A385666 - cp's OEIS frontend

A385666 Triangle read by rows: T(n,k) is the number of 2n-bead balanced binary necklaces with period length 2n/k.

n	a(n)
1	1
2	1
3	1
4	3
5	0
6	1
7	8
8	1
9	0
10	1
11	25
12	0
13	0
14	0
15	1
16	75
17	3
18	1
19	0
20	0
21	1
22	245
23	0
24	0
25	0
26	0
27	0
28	1
29	800
30	8
31	0
32	1
33	0
34	0
35	0
36	1
37	2700
38	0
39	3
40	0
41	0
42	0
43	0
44	0
45	1
46	9225
47	25
48	0
49	0
50	1
51	0
52	0
53	0
54	0
55	1
56	32065
57	0
58	0
59	0
60	0
61	0
62	0
63	0
64	0
65	0
66	1
67	112632
68	75
69	8
70	3
71	0
72	1
73	0
74	0
75	0
76	0
77	0
78	1
79	400023

[1, 1, 1, 3, 0, 1, 8, 1, 0, 1, 25, 0, 0, 0, 1, 75, 3, 1, 0, 0, 1, 245, 0, 0, 0, 0, 0, 1, 800, 8, 0, 1, 0, 0, 0, 1, 2700, 0, 3, 0, 0, 0, 0, 0, 1, 9225, 25, 0, 0, 1, 0, 0, 0, 0, 1, 32065, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 112632, 75, 8, 3, 0, 1, 0, 0, 0, 0, 0, 1, 400023]

cp's OEIS Frontend

A385666 Triangle read by rows: T(n,k) is the number of 2n-bead balanced binary necklaces with period length 2n/k.

Table of values

List of values