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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.

A262970 Total cycle length of all iteration trajectories of all elements of random mappings from [n] to [n].

Table of values

n a(n)
1 1
2 10
3 117
4 1648
5 27425
6 528336
7 11581885
8 284878336
9 7772592897
10 233010784000
11 7614411069221
12 269412832512000
13 10261487793254113
14 418636033893726208
15 18213563455467238125
16 841799936112774086656
17 41189866031118283907585
18 2127207204243268173103104

List of values

[1, 10, 117, 1648, 27425, 528336, 11581885, 284878336, 7772592897, 233010784000, 7614411069221, 269412832512000, 10261487793254113, 418636033893726208, 18213563455467238125, 841799936112774086656, 41189866031118283907585, 2127207204243268173103104]

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

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