
A227357
[ 1, 62, 38466, 41312060, 56930297410, 90519385516812, 157933807781230400, 294111627143303820000, 5.747886828827857e+23, 1.165869740380161e+27, 2.435635082278794e+30, 5.211959633483651e+33, 1.1377217758058088e+37 ]
[ "nonn" ]
A213090
[ 1, 1, 2, 6, 23, 101, 477, 2343, 11762, 59786, 306132, 1574536, 8120782, 41957030, 217021682, 1123371986, 5817788471, 30139492189, 156174965473, 809382185187, 4195096032623, 21745137658765, 112720985668763, 584336632836945, 3029232133574325, 15703985220888072 ]
[ "nonn" ]
A340856
[ 2, 3, 5, 6, 7, 11, 13, 14, 17, 19, 21, 23, 26, 29, 30, 31, 35, 37, 38, 39, 41, 43, 47, 53, 57, 58, 59, 61, 65, 67, 71, 73, 74, 78, 79, 83, 86, 87, 89, 91, 95, 97, 101, 103, 106, 107, 109, 111, 113, 122, 127, 129, 130, 131, 133, 137, 138, 139, 142, 143, 145 ]
[ "nonn" ]
A128927
[ 5, 11, 19, 79, 113, 251, 401, 709, 947, 1579, 1847, 2063, 5077, 7603, 9049, 10457, 11621, 17509, 18353, 19433, 21911, 22853, 24551, 27073, 30809, 33923, 34213, 37781, 39313, 39623, 45757, 46091, 47779, 51241, 53381, 56299, 58537, 67927 ]
[ "nonn" ]
A277679
[ 1, 3, 2, 7, 4, 5, 13, 6, 9, 8, 17, 10, 11, 14, 15, 23, 16, 19, 12, 25, 18, 33, 26, 27, 20, 21, 24, 31, 49, 32, 39, 22, 29, 28, 35, 34, 53, 36, 43, 30, 37, 40, 41, 50, 51, 59, 52, 55, 42, 45, 38, 61, 44, 67, 54, 85, 68, 69, 62, 63, 46, 47, 56, 57, 60, 77, 95 ]
[ "nonn", "easy" ]
A211944
[ 5, 15, 85, 589, 4512, 37477, 328718, 2998039 ]
[ "nonn", "hard" ]
A209530
[ 9, 25, 65, 193, 513, 1537, 4097, 12289, 32769, 98305, 262145, 786433, 2097153, 6291457, 16777217, 50331649, 134217729, 402653185, 1073741825, 3221225473, 8589934593, 25769803777, 68719476737, 206158430209, 549755813889 ]
[ "nonn" ]
A054868
[ 0, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 2, 1, 2, 2, 1, 1, 1, 1, 2, 1, 2, 2, 1, 1, 2, 2, 1, 2, 1, 1, 2, 1, 1, 1, 2, 1, 2, 2, 1, 1, 2, 2, 1, 2, 1, 1, 2, 1, 2, 2, 1, 2, 1, 1, 2, 2, 1, 1, 2, 1, 2, 2, 2, 1, 1, 1, 2, 1, 2, 2, 1, 1, 2, 2, 1, 2, 1, 1, 2, 1, 2, 2, 1, 2, 1, 1, 2, 2, 1, 1, 2, 1, 2, 2, 2, 1, 2, 2 ]
[ "nonn", "base", "easy" ]
A265623
[ 125, 86800, 147336019, 283374980138, 1819521260530360, 272537666067981000, 2.836220162505763e+21, 2.3439243709208942e+24, 2.3094563458334695e+28 ]
[ "nonn" ]
A028056
[ 1, 24, 373, 4800, 55861, 613224, 6497893, 67364880, 688931221, 6985860024, 70462212613, 708365604960, 7106726476981, 71208736700424, 712951450202533, 7134775273637040, 71379698771197144, 713990571075854500 ]
[ "nonn" ]
A374576
[ 7829, 18713, 211, 19891, 2381, 63649, 183971, 11287, 67957, 2197697, 345749, 1359913, 2267827, 543383, 16705691, 2667311, 3369869, 38094029, 35605289, 3303059, 26184253, 44116757, 4271017, 35099179, 44191919, 296115661, 86828801, 169863823, 991, 163355419, 10301623, 115044443, 240284293 ]
