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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.

A124212 Expansion of e.g.f. exp(x)/sqrt(2-exp(2*x)).

Table of values

n a(n)
0 1
1 2
2 8
3 56
4 560
5 7232
6 114368
7 2139776
8 46223360
9 1132124672
10 30999600128
11 938366468096
12 31114518056960
13 1121542540992512
14 43664751042265088
15 1826043989622358016
16 81635676596544143360

List of values

[1, 2, 8, 56, 560, 7232, 114368, 2139776, 46223360, 1132124672, 30999600128, 938366468096, 31114518056960, 1121542540992512, 43664751042265088, 1826043989622358016, 81635676596544143360]

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

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