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.

A275557 Number of classes of endofunctions of [n] under rotation and complement to n+1.

Table of values

n a(n)
0 1
1 1
2 2
3 6
4 38
5 315
6 3932
7 58828
8 1049108
9 21523445
10 500010024
11 12968712306
12 371504436220
13 11649042561247
14 396857394156656
15 14596463012746392
16 576460752571867208
17 24330595937833434249
18 1092955779880370116836
19 52063675148955620766430
20 2621440000000512000336088

List of values

[1, 1, 2, 6, 38, 315, 3932, 58828, 1049108, 21523445, 500010024, 12968712306, 371504436220, 11649042561247, 396857394156656, 14596463012746392, 576460752571867208, 24330595937833434249, 1092955779880370116836, 52063675148955620766430, 2621440000000512000336088]

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

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