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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.

A245914 Number of pairs of endofunctions f, g on [n] satisfying f(g^5(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 173225
6 15680736
7 1618295455
8 169456569472
9 17962132149009
10 2673715009888000
11 652752279443748671
12 185425990150444922880
13 50400836024570702513401
14 12815973354809222836596736
15 3862679850655546273674429375
16 1722827488179450551983866413056

List of values

[1, 1, 10, 159, 3496, 173225, 15680736, 1618295455, 169456569472, 17962132149009, 2673715009888000, 652752279443748671, 185425990150444922880, 50400836024570702513401, 12815973354809222836596736, 3862679850655546273674429375, 1722827488179450551983866413056]

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

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