[ "nonn" ]
A120292
[ 2, 1, 1, 5, 1, 23, 1, 1, 1, 23, 17, 13, 5, 1, 1, 1, 1, 37, 293, 47, 61, 29, 1, 29, 271, 593, 43, 233, 29, 811, 1, 941, 101, 1, 1, 1231, 131, 29, 1, 521, 1, 109, 1, 149, 509, 89, 59, 107, 617, 1, 1, 47, 173, 3067, 47, 1, 3463, 3599, 89, 431, 4021, 521, 2161, 2239, 103, 1, 1 ]
[ "frac", "nonn" ]
A331954
[ 1, 1, 2, 1, 2, 1, 3, 3, 2, 1, 4, 1, 2, 2, 3, 1, 5, 1, 4, 3, 2, 1, 7, 5, 2, 2, 4, 1, 4, 1, 6, 3, 2, 2, 5, 1, 2, 2, 3, 1, 6, 1, 4, 4, 2, 1, 9, 7, 7, 3, 3, 1, 4, 4, 5, 3, 2, 1, 8, 1, 2, 2, 9, 5, 5, 1, 4, 3, 3, 1, 10, 1, 2, 2, 4, 4, 4, 1, 6, 6, 2, 1, 11, 5, 2, 2 ]
[ "nonn" ]
A313375
[ 1, 5, 10, 12, 22, 26, 25, 32, 39, 48, 48, 48, 58, 63, 70, 71, 74, 84, 86, 92, 95, 100, 107, 108, 118, 122, 122, 127, 134, 145, 144, 144, 154, 160, 165, 166, 171, 180, 182, 188, 192, 195, 202, 205, 214, 218, 218, 224, 229, 240 ]
[ "nonn" ]
A002332
[ 0, 1, 3, 3, 1, 3, 5, 3, 7, 1, 9, 9, 5, 3, 9, 9, 3, 11, 1, 9, 11, 7, 15, 15, 13, 3, 15, 9, 11, 17, 5, 13, 7, 3, 15, 19, 3, 11, 9, 19, 21, 21, 13, 15, 21, 7, 3, 19, 23, 15, 21, 11, 17, 3, 9, 23, 15, 13, 21, 25, 9, 5, 21, 23, 17, 27, 11, 25, 3, 19, 27, 27, 29, 9, 1, 5, 27, 17, 15, 21, 27 ]
[ "nonn" ]
A083404
[ 1, 2, 6, 14, 32, 82, 196, 464, 1142, 2746, 6576, 15976, 38484, 92544, 223790, 539402, 1299184, 3136178, 7560760, 18222032, 43956888, 105980632, 255487040, 616137680, 1485562228, 3581617536, 8636505982, 20823634954, 50206996848 ]
[ "nonn", "easy" ]
A362478
[ 1, 1, 1, 3, 33, 321, 2841, 31641, 498849, 8979489, 167510961, 3427780401, 80374833441, 2089382321313, 58020408889353, 1721768971537161, 55150870311938240, 1897482353016075300, 69322763655015210000, 2.676706914491569e+21 ]
[ "nonn" ]
A259830
[ 2, 7, 6, 0, 3, 4, 5, 9, 9, 6, 3, 0, 0, 9, 4, 6, 3, 4, 7, 5, 3, 1, 0, 9, 4, 2, 5, 4, 8, 8, 0, 4, 0, 5, 8, 2, 4, 2, 0, 1, 6, 2, 7, 7, 3, 0, 9, 4, 7, 1, 7, 6, 4, 2, 7, 0, 2, 0, 5, 7, 0, 6, 7, 0, 2, 6, 0, 0, 5, 5, 1, 2, 2, 6, 5, 4, 9, 1, 0, 7, 5, 3, 0, 2, 8, 4, 5, 8, 3, 6, 4, 7, 9, 8, 4, 8, 7, 3, 4, 6, 7, 1, 5 ]
[ "nonn", "cons", "easy" ]
A019684
[ 1, 8, 4, 7, 9, 9, 5, 6, 7, 8, 5, 8, 2, 2, 3, 1, 3, 1, 6, 7, 4, 2, 7, 3, 1, 4, 0, 1, 9, 2, 9, 1, 1, 9, 3, 4, 3, 6, 4, 5, 3, 9, 3, 7, 6, 4, 3, 3, 8, 2, 9, 7, 5, 4, 1, 7, 4, 9, 9, 6, 7, 4, 0, 7, 2, 3, 9, 8, 9, 2, 0, 0, 3, 6, 9, 7, 7, 6, 9, 9, 9, 9, 1, 9, 2, 9, 6, 1, 6, 6, 1, 9, 6, 5, 9, 5, 1, 2, 1 ]
[ "nonn", "cons" ]
A051907
[ 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 1, 1, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 1, 0, 2, 0, 0, 0, 0, 2, 0, 1, 1, 1, 1, 0, 2, 0, 1, 1, 1, 2, 0, 4, 1, 3, 4, 0, 2, 0, 6, 0, 1, 2, 1, 3, 0, 4, 2, 1, 5, 5, 3, 2, 3, 3, 5, 5, 5, 2, 1, 12, 5, 4, 11, 4, 5, 2, 11, 3, 5 ]
