A209032 - cp's OEIS frontend

A209032 T(n,k) is the number of n-bead necklaces labeled with numbers -k..k allowing reversal, with sum zero and first differences in -k..k.

n	a(n)
1	1
2	1
3	1
4	1
5	2
6	1
7	1
8	2
9	2
10	2
11	1
12	3
13	4
14	6
15	2
16	1
17	3
18	5
19	12
20	11
21	4
22	1
23	4
24	7
25	23
26	34
27	33
28	6
29	1
30	4
31	10
32	38
33	88
34	144
35	86
36	13
37	1
38	5
39	12
40	60
41	187
42	471
43	576
44	278
45	21
46	1
47	5
48	15
49	88
50	358
51	1237
52	2517
53	2613
54	873
55	45
56	1
57	6
58	19
59	125
60	625
61	2798
62	8235
63	14611
64	11841
65	2938
66	83
67	1
68	6
69	22
70	170
71	1023

[1, 1, 1, 1, 2, 1, 1, 2, 2, 2, 1, 3, 4, 6, 2, 1, 3, 5, 12, 11, 4, 1, 4, 7, 23, 34, 33, 6, 1, 4, 10, 38, 88, 144, 86, 13, 1, 5, 12, 60, 187, 471, 576, 278, 21, 1, 5, 15, 88, 358, 1237, 2517, 2613, 873, 45, 1, 6, 19, 125, 625, 2798, 8235, 14611, 11841, 2938, 83, 1, 6, 22, 170, 1023]

cp's OEIS Frontend

A209032 T(n,k) is the number of n-bead necklaces labeled with numbers -k..k allowing reversal, with sum zero and first differences in -k..k.

Table of values

List of values