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.

A060560 Number of ways to color the vertices of an octagon using <= n colors, allowing rotations and reflections.

Table of values

n a(n)
0 0
1 1
2 30
3 498
4 4435
5 25395
6 107331
7 365260
8 1058058
9 2707245
10 6278140
11 13442286
12 26942565
13 51084943
14 92383305
15 160386360
16 268718116
17 436365945
18 689252778
19 1062132490
20 1600850055
21 2365010571
22 3431103775
23 4896133188
24 6881801550
25 9539306725
26 13054804776
27 17655599430

List of values

[0, 1, 30, 498, 4435, 25395, 107331, 365260, 1058058, 2707245, 6278140, 13442286, 26942565, 51084943, 92383305, 160386360, 268718116, 436365945, 689252778, 1062132490, 1600850055, 2365010571, 3431103775, 4896133188, 6881801550, 9539306725, 13054804776, 17655599430]

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

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