[ "nonn" ]
A368319
[ 1, 4, 22, 166, 1642, 20254, 299722, 5174446, 102094042, 2266154014, 55890234922, 1516265078926, 44874837768442, 1438774580904574, 49678366226498120, 1837828899444250600, 72522300447277154000, 3.040654011774599e+21, 1.3498515930831267e+23 ]
[ "nonn" ]
A185174
[ 3, 9, 94, 1022, 2063449, 393612920, 5586492151, 55890484019689260 ]
[ "nonn", "more", "hard" ]
A155673
[ 1, 20, 220, 2330, 24640, 261050, 2771560, 29487170, 314358880, 3357947690, 35937424600, 385311670610, 4138428376720, 44522712143930, 479749833583240, 5177248169415650, 55949729863572160, 605447028499293800 ]
[ "nonn", "easy" ]
A381069
[ 1, 2, 4, 8, 16, 32, 64, 72, 144, 288, 576, 1080, 2160, 4320, 8640, 17280, 34560, 69120, 99360, 136080, 198720, 272160, 397440, 529200, 544320, 1058400, 2116800, 3160080, 4233600, 6320160, 8467200, 12640320, 16934400, 25280640, 50561280, 76744800, 101122560, 102816000 ]
[ "nonn", "base" ]
A302370
[ 8, 3, 109, 77, 918, 3125, 21831, 125193, 824459, 5383504, 35779184, 240480550, 1615536651, 10916466595, 73707212142, 498626574631, 3372684616301, 22824815728427, 154471448375476, 1045558911080013, 7077203544387174 ]
[ "nonn" ]
A278438
[ 7, 799, 78407, 7683199, 752875207, 73774087199, 7229107670407, 708378777612799, 69413891098384010, 6801852948864020000, 666512175097575600000, 6.531139130661354e+22, 6.39984983587303e+24, 6.271199725242503e+26, 6.145135745754065e+28 ]
[ "nonn", "easy" ]
A314844
[ 1, 5, 9, 14, 18, 24, 27, 33, 42, 47, 47, 52, 56, 62, 67, 75, 84, 85, 87, 92, 96, 100, 109, 117, 124, 121, 123, 128, 132, 140, 151, 159, 162, 161, 163, 168, 170, 182, 193, 199, 198, 197, 199, 204, 210, 224, 235, 237, 238, 237 ]
[ "nonn" ]
A210282
[ 1, 3, 12, 21, 43, 45, 102, 75, 161, 156, 234, 163, 433, 221, 424, 460, 608, 359, 876, 447, 1049, 830, 942, 637, 1784, 932, 1304, 1306, 1905, 997, 2648, 1137, 2428, 1920, 2164, 2042, 3980, 1595, 2694, 2618, 4378, 1961, 4900, 2163, 4423, 4283 ]
[ "nonn" ]
A163539
[ 0, 0, 1, 0, 1, 1, 0, -1, 0, 1, 0, -1, -1, 0, -1, 0, 0, 1, 0, -1, 0, 0, 1, 0, 1, 0, 1, 0, 0, -1, 0, 1, 1, 1, 0, -1, 0, 0, 1, 0, 1, 0, 1, 0, 0, -1, 0, 1, 0, 0, -1, 0, -1, -1, 0, 1, 0, -1, 0, 1, 1, 0, 1, 0, 1, 1, 0, -1, 0, 0, 1, 0, 1, 0, 1, 0, 0, -1, 0, 1, 1, 0, 1, 0, 1, 1, 0, -1, 0, 1, 0, -1, -1, 0 ]
[ "sign" ]
A007561
[ 0, 1, 1, 1, 3, 6, 16, 43, 120, 339, 985, 2892, 8606, 25850, 78347, 239161, 734922, 2271085, 7054235, 22010418, 68958139, 216842102, 684164551, 2165240365, 6871792256, 21865189969, 69737972975, 222915760126, 714001019626, 2291298553660, 7366035776888 ]
[ "nonn", "nice", "eigen" ]
A353125
