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.

A005225 Number of permutations of length n with equal cycles.

Table of values

n a(n)
1 1
2 2
3 3
4 10
5 25
6 176
7 721
8 6406
9 42561
10 436402
11 3628801
12 48073796
13 479001601
14 7116730336
15 88966701825
16 1474541093026
17 20922789888001
18 400160588853026
19 6402373705728001
20 133991603578884052
21 2457732174030848001
22 55735573291977790576
23 1124000727777607680001

List of values

[1, 2, 3, 10, 25, 176, 721, 6406, 42561, 436402, 3628801, 48073796, 479001601, 7116730336, 88966701825, 1474541093026, 20922789888001, 400160588853026, 6402373705728001, 133991603578884052, 2457732174030848001, 55735573291977790576, 1124000727777607680001]