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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.

A377392 Expansion of e.g.f. (1/x) * Series_Reversion( x/(1 + x*(exp(x) - 1))^2 ).

Table of values

n a(n)
0 1
1 0
2 4
3 6
4 224
5 1330
6 42912
7 548114
8 18337440
9 382829346
10 14098368080
11 413342914402
12 17124811116624
13 644015140354898
14 30163665817167456
15 1375047846420311730
16 72583022771706823232
17 3866142693873431519554
18 228486372085027819754928
19 13871056133441358772777154

List of values

[1, 0, 4, 6, 224, 1330, 42912, 548114, 18337440, 382829346, 14098368080, 413342914402, 17124811116624, 644015140354898, 30163665817167456, 1375047846420311730, 72583022771706823232, 3866142693873431519554, 228486372085027819754928, 13871056133441358772777154]

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

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