[ 2, 2, 4, 4, 8, 6, 5, 5, 10, 7, 7, 14, 9, 6, 12, 7, 21, 10, 20, 9, 18, 8, 16, 8, 24, 9, 27, 9, 36, 10, 30, 10, 40, 11, 11, 22, 13, 13, 26, 15, 8, 32, 10, 50, 12, 24, 48, 11, 33, 14, 28, 11, 44, 15, 30, 60, 12, 36, 72, 12, 48, 96, 13, 39, 16, 32, 64, 12, 60, 120 ]
[ "nonn" ]
A162311
[ 1, 3, 4, 5, 7, 10, 14, 17, 19, 20, 21, 23, 25, 27, 28, 29, 31, 33, 35, 36, 37, 39, 42, 46, 49, 51, 52, 53, 55, 58, 62 ]
[ "nonn", "base", "easy" ]
A094979
[ 1, 1, 1, 1, 2, 3, 3, 4, 5, 7, 9, 11, 14, 18, 22, 28, 35, 44, 55, 69, 86, 108, 135, 169, 211 ]
[ "dead" ]
A109605
[ 6, 7, 12, 18, 30, 39, 67, 69, 72, 82, 96, 105, 109, 118, 120, 123, 132, 142, 144, 147, 148, 156, 159, 166, 175, 181, 184, 195, 204, 205, 211, 223, 225, 228, 243, 244, 246, 247, 259, 270, 271, 288, 303, 312, 334, 342, 343, 345, 351, 355, 364, 366, 376, 379 ]
[ "nonn", "easy" ]
A243769
[ 3, 1, 23, 18, 17, 147, 181, 59, 577, 864, 577, 724, 471, 1797, 1595, 1757, 1799, 461, 63, 4246, 2427, 2114, 601, 8215, 9613, 7863, 4279, 1743, 10107, 7652, 14673, 11336, 9671, 3132, 4883, 21177, 19229, 16745, 10683, 6961, 2599, 25966, 30141, 18202, 9415, 37803, 1201, 6538, 48203, 31851, 19757, 11819, 53711, 59088, 51463, 42892, 33339, 10016, 78493, 61693, 36487, 39717 ]
[ "nonn" ]
A064669
[ 1, 2, 3, 7, 8, 40, 64, 73, 101, 103, 121, 149, 223, 241, 251, 269, 331, 359, 383, 467, 499, 503, 509, 617, 673, 739, 773, 797, 823, 829, 1031, 1213, 1279, 1307, 1381, 1487, 1489, 1543, 1583, 1621, 1667, 1721, 1741, 1753, 1777, 1831, 1873, 1879 ]
[ "nonn" ]
A213211
[ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 2, 3, 1, 1, 1, 1, 2, 3, 4, 1, 1, 1, 1, 3, 3, 4, 5, 1, 1, 1, 1, 3, 6, 4, 5, 6, 1, 1, 1, 1, 3, 6, 10, 5, 6, 7, 1, 1, 1, 1, 4, 6, 10, 15, 6, 7, 8, 1, 1, 1, 1, 4, 10, 10, 15, 21, 7, 8, 9, 1, 1, 1, 1, 4, 10, 20, 15, 21, 28, 8, 9, 10, 1, 1, 1 ]
[ "nonn", "tabl" ]
A004534
[ 1, 0, 0, 0, 364, 0, 0, 8192, 16044, 0, 0, 114688, 200928, 0, 0, 745472, 1089452, 0, 0, 3096576, 4196920, 0, 0, 9691136, 12547808, 0, 0, 25346048, 31553344, 0, 0, 58261504, 70439852, 0, 0, 120553472, 142487436 ]
[ "nonn" ]
A375189
[ 7, 9, 1, 9, 2, 2, 2, 0, 1, 6, 2, 2, 6, 8, 1, 4, 6, 9, 1, 9, 4, 4, 1, 5, 4, 6, 3, 4, 7, 1, 8, 3, 2, 0, 5, 7, 1, 6, 9, 5, 8, 1, 0, 8, 0, 3, 6, 8, 6, 6, 6, 4, 8, 6, 1, 5, 8, 7, 0, 4, 9, 7, 5, 1, 7, 8, 2, 8, 8, 1, 8, 5, 7, 1, 3, 5, 6, 9, 9, 0, 4, 7, 9, 9, 1, 0, 3, 4, 3, 3 ]
[ "nonn", "cons", "easy" ]
A338892
[ 25, 169, 289, 377, 769, 797, 841, 1369, 1613, 1649, 1681, 1769, 2405, 2809, 3721, 5329, 5365, 6641, 7921, 7957, 8585, 8753, 9409, 10201, 11881, 12505, 12769, 15353, 16277, 16505, 16781, 16865, 17945, 18769, 22201, 22345, 24649, 26501, 26585, 29929, 32161 ]
[ "nonn" ]
A162938
