A318810 - cp's OEIS frontend

A318810 Number of necklace permutations of a multiset whose multiplicities are the prime indices of n > 1.

n	a(n)
1	1
2	1
3	1
4	1
5	1
6	1
7	1
8	2
9	2
10	1
11	1
12	3
13	1
14	1
15	2
16	6
17	1
18	6
19	1
20	4
21	3
22	1
23	1
24	12
25	4
26	1
27	16
28	5
29	1
30	10
31	1
32	24
33	3
34	1
35	5
36	30
37	1
38	1
39	4
40	20
41	1
42	15
43	1
44	6
45	30
46	1
47	1
48	60
49	10
50	20
51	4
52	7
53	1
54	90
55	7
56	30
57	5
58	1
59	1
60	60
61	1
62	1
63	54
64	120
65	10
66	21
67	1
68	8
69	5
70	35
71	1
72	180
73	1
74	1
75	70
76	9
77	14
78	28
79	1

[1, 1, 1, 1, 1, 1, 1, 2, 2, 1, 1, 3, 1, 1, 2, 6, 1, 6, 1, 4, 3, 1, 1, 12, 4, 1, 16, 5, 1, 10, 1, 24, 3, 1, 5, 30, 1, 1, 4, 20, 1, 15, 1, 6, 30, 1, 1, 60, 10, 20, 4, 7, 1, 90, 7, 30, 5, 1, 1, 60, 1, 1, 54, 120, 10, 21, 1, 8, 5, 35, 1, 180, 1, 1, 70, 9, 14, 28, 1]

cp's OEIS Frontend

A318810 Number of necklace permutations of a multiset whose multiplicities are the prime indices of n > 1.

Table of values

List of values

n	a(n)
1	1
2	1
3	1
4	1
5	1
6	1
7	1
8	2
9	2
10	1
11	1
12	3
13	1
14	1
15	2
16	6
17	1
18	6
19	1
20	4
21	3
22	1
23	1
24	12
25	4
26	1
27	16
28	5
29	1
30	10
31	1
32	24
33	3
34	1
35	5
36	30
37	1
38	1
39	4
40	20
41	1
42	15
43	1
44	6
45	30
46	1
47	1
48	60
49	10
50	20
51	4
52	7
53	1
54	90
55	7
56	30
57	5
58	1
59	1
60	60
61	1
62	1
63	54
64	120
65	10
66	21
67	1
68	8
69	5
70	35
71	1
72	180
73	1
74	1
75	70
76	9
77	14
78	28
79	1

n	a(n)
1	1
2	1
3	1
4	1
5	1
6	1
7	1
8	2
9	2
10	1
11	1
12	3
13	1
14	1
15	2
16	6
17	1
18	6
19	1
20	4
21	3
22	1
23	1
24	12
25	4
26	1
27	16
28	5
29	1
30	10
31	1
32	24
33	3
34	1
35	5
36	30
37	1
38	1
39	4
40	20
41	1
42	15
43	1
44	6
45	30
46	1
47	1
48	60
49	10
50	20
51	4
52	7
53	1
54	90
55	7
56	30
57	5
58	1
59	1
60	60
61	1
62	1
63	54
64	120
65	10
66	21
67	1
68	8
69	5
70	35
71	1
72	180
73	1
74	1
75	70
76	9
77	14
78	28
79	1

n	a(n)
1	1
2	1
3	1
4	1
5	1
6	1
7	1
8	2
9	2
10	1
11	1
12	3
13	1
14	1
15	2
16	6
17	1
18	6
19	1
20	4
21	3
22	1
23	1
24	12
25	4
26	1
27	16
28	5
29	1
30	10
31	1
32	24
33	3
34	1
35	5
36	30
37	1
38	1
39	4
40	20
41	1
42	15
43	1
44	6
45	30
46	1
47	1
48	60
49	10
50	20
51	4
52	7
53	1
54	90
55	7
56	30
57	5
58	1
59	1
60	60
61	1
62	1
63	54
64	120
65	10
66	21
67	1
68	8
69	5
70	35
71	1
72	180
73	1
74	1
75	70
76	9
77	14
78	28
79	1