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.

A332907 Number of entries in the third cycles of all permutations of [n] when cycles are ordered by increasing lengths.

Table of values

n a(n)
3 1
4 13
5 101
6 896
7 7967
8 78205
9 827521
10 9507454
11 117211469
12 1560454523
13 22172178965
14 336532052884
15 5423997488041
16 92726171603161
17 1673203210233137
18 31845893246619770
19 636647098018469141
20 13356074486442181999
21 293166974869955073469
22 6724854183662407594768

List of values

[1, 13, 101, 896, 7967, 78205, 827521, 9507454, 117211469, 1560454523, 22172178965, 336532052884, 5423997488041, 92726171603161, 1673203210233137, 31845893246619770, 636647098018469141, 13356074486442181999, 293166974869955073469, 6724854183662407594768]

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

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