[ 2, 5, 8, 11, 14, 25, 17, 20, 23, 40, 26, 29, 32, 55, 35, 38, 65, 41, 70, 44, 47, 50, 85, 53, 90, 56, 59, 100, 62, 65, 68, 115, 71, 74, 125, 77, 130, 80, 83, 140, 86, 145, 89, 92, 95, 160, 98, 165, 101, 104, 175, 107, 110, 113, 190, 116, 195, 119, 122, 205, 125, 128, 215 ]
[ "nonn" ]
A375529
[ 3, 10, 151, 31711, 1580159131, 2950885219102973400, 1.1387023138265143e+37, 1.4491891900448995e+74 ]
[ "nonn" ]
A365638
[ 1, 1, 1, 2, 4, 2, 8, 24, 24, 6, 64, 256, 384, 192, 24, 1024, 5120, 10240, 7680, 1920, 120, 32768, 196608, 491520, 491520, 184320, 23040, 720, 2097152, 14680064, 44040192, 55050240, 27525120, 5160960, 322560, 5040, 268435456, 2147483648, 7516192768, 11274289152, 7046430720, 1761607680, 165150720, 5160960, 40320 ]
[ "nonn", "easy", "tabl" ]
A113162
[ 7, 126, 525, 700, 315, 42, 1 ]
[ "nonn", "easy", "fini", "full" ]
A071901
[ 4, 3, 6, 7, 2, 1, 6, 4, 3, 1, 3, 8, 8, 0, 4, 2, 7, 4, 9, 3, 1, 4, 2, 0, 4, 1, 8, 6, 4, 9, 8, 8, 1, 4, 3, 4, 0, 8, 4, 1, 0, 2, 8, 6, 3, 2, 3, 7, 4, 7, 6, 6, 2, 5, 0, 1, 2, 3, 1, 3, 7, 4, 4, 7, 7, 4, 3, 6, 9, 6, 1, 2, 1, 9, 8, 9, 4, 2, 9, 9, 3, 5, 6, 9, 0, 4, 9, 3, 8, 6, 9, 6, 3, 6, 4, 2, 6, 3, 5, 9, 3, 7, 8, 9, 6 ]
[ "nonn", "base" ]
A322051
[ 1, 1, 2, 4, 6, 11, 22, 43, 86, 171, 342, 683, 1366, 2731, 5462 ]
[ "nonn" ]
A348269
[ 11, 1100, 110000, 11000000, 1100000000, 10010000, 1001000000, 100000001, 110, 101000, 100000100, 100010, 10001000, 1000010000, 1000001, 1000001000, 10001, 1000100, 100100000, 10000010, 1100000, 110000000, 1000000010, 1001, 10100 ]
[ "nonn", "fini", "full" ]
A185629
[ 1, 3, 6, 16, 60, 305, 1988, 15951, 153171, 1722693, 22296396, 327270440, 5381716953, 98134088419, 1967105567802, 43024511648982, 1020235144731236, 26083065249549660, 715430961891290800, 20962974995245687000, 653654392800091600000, 2.161544426399003e+22 ]
[ "nonn" ]
A317031
[ 4, 14, 30, 82, 280, 842, 2591, 8141, 25387, 79075, 247002, 771516, 2408705, 7522325, 23494122, 73374104, 229158274, 715707738, 2235297120, 6981287296, 21804026411, 68098596051, 212686440221, 664265316611, 2074643216856, 6479557040796 ]
[ "nonn" ]
A028327
[ 4, 6, 6, 8, 12, 8, 10, 20, 20, 10, 12, 30, 40, 30, 12, 14, 42, 70, 70, 42, 14, 16, 56, 112, 140, 112, 56, 16, 18, 72, 168, 252, 252, 168, 72, 18, 20, 90, 240, 420, 504, 420, 240, 90, 20, 22, 110, 330, 660, 924, 924, 660, 330, 110, 22, 24, 132, 440, 990, 1584, 1848 ]
[ "nonn" ]
A086365
[ 1, 4, 15, 75, 428, 2781, 20093, 159340, 1372163, 12725447, 126238060, 1332071241, 14881206473, 175297058228, 2169832010759, 28136696433171, 381199970284620, 5383103100853189, 79065882217154080, 1205566492711167000, 19049651311462785000 ]
[ "easy", "nonn" ]
A364299
