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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.

A180687 G.f.: A(x) = Sum_{n>=0} log(1 + 2^n*x/(1-x))^n/n!.

Table of values

n a(n)
0 1
1 2
2 8
3 70
4 2008
5 209018
6 76000040
7 94978699326
8 410326957417208
9 6211396910763188786
10 334321755307017208207432
11 64835518006826024523658441206
12 45812575197824183928260946747286552

List of values

[1, 2, 8, 70, 2008, 209018, 76000040, 94978699326, 410326957417208, 6211396910763188786, 334321755307017208207432, 64835518006826024523658441206, 45812575197824183928260946747286552]

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

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