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.

A245504 Number of endofunctions f on [n] such that f^8(i) = f(i) for all i in [n].

Table of values

n a(n)
0 1
1 1
2 3
3 10
4 41
5 196
6 1057
7 7042
8 87473
9 2004328
10 50881121
11 1200507694
12 26179091017
13 538344201292
14 10635924720449
15 204889902343666
16 3902206399428833
17 74966895289570768
18 1511315984060460865
19 34267718094037895638
20 937490346932078590841
21 30931366331911427839156

List of values

[1, 1, 3, 10, 41, 196, 1057, 7042, 87473, 2004328, 50881121, 1200507694, 26179091017, 538344201292, 10635924720449, 204889902343666, 3902206399428833, 74966895289570768, 1511315984060460865, 34267718094037895638, 937490346932078590841, 30931366331911427839156]

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

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