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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.

A327151 Number of orbits of the direct square of the alternating group A_n^2 where A_n acts by conjugation, such that both permutations in a representative pair are of the same conjugacy class in A_n.

Table of values

n a(n)
0 1
1 1
2 1
3 3
4 8
5 23
6 82
7 452
8 2369
9 18356
10 143308
11 1396222
12 13000455
13 152886068

List of values

[1, 1, 1, 3, 8, 23, 82, 452, 2369, 18356, 143308, 1396222, 13000455, 152886068]

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

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