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.

A261428 Number of permutations p of [2n] without fixed points such that p^8 = Id.

Table of values

n a(n)
0 1
1 1
2 9
3 105
4 7665
5 303345
6 25893945
7 1765268505
8 345763843425
9 42813526781025
10 9399638261838825
11 1573582072888650825
12 563295733721953657425
13 139523356060051359020625
14 55722660999371761475705625
15 17053184982967015188566885625
16 9496879931794641573011009810625

List of values

[1, 1, 9, 105, 7665, 303345, 25893945, 1765268505, 345763843425, 42813526781025, 9399638261838825, 1573582072888650825, 563295733721953657425, 139523356060051359020625, 55722660999371761475705625, 17053184982967015188566885625, 9496879931794641573011009810625]

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

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