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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.

A362891 Expansion of e.g.f. 1/(1 + LambertW(x^2 * log(1-x))).

Table of values

n a(n)
0 1
1 0
2 0
3 6
4 12
5 40
6 1620
7 11088
8 80640
9 2289600
10 30471840
11 374663520
12 9819817920
13 195106129920
14 3507260492736
15 95860364846400
16 2466492401318400
17 58909563259223040
18 1775000008437557760
19 54856736708999339520
20 1629826915777548364800

List of values

[1, 0, 0, 6, 12, 40, 1620, 11088, 80640, 2289600, 30471840, 374663520, 9819817920, 195106129920, 3507260492736, 95860364846400, 2466492401318400, 58909563259223040, 1775000008437557760, 54856736708999339520, 1629826915777548364800]

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

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