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.

A045676 Number of 2n-bead balanced binary necklaces which are equivalent to their reverse, but not equivalent to their complement and reversed complement.

Table of values

n a(n)
0 0
1 0
2 0
3 0
4 2
5 2
6 14
7 12
8 58
9 54
10 232
11 220
12 886
13 860
14 3360
15 3304
16 12730
17 12614
18 48348
19 48108
20 184224
21 183732
22 704376
23 703384
24 2702070
25 2700060
26 10396440
27 10392408
28 40108336
29 40100216
30 155101008
31 155084752
32 601047482
33 601014854
34 2333540428

List of values

[0, 0, 0, 0, 2, 2, 14, 12, 58, 54, 232, 220, 886, 860, 3360, 3304, 12730, 12614, 48348, 48108, 184224, 183732, 704376, 703384, 2702070, 2700060, 10396440, 10392408, 40108336, 40100216, 155101008, 155084752, 601047482, 601014854, 2333540428]