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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.

A375685 Expansion of e.g.f. 1 / (1 + x^2/2 * log(1 - x))^2.

Table of values

n a(n)
0 1
1 0
2 0
3 6
4 12
5 40
6 720
7 4788
8 34440
9 460080
10 5246640
11 60318720
12 879523920
13 13298126400
14 206628117696
15 3575354428800
16 65828785276800
17 1264510188264960
18 25912058505776640
19 561351949518931200
20 12721171715573529600
21 302794615563937781760
22 7554095183751745305600

List of values

[1, 0, 0, 6, 12, 40, 720, 4788, 34440, 460080, 5246640, 60318720, 879523920, 13298126400, 206628117696, 3575354428800, 65828785276800, 1264510188264960, 25912058505776640, 561351949518931200, 12721171715573529600, 302794615563937781760, 7554095183751745305600]

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

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