A355737 - cp's OEIS frontend

A355737 Number of ways to choose a sequence of divisors, one of each prime index of n (with multiplicity), such that the result has no common divisor > 1.

n	a(n)
1	0
2	1
3	1
4	1
5	1
6	2
7	1
8	1
9	3
10	2
11	1
12	2
13	1
14	3
15	4
16	1
17	1
18	4
19	1
20	2
21	4
22	2
23	1
24	2
25	3
26	4
27	7
28	3
29	1
30	4
31	1
32	1
33	4
34	2
35	6
36	4
37	1
38	4
39	6
40	2
41	1
42	6
43	1
44	2
45	8
46	3
47	1
48	2
49	5
50	4
51	4
52	4
53	1
54	8
55	4
56	3
57	5
58	4
59	1
60	4
61	1
62	2
63	10
64	1
65	6
66	4
67	1
68	2
69	6
70	6
71	1
72	4
73	1
74	6
75	8
76	4
77	6
78	8
79	1
80	2
81	15
82	2
83	1
84	6
85	4
86	4

[0, 1, 1, 1, 1, 2, 1, 1, 3, 2, 1, 2, 1, 3, 4, 1, 1, 4, 1, 2, 4, 2, 1, 2, 3, 4, 7, 3, 1, 4, 1, 1, 4, 2, 6, 4, 1, 4, 6, 2, 1, 6, 1, 2, 8, 3, 1, 2, 5, 4, 4, 4, 1, 8, 4, 3, 5, 4, 1, 4, 1, 2, 10, 1, 6, 4, 1, 2, 6, 6, 1, 4, 1, 6, 8, 4, 6, 8, 1, 2, 15, 2, 1, 6, 4, 4]

cp's OEIS Frontend

A355737 Number of ways to choose a sequence of divisors, one of each prime index of n (with multiplicity), such that the result has no common divisor > 1.

Table of values

List of values

n	a(n)
1	0
2	1
3	1
4	1
5	1
6	2
7	1
8	1
9	3
10	2
11	1
12	2
13	1
14	3
15	4
16	1
17	1
18	4
19	1
20	2
21	4
22	2
23	1
24	2
25	3
26	4
27	7
28	3
29	1
30	4
31	1
32	1
33	4
34	2
35	6
36	4
37	1
38	4
39	6
40	2
41	1
42	6
43	1
44	2
45	8
46	3
47	1
48	2
49	5
50	4
51	4
52	4
53	1
54	8
55	4
56	3
57	5
58	4
59	1
60	4
61	1
62	2
63	10
64	1
65	6
66	4
67	1
68	2
69	6
70	6
71	1
72	4
73	1
74	6
75	8
76	4
77	6
78	8
79	1
80	2
81	15
82	2
83	1
84	6
85	4
86	4

n	a(n)
1	0
2	1
3	1
4	1
5	1
6	2
7	1
8	1
9	3
10	2
11	1
12	2
13	1
14	3
15	4
16	1
17	1
18	4
19	1
20	2
21	4
22	2
23	1
24	2
25	3
26	4
27	7
28	3
29	1
30	4
31	1
32	1
33	4
34	2
35	6
36	4
37	1
38	4
39	6
40	2
41	1
42	6
43	1
44	2
45	8
46	3
47	1
48	2
49	5
50	4
51	4
52	4
53	1
54	8
55	4
56	3
57	5
58	4
59	1
60	4
61	1
62	2
63	10
64	1
65	6
66	4
67	1
68	2
69	6
70	6
71	1
72	4
73	1
74	6
75	8
76	4
77	6
78	8
79	1
80	2
81	15
82	2
83	1
84	6
85	4
86	4

n	a(n)
1	0
2	1
3	1
4	1
5	1
6	2
7	1
8	1
9	3
10	2
11	1
12	2
13	1
14	3
15	4
16	1
17	1
18	4
19	1
20	2
21	4
22	2
23	1
24	2
25	3
26	4
27	7
28	3
29	1
30	4
31	1
32	1
33	4
34	2
35	6
36	4
37	1
38	4
39	6
40	2
41	1
42	6
43	1
44	2
45	8
46	3
47	1
48	2
49	5
50	4
51	4
52	4
53	1
54	8
55	4
56	3
57	5
58	4
59	1
60	4
61	1
62	2
63	10
64	1
65	6
66	4
67	1
68	2
69	6
70	6
71	1
72	4
73	1
74	6
75	8
76	4
77	6
78	8
79	1
80	2
81	15
82	2
83	1
84	6
85	4
86	4