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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.

A377390 Expansion of e.g.f. (1/x) * Series_Reversion( x/(1 - x*log(1-x))^2 ).

Table of values

n a(n)
0 1
1 0
2 4
3 6
4 232
5 1380
6 46308
7 593880
8 20639456
9 434113344
10 16557009840
11 490894572960
12 20995513516800
13 801146038080960
14 38632110899469696
15 1791609186067646400
16 97167945389675212800
17 5275541489312858803200
18 319879838094553691744256
19 19820894989178283188198400

List of values

[1, 0, 4, 6, 232, 1380, 46308, 593880, 20639456, 434113344, 16557009840, 490894572960, 20995513516800, 801146038080960, 38632110899469696, 1791609186067646400, 97167945389675212800, 5275541489312858803200, 319879838094553691744256, 19820894989178283188198400]

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

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