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.

A362362 Number of permutations of [n] such that each cycle contains its length as an element.

Table of values

n a(n)
0 1
1 1
2 1
3 3
4 8
5 36
6 174
7 1104
8 7440
9 62640
10 545040
11 5649840
12 60681600
13 748621440
14 9518342400
15 136758585600
16 2009451628800
17 32848492723200
18 549241915622400
19 10066913176320000
20 188293339922688000
21 3832031198451456000
22 79291640831090688000
23 1771146970953744384000

List of values

[1, 1, 1, 3, 8, 36, 174, 1104, 7440, 62640, 545040, 5649840, 60681600, 748621440, 9518342400, 136758585600, 2009451628800, 32848492723200, 549241915622400, 10066913176320000, 188293339922688000, 3832031198451456000, 79291640831090688000, 1771146970953744384000]

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

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