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.

A275556 Number of classes of endofunctions of [n] under vertical translation mod n, rotation, complement to n+1 and reversal.

Table of values

n a(n)
0 1
1 1
2 2
3 3
4 13
5 45
6 412
7 4375
8 66988
9 1199038
10 25033020
11 589567451
12 15480284910
13 448042511917
14 14173510363424
15 486548852524671
16 18014399792942108
17 715605766365332673
18 30359882832309625502
19 1370096714607544395379
20 65536000002956800104588

List of values

[1, 1, 2, 3, 13, 45, 412, 4375, 66988, 1199038, 25033020, 589567451, 15480284910, 448042511917, 14173510363424, 486548852524671, 18014399792942108, 715605766365332673, 30359882832309625502, 1370096714607544395379, 65536000002956800104588]

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

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