A005513 - cp's OEIS frontend

A005513 Number of n-bead bracelets (turnover necklaces) of two colors with 6 red beads and n-6 black beads.

n	a(n)
6	1
7	1
8	4
9	7
10	16
11	26
12	50
13	76
14	126
15	185
16	280
17	392
18	561
19	756
20	1032
21	1353
22	1782
23	2277
24	2920
25	3652
26	4576
27	5626
28	6916
29	8372
30	10133
31	12103
32	14448
33	17063
34	20128
35	23528
36	27474
37	31824
38	36822
39	42315
40	48564
41	55404
42	63133
43	71554
44	81004

[1, 1, 4, 7, 16, 26, 50, 76, 126, 185, 280, 392, 561, 756, 1032, 1353, 1782, 2277, 2920, 3652, 4576, 5626, 6916, 8372, 10133, 12103, 14448, 17063, 20128, 23528, 27474, 31824, 36822, 42315, 48564, 55404, 63133, 71554, 81004]

cp's OEIS Frontend

A005513 Number of n-bead bracelets (turnover necklaces) of two colors with 6 red beads and n-6 black beads.

Table of values

List of values