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.

A245988 Number of pairs of endofunctions f, g on [n] satisfying g^n(f(i)) = f(i) for all i in [n].

Table of values

n a(n)
0 1
1 1
2 10
3 141
4 9592
5 159245
6 86252976
7 908888155
8 1682479423360
9 128805405787953
10 93998774487116800
11 1099662085349496911
12 44830846497021739693056
13 147548082727234113659293
14 3534565745374740945151080448
15 1613371163531618738559582856125

List of values

[1, 1, 10, 141, 9592, 159245, 86252976, 908888155, 1682479423360, 128805405787953, 93998774487116800, 1099662085349496911, 44830846497021739693056, 147548082727234113659293, 3534565745374740945151080448, 1613371163531618738559582856125]

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

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