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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.

A296465 Expansion of e.g.f. arctanh(arctanh(x)) (odd powers only).

Table of values

n a(n)
0 1
1 4
2 88
3 4688
4 459520
5 71876352
6 16428530688
7 5167215464448
8 2140879726411776
9 1130276555155243008
10 740796870212763254784
11 590192778209307913617408
12 561748717440430309770264576
13 629564244208933873601143111680
14 820602153197407426121272991416320
15 1230877720962045060728502509025361920

List of values

[1, 4, 88, 4688, 459520, 71876352, 16428530688, 5167215464448, 2140879726411776, 1130276555155243008, 740796870212763254784, 590192778209307913617408, 561748717440430309770264576, 629564244208933873601143111680, 820602153197407426121272991416320, 1230877720962045060728502509025361920]

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

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