A208825 - cp's OEIS frontend

A208825 T(n,k) is the number of n-bead necklaces labeled with numbers -k..k allowing reversal, with sum zero.

n	a(n)
1	1
2	1
3	2
4	1
5	3
6	2
7	1
8	4
9	5
10	5
11	1
12	5
13	8
14	16
15	7
16	1
17	6
18	13
19	38
20	45
21	18
22	1
23	7
24	18
25	75
26	155
27	167
28	32
29	1
30	8
31	25
32	131
33	415
34	828
35	609
36	84
37	1
38	9
39	32
40	210
41	905
42	2821
43	4390
44	2471
45	185
46	1
47	10
48	41
49	316
50	1755
51	7582
52	19657
53	25202
54	10143
55	486
56	1
57	11
58	50
59	453
60	3085
61	17339
62	65134
63	144871

[1, 1, 2, 1, 3, 2, 1, 4, 5, 5, 1, 5, 8, 16, 7, 1, 6, 13, 38, 45, 18, 1, 7, 18, 75, 155, 167, 32, 1, 8, 25, 131, 415, 828, 609, 84, 1, 9, 32, 210, 905, 2821, 4390, 2471, 185, 1, 10, 41, 316, 1755, 7582, 19657, 25202, 10143, 486, 1, 11, 50, 453, 3085, 17339, 65134, 144871]

cp's OEIS Frontend

A208825 T(n,k) is the number of n-bead necklaces labeled with numbers -k..k allowing reversal, with sum zero.

Table of values

List of values