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.

A286071 Number of permutations of [n] with nonincreasing cycle sizes.

Table of values

n a(n)
0 1
1 1
2 2
3 5
4 19
5 85
6 496
7 3229
8 25117
9 215225
10 2100430
11 22187281
12 261228199
13 3284651245
14 45163266604
15 659277401525
16 10380194835601
17 172251467909809
18 3057368096689690
19 56867779157145769
20 1122474190194034555
21 23137433884903034501
22 502874858021076645784

List of values

[1, 1, 2, 5, 19, 85, 496, 3229, 25117, 215225, 2100430, 22187281, 261228199, 3284651245, 45163266604, 659277401525, 10380194835601, 172251467909809, 3057368096689690, 56867779157145769, 1122474190194034555, 23137433884903034501, 502874858021076645784]

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

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