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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.

A158886 a(n) = (n+1)^n * n! * C(1/(n+1), n).

Table of values

n a(n)
0 1
1 1
2 -2
3 21
4 -504
5 21505
6 -1432080
7 137227545
8 -17893715840
9 3047775608241
10 -657209398809600
11 175036741783305325
12 -56436686113876992000
13 21667473499647065000625
14 -9768377272589156352395264

List of values

[1, 1, -2, 21, -504, 21505, -1432080, 137227545, -17893715840, 3047775608241, -657209398809600, 175036741783305325, -56436686113876992000, 21667473499647065000625, -9768377272589156352395264]

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

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