cp's OEIS Frontend

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.

A245912 Number of pairs of endofunctions f, g on [n] satisfying f(g^3(i)) = f(i) for all i in [n].

Table of values

n a(n)
0 1
1 1
2 10
3 207
4 6856
5 302345
6 17812656
7 1384059775
8 131612023936
9 14986421437329
10 2051598980742400
11 327546779949753551
12 59790068922261980160
13 12505503377433451819993
14 2956768061598853524176896
15 778675046844529953944661375
16 228393818322135051214683406336

List of values

[1, 1, 10, 207, 6856, 302345, 17812656, 1384059775, 131612023936, 14986421437329, 2051598980742400, 327546779949753551, 59790068922261980160, 12505503377433451819993, 2956768061598853524176896, 778675046844529953944661375, 228393818322135051214683406336]

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

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