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.

A245987 Number of pairs of endofunctions f, g on [n] satisfying g^10(f(i)) = f(i) for all i in [n].

Table of values

n a(n)
0 1
1 1
2 10
3 213
4 8056
5 540945
6 55791936
7 7976641981
8 1469902760320
9 332703236420577
10 93998774487116800
11 34310097895273565541
12 16097501586129903138816
13 9217140995822760715385905
14 6076268404868213191347785728
15 4448129862114255651329796526125

List of values

[1, 1, 10, 213, 8056, 540945, 55791936, 7976641981, 1469902760320, 332703236420577, 93998774487116800, 34310097895273565541, 16097501586129903138816, 9217140995822760715385905, 6076268404868213191347785728, 4448129862114255651329796526125]

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

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