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.

A006008 Number of inequivalent ways to color vertices of a regular tetrahedron using <= n colors.

Table of values

n a(n)
0 0
1 1
2 5
3 15
4 36
5 75
6 141
7 245
8 400
9 621
10 925
11 1331
12 1860
13 2535
14 3381
15 4425
16 5696
17 7225
18 9045
19 11191
20 13700
21 16611
22 19965
23 23805
24 28176
25 33125
26 38701
27 44955
28 51940
29 59711
30 68325
31 77841
32 88320
33 99825
34 112421
35 126175
36 141156
37 157435
38 175085
39 194181
40 214800
41 237021
42 260925
43 286595
44 314116
45 343575

List of values

[0, 1, 5, 15, 36, 75, 141, 245, 400, 621, 925, 1331, 1860, 2535, 3381, 4425, 5696, 7225, 9045, 11191, 13700, 16611, 19965, 23805, 28176, 33125, 38701, 44955, 51940, 59711, 68325, 77841, 88320, 99825, 112421, 126175, 141156, 157435, 175085, 194181, 214800, 237021, 260925, 286595, 314116, 343575]