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.

A343576 Number of permutations of [n] without fixed points and all cycles equal length.

Table of values

n a(n)
0 1
1 0
2 1
3 2
4 9
5 24
6 175
7 720
8 6405
9 42560
10 436401
11 3628800
12 48073795
13 479001600
14 7116730335
15 88966701824
16 1474541093025
17 20922789888000
18 400160588853025
19 6402373705728000
20 133991603578884051
21 2457732174030848000
22 55735573291977790575
23 1124000727777607680000

List of values

[1, 0, 1, 2, 9, 24, 175, 720, 6405, 42560, 436401, 3628800, 48073795, 479001600, 7116730335, 88966701824, 1474541093025, 20922789888000, 400160588853025, 6402373705728000, 133991603578884051, 2457732174030848000, 55735573291977790575, 1124000727777607680000]

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

Content is available under The OEIS End-User License Agreement.