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.

A324806 a(n) is the number of endofunctions on a set of size n with preimage constraint {0, 1, 2, 3, 4, 5, 6}.

Table of values

n a(n)
0 1
1 1
2 4
3 27
4 256
5 3125
6 46656
7 823536
8 16776760
9 387399096
10 9999087840
11 285273493890
12 8914479240744
13 302804132739108
14 11108778138153696
15 437740674563572380
16 18439146872674688160
17 826846479804875930400
18 39325078741869629444736
19 1977213223548343109320992

List of values

[1, 1, 4, 27, 256, 3125, 46656, 823536, 16776760, 387399096, 9999087840, 285273493890, 8914479240744, 302804132739108, 11108778138153696, 437740674563572380, 18439146872674688160, 826846479804875930400, 39325078741869629444736, 1977213223548343109320992]

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

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