cp's OEIS Frontend

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.

A376441 Expansion of e.g.f. (1/x) * Series_Reversion( x*(1 + x*log(1-x^2))^2 ).

Table of values

n a(n)
0 1
1 0
2 0
3 12
4 0
5 120
6 10800
7 3360
8 766080
9 56064960
10 76507200
11 12988926720
12 885913459200
13 3162288729600
14 477701680135680
15 31728803730624000
16 230820218044416000
17 32828647402065715200
18 2173902177236319129600
19 27658882036996206796800
20 3801535675181689116672000
21 255228267875636473786368000

List of values

[1, 0, 0, 12, 0, 120, 10800, 3360, 766080, 56064960, 76507200, 12988926720, 885913459200, 3162288729600, 477701680135680, 31728803730624000, 230820218044416000, 32828647402065715200, 2173902177236319129600, 27658882036996206796800, 3801535675181689116672000, 255228267875636473786368000]