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This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A131464 a(n) = 4*n^3 - 3*n^2 + 2*n - 1.

Table of values

n a(n)
1 2
2 23
3 86
4 215
5 434
6 767
7 1238
8 1871
9 2690
10 3719
11 4982
12 6503
13 8306
14 10415
15 12854
16 15647
17 18818
18 22391
19 26390
20 30839
21 35762
22 41183
23 47126
24 53615
25 60674
26 68327
27 76598
28 85511
29 95090
30 105359
31 116342
32 128063
33 140546
34 153815
35 167894
36 182807
37 198578
38 215231
39 232790

List of values

[2, 23, 86, 215, 434, 767, 1238, 1871, 2690, 3719, 4982, 6503, 8306, 10415, 12854, 15647, 18818, 22391, 26390, 30839, 35762, 41183, 47126, 53615, 60674, 68327, 76598, 85511, 95090, 105359, 116342, 128063, 140546, 153815, 167894, 182807, 198578, 215231, 232790]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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