[ 1, 1, 19, 721, 49251, 5370751, 859748023, 190320431953, 55743765411043, 20884452115700252, 9745388924112505000, 5.543574376457463e+21, 3.77667700106283e+24, 3.0361618017056823e+27, 2.844274879825369e+30 ]
[ "nonn", "easy" ]
A180389
[ 1, 1, 2, 6, 22, 96, 492, 2952, 20588, 164990, 1497740, 15187692, 169974040, 2078905752, 27567259896, 393759207372, 6025346314756, 98317949671110, 1703879074519500, 31251488731748108, 604748393942785000, 12312387380060084000, 263079571362773140000 ]
[ "nonn" ]
A018503
[ 1, 2, 5, 10, 53, 106, 265, 530 ]
[ "nonn", "fini", "full", "easy" ]
A198233
[ 4, 2, 5, 8, 1, 5, 7, 1, 0, 7, 4, 8, 3, 1, 6, 9, 8, 4, 5, 6, 8, 9, 2, 2, 3, 2, 1, 6, 3, 4, 1, 4, 8, 0, 8, 7, 0, 5, 3, 8, 5, 1, 4, 4, 7, 8, 5, 9, 6, 2, 9, 9, 8, 0, 0, 1, 1, 5, 3, 5, 2, 9, 4, 3, 8, 6, 2, 1, 4, 1, 1, 7, 9, 7, 6, 1, 3, 3, 1, 6, 0, 9, 1, 4, 5, 3, 3, 8, 4, 6, 5, 8, 4, 5, 7, 1, 3, 3, 3 ]
[ "nonn", "cons" ]
A324676
[ 0, 0, 0, 0, 0, 0, 0, -50, 0, 0, 0, 0, -15, -14, 0, 0, 0, -145, 0, 0, -6, 0, 0, 0, 0, -34, 0, 0, 0, -62, -2, -1, -59, -58, -57, 0, 0, -5, -1, -3, -2, -1, 0, 0, -26, 0, -21, -23, -22, -21, -20, -19, -18, 0, 0, 0, -44, -43, -42, -1, -40, -39, -38, -37, -56, 0, 0 ]
[ "sign" ]
A372664
[ 1, 9, 21, 55, 93, 163, 241, 383, 507, 709, 915, 1205, 1497, 1907, 2220, 2794, 3306, 3966, 4610, 5438, 6075, 7113, 8067, 9245, 10272, 11742, 12900, 14552, 16086, 17798, 19552, 21894, 23532, 26082, 27933, 30589, 33105, 36307, 38619, 41945, 45049, 48459, 51875 ]
[ "nonn" ]
A328762
[ 210, 1470, 5250, 6510, 7140, 8400, 9450, 10710, 14490, 15750, 16380, 17640, 18690, 19950, 23730, 24990, 25620, 26880, 27930, 29190, 30030, 31290, 32340, 33600, 37380, 38640, 39270, 40530, 41580, 42840, 46620, 47880, 48510, 49770, 50820, 52080, 55860, 57120, 57750, 59010, 60270, 61530, 63420, 65730, 69510, 70770, 72660, 74970 ]
[ "nonn" ]
A202286
[ 31, 41, 71, 61, 6421, 8501, 8116001, 845534401 ]
[ "nonn", "base", "fini", "more" ]
A220730
[ 1, 32, 2275, 331589, 42378036, 5717794568, 759141297226, 101519188093819, 13544010607777036, 1808631116741400600, 241439736338645880000, 3.223463164459396e+22, 4.303448709056159e+24 ]
[ "nonn" ]
A135983
[ 127, 2147483647, 6.044629098073146e+23, 1.0141204801825835e+31, 1.7014118346046923e+38, 2.85449538541192e+45 ]
[ "nonn" ]
A083114
[ 1, 2, 3, 4, 5, 6, 7, 8, 9, 11, 12, 13, 14, 15, 16, 17, 18, 21, 22, 23, 24, 31, 32, 33, 41, 42, 51, 61, 71, 81, 111, 112, 113, 114, 115, 116, 117, 119, 121, 122, 123, 124, 131, 132, 133, 141, 142, 151, 161, 171, 191, 211, 212, 213, 214, 221, 222, 231, 241 ]
[ "base", "easy", "nonn" ]
A382877
