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.

A054620 Number of ways to color vertices of a pentagon using <= n colors, allowing only rotations.

Table of values

n a(n)
0 0
1 1
2 8
3 51
4 208
5 629
6 1560
7 3367
8 6560
9 11817
10 20008
11 32219
12 49776
13 74269
14 107576
15 151887
16 209728
17 283985
18 377928
19 495235
20 640016
21 816837
22 1030744
23 1287287
24 1592544
25 1953145
26 2376296
27 2869803
28 3442096
29 4102253
30 4860024

List of values

[0, 1, 8, 51, 208, 629, 1560, 3367, 6560, 11817, 20008, 32219, 49776, 74269, 107576, 151887, 209728, 283985, 377928, 495235, 640016, 816837, 1030744, 1287287, 1592544, 1953145, 2376296, 2869803, 3442096, 4102253, 4860024]

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

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