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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.

A375682 Expansion of e.g.f. 1 / (1 + x * log(1 - x^2/2))^3.

Table of values

n a(n)
0 1
1 0
2 0
3 9
4 0
5 45
6 1080
7 630
8 30240
9 470610
10 1247400
11 38170440
12 523908000
13 3454050600
14 87950182320
15 1245647403000
16 14580569203200
17 346019491818000
18 5524280291930400
19 92520760776444000
20 2188180621979352000
21 40781057935225608000
22 857154570994798876800

List of values

[1, 0, 0, 9, 0, 45, 1080, 630, 30240, 470610, 1247400, 38170440, 523908000, 3454050600, 87950182320, 1245647403000, 14580569203200, 346019491818000, 5524280291930400, 92520760776444000, 2188180621979352000, 40781057935225608000, 857154570994798876800]

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

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