[ 1, 1, 1, 1, 1, 0, 1, 1, 1, 0, 1, 2, 1, 0, 0, 1, 1, 0, 1, 0, 0, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 1, 0, 0, 0, 1, 1, 0, 0, 2, 1, 0, 1, 0, 0, 0, 1, 1, 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 0, 1, 0, 2, 1, 0, 0, 1, 0, 0, 0, 1, 0, 1, 0, 0, 0, 0, 0, 1, 0, 1, 0, 1, 0, 0, 0, 0 ]
[ "nonn" ]
A382782
[ 1, -8, 1, 32, -3, -384, 30, 1, 1536, -105, -5, -30720, 1890, 105, 2, 61440, -3465, -210, -7, -10321920, 540540, 34650, 1512, 17, 4587520, -225225, -15015, -770, -17, -1486356480, 68918850, 4729725, 270270, 8415, 62, 2972712960, -130945815, -9189180, -567567, -21879, -341 ]
[ "sign", "tabf" ]
A339747
[ 1, 1, 1, 1, 6, 1, 1, 1, 1, 6, 1, 1, 1, 1, 6, 1, 1, 1, 1, 6, 1, 1, 1, 1, 31, 1, 1, 1, 1, 6, 1, 1, 1, 1, 6, 1, 1, 1, 1, 6, 1, 1, 1, 1, 6, 1, 1, 1, 1, 31, 1, 1, 1, 1, 6, 1, 1, 1, 1, 6, 1, 1, 1, 1, 6, 1, 1, 1, 1, 6, 1, 1, 1, 1, 31, 1, 1, 1, 1, 6, 1, 1, 1, 1, 6, 1, 1, 1, 1, 6, 1, 1, 1, 1, 6, 1, 1, 1, 1, 31 ]
[ "nonn", "mult" ]
A247385
[ 3, 1, 4, 1, 5, 9, 2, 6, 5, 3, 5, 8, 2, 1, 4, 8, 0, 8, 6, 5, 1, 4, 4, 2, 8, 8, 1, 0, 9, 7, 5, 7, 2, 4, 5, 8, 7, 0, 0, 6, 6, 3, 3, 0, 5, 7, 2, 7, 0, 3, 6, 9, 8, 3, 3, 6, 7, 3, 3, 6, 2, 0, 0, 0, 5, 6, 8, 1, 2, 7, 1, 4, 2, 0, 1, 9, 9, 5, 6, 1, 1, 5, 0, 2, 4, 4, 5, 9, 4, 5, 5, 5, 9, 8, 2, 5, 3, 4, 9, 0, 4, 8, 9, 7, 9, 3, 2 ]
[ "nonn", "cons" ]
A390778
[ 1, 4, 23, 152, 1084, 8116, 62866, 499376, 4044740, 33272912, 277200791, 2333900664, 19826702388, 169725523288, 1462620775348, 12677875916128, 110457927237556, 966801715013680, 8496913963019596, 74953578118991580, 663406796335595500, 5889702662262310000 ]
[ "nonn", "new" ]
A040590
[ 24, 1, 3, 1, 48, 1, 3, 1, 48, 1, 3, 1, 48, 1, 3, 1, 48, 1, 3, 1, 48, 1, 3, 1, 48, 1, 3, 1, 48, 1, 3, 1, 48, 1, 3, 1, 48, 1, 3, 1, 48, 1, 3, 1, 48, 1, 3, 1, 48, 1, 3, 1, 48, 1, 3, 1, 48, 1, 3, 1, 48, 1, 3, 1, 48, 1, 3, 1, 48, 1, 3, 1, 48, 1, 3, 1, 48, 1, 3, 1, 48, 1, 3, 1 ]
[ "nonn", "cofr", "easy", "less", "mult" ]
A269234
[ 10, 20, 50, 70, 80, 90, 100, 110, 120, 130, 150, 300, 360, 420, 500, 510, 540, 550, 610, 630, 650, 690, 780, 810, 820, 840, 870, 890, 960, 990, 1280, 1370, 1380, 1470, 1690 ]
[ "nonn" ]
A154254
[ 2, 3, 22, 59, 114, 187, 278, 387, 514, 659, 822, 1003, 1202, 1419, 1654, 1907, 2178, 2467, 2774, 3099, 3442, 3803, 4182, 4579, 4994, 5427, 5878, 6347, 6834, 7339, 7862, 8403, 8962, 9539, 10134, 10747, 11378, 12027, 12694, 13379, 14082, 14803, 15542, 16299, 17074, 17867 ]
[ "nonn", "easy" ]
A131555
[ 0, 0, 1, 1, 2, 2, 0, 0, 1, 1, 2, 2, 0, 0, 1, 1, 2, 2, 0, 0, 1, 1, 2, 2, 0, 0, 1, 1, 2, 2, 0, 0, 1, 1, 2, 2, 0, 0, 1, 1, 2, 2, 0, 0, 1, 1, 2, 2, 0, 0, 1, 1, 2, 2, 0, 0, 1, 1, 2, 2, 0, 0, 1, 1, 2, 2, 0, 0, 1, 1, 2, 2, 0, 0, 1, 1, 2, 2, 0, 0, 1, 1, 2, 2, 0, 0, 1, 1, 2, 2, 0, 0, 1, 1, 2, 2, 0, 0, 1, 1, 2, 2, 0, 0, 1 ]
[ "nonn", "easy" ]
