A164896 - cp's OEIS frontend

A164896 Number of subsets (up to cyclic shifts) of the n-th roots of 1 with zero sum.

n	a(n)
1	1
2	2
3	2
4	3
5	2
6	5
7	2
8	6
9	4
10	9
11	2
12	19
13	2
14	21
15	10
16	36
17	2
18	94
19	2
20	117
21	22
22	189
23	2
24	618
25	8
26	633
27	60
28	1203
29	2
30	6069
31	2
32	4116
33	190
34	7713
35	26
36	35324
37	2
38	27597
39	634
40	59706
41	2
42	328835
43	2
44	190935
45	2728
46	364725
47	2
48	2435780
49	20
50	1579884
51	7714
52	2582061
53	2
54	21013770
55	194
56	9894294
57	27598
58	18512793
59	2
60	377367015
61	2
62	69273669
63	104832
64	134219796
65	638
66	1678410951

[1, 2, 2, 3, 2, 5, 2, 6, 4, 9, 2, 19, 2, 21, 10, 36, 2, 94, 2, 117, 22, 189, 2, 618, 8, 633, 60, 1203, 2, 6069, 2, 4116, 190, 7713, 26, 35324, 2, 27597, 634, 59706, 2, 328835, 2, 190935, 2728, 364725, 2, 2435780, 20, 1579884, 7714, 2582061, 2, 21013770, 194, 9894294, 27598, 18512793, 2, 377367015, 2, 69273669, 104832, 134219796, 638, 1678410951]

cp's OEIS Frontend

A164896 Number of subsets (up to cyclic shifts) of the n-th roots of 1 with zero sum.

Table of values

List of values