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.

A208598 Number of 4-bead necklaces labeled with numbers -n..n not allowing reversal, with sum zero.

Table of values

n a(n)
1 6
2 23
3 60
4 125
5 226
6 371
7 568
8 825
9 1150
10 1551
11 2036
12 2613
13 3290
14 4075
15 4976
16 6001
17 7158
18 8455
19 9900
20 11501
21 13266
22 15203
23 17320
24 19625
25 22126
26 24831
27 27748
28 30885
29 34250
30 37851
31 41696
32 45793
33 50150
34 54775
35 59676
36 64861
37 70338
38 76115
39 82200
40 88601

List of values

[6, 23, 60, 125, 226, 371, 568, 825, 1150, 1551, 2036, 2613, 3290, 4075, 4976, 6001, 7158, 8455, 9900, 11501, 13266, 15203, 17320, 19625, 22126, 24831, 27748, 30885, 34250, 37851, 41696, 45793, 50150, 54775, 59676, 64861, 70338, 76115, 82200, 88601]