A059053 - cp's OEIS frontend

A059053 Number of chiral pairs of necklaces with n beads and two colors (color complements being equivalent); i.e., turning the necklace over neither leaves it unchanged nor simply swaps the colors.

n	a(n)
0	0
1	0
2	0
3	0
4	0
5	0
6	0
7	1
8	2
9	7
10	12
11	31
12	58
13	126
14	234
15	484
16	906
17	1800
18	3402
19	6643
20	12624
21	24458
22	46686
23	90157
24	172810
25	333498
26	641340
27	1238671
28	2388852
29	4620006
30	8932032
31	17302033
32	33522698
33	65042526
34	126258960
35	245361172
36	477091232

[0, 0, 0, 0, 0, 0, 0, 1, 2, 7, 12, 31, 58, 126, 234, 484, 906, 1800, 3402, 6643, 12624, 24458, 46686, 90157, 172810, 333498, 641340, 1238671, 2388852, 4620006, 8932032, 17302033, 33522698, 65042526, 126258960, 245361172, 477091232]

cp's OEIS Frontend

A059053 Number of chiral pairs of necklaces with n beads and two colors (color complements being equivalent); i.e., turning the necklace over neither leaves it unchanged nor simply swaps the colors.

Table of values

List of values