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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.

A245916 Number of pairs of endofunctions f, g on [n] satisfying f(g^7(i)) = f(i) for all i in [n].

Table of values

n a(n)
0 1
1 1
2 10
3 159
4 3496
5 98345
6 3373056
7 729481375
8 187564765312
9 37157158911249
10 6404841810150400
11 1033733019005497151
12 162392131536566261760
13 25373998461297751027321
14 13879265226159974639036416
15 11935104515280353051806269375
16 7611603822558997773619173031936

List of values

[1, 1, 10, 159, 3496, 98345, 3373056, 729481375, 187564765312, 37157158911249, 6404841810150400, 1033733019005497151, 162392131536566261760, 25373998461297751027321, 13879265226159974639036416, 11935104515280353051806269375, 7611603822558997773619173031936]

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

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