A084479
[ 72, 384, 3360, 21504, 163968, 1136640, 8283648, 58791936, 423121920, 3022872576, 21679875072, 155169515520, 1111792499712, 7961492434944, 57028930483200, 408439216748544, 2925470825868288, 20952944438968320, 150073631759459330, 1074876158496639000 ]
[ "nonn", "easy" ]
A012782
[ 1, 1, 1, 5, 17, 85, 505, 3201, 25153, 204905, 1945265, 19581949, 217998673, 2608398013, 33522871785, 463598293497, 6789373095937, 106484041306577, 1755926841763681, 30821112722260468, 566210591513987300 ]
[ "nonn" ]
A156772
[ 531, 1260, 1989, 2718, 3447, 4176, 4905, 5634, 6363, 7092, 7821, 8550, 9279, 10008, 10737, 11466, 12195, 12924, 13653, 14382, 15111, 15840, 16569, 17298, 18027, 18756, 19485, 20214, 20943, 21672, 22401, 23130, 23859, 24588, 25317, 26046 ]
[ "nonn", "easy" ]
A347463
[ 1, 1, 1, 2, 1, 1, 1, 3, 2, 1, 1, 4, 1, 1, 1, 7, 1, 4, 1, 4, 1, 1, 1, 6, 2, 1, 3, 4, 1, 1, 1, 11, 1, 1, 1, 18, 1, 1, 1, 6, 1, 1, 1, 4, 4, 1, 1, 20, 2, 4, 1, 4, 1, 6, 1, 6, 1, 1, 1, 8, 1, 1, 4, 26, 1, 1, 1, 4, 1, 1, 1, 35, 1, 1, 4, 4, 1, 1, 1, 20, 7, 1, 1, 8, 1, 1, 1, 6, 1, 8, 1, 4, 1, 1, 1, 32, 1, 4, 4, 18 ]
[ "nonn" ]
A231297
[ 4, 16, 69, 301, 1414, 6850, 33316, 162796, 797293, 3906788, 19152603, 93902795, 460455941, 2257842932, 11071788203, 54292311074, 266234310441, 1305534117780, 6401974363527, 31393453449193, 153944680060888, 754901179958837 ]
[ "nonn" ]
A268283
[ 6, 12, 32, 60, 2560 ]
[ "nonn", "fini", "full" ]
A166632
[ 1, 2, 4, 4, 8, 8, 12, 8, 16, 16, 20, 16, 24, 24, 32, 16, 32, 32, 36, 32, 48, 40, 44, 32, 64, 48, 64, 48, 56, 64, 60, 32, 80, 64, 96, 64, 72, 72, 96, 64, 80, 96, 84, 80, 128, 88, 92, 64, 144, 128 ]
[ "nonn", "easy", "mult", "look" ]
A161215
[ 131071, 8589737985, 2821088318560, 281468534292480, 4999961852994576, 184880022956829600, 725978907114673700, 9223160931695985000, 40479533921803810000, 327672500035999560000, 602267704294826700000, 6.058148592249392e+21, 7.26806836518738e+21 ]
[ "nonn" ]
A374663
[ 2, 2, 2, 4, 10, 201, 34458, 1212060151, 1305857607493406700, 1.534737681943564e+36, 2.1412906839795494e+72 ]
[ "nonn" ]
A226196
[ 15, 55, 105, 120, 253, 595, 1225, 1485, 2080, 2211, 3321, 4371, 5460, 6786, 7381, 7503, 10731, 11935, 12246, 16290, 18915, 24531, 24753, 27966, 36585, 44850, 51360, 55278, 55945, 56953, 60031, 64980, 68265, 69006, 70125, 75078, 86736, 87153, 92235, 94830, 98790, 111628 ]
[ "nonn" ]
A025532
[ 0, 0, 1, 1, 3, 2, 4, 3, 5, 5, 7, 5, 8, 7, 7, 6, 10, 8, 11, 9, 10, 10, 12, 9, 12, 12, 12, 12, 15, 13, 16, 13, 16, 16, 16, 14, 18, 17, 17, 15, 19, 17, 20, 18, 18, 19, 21, 17, 21, 20, 21, 20, 23, 20, 22, 20, 22, 22, 24, 21, 25, 24, 23, 21, 25, 24, 27, 25, 26, 25, 28, 24, 29, 28, 27 ]
[ "nonn" ]