A327658 - cp's OEIS frontend

A327658 Number of factorizations of n that are empty or whose factors have a common divisor > 1.

n	a(n)
1	1
2	1
3	1
4	2
5	1
6	1
7	1
8	3
9	2
10	1
11	1
12	2
13	1
14	1
15	1
16	5
17	1
18	2
19	1
20	2
21	1
22	1
23	1
24	4
25	2
26	1
27	3
28	2
29	1
30	1
31	1
32	7
33	1
34	1
35	1
36	4
37	1
38	1
39	1
40	4
41	1
42	1
43	1
44	2
45	2
46	1
47	1
48	7
49	2
50	2
51	1
52	2
53	1
54	4
55	1
56	4
57	1
58	1
59	1
60	3
61	1
62	1
63	2
64	11
65	1
66	1
67	1
68	2
69	1
70	1
71	1
72	7
73	1
74	1
75	2
76	2
77	1
78	1
79	1
80	7
81	5
82	1
83	1
84	3
85	1
86	1
87	1

[1, 1, 1, 2, 1, 1, 1, 3, 2, 1, 1, 2, 1, 1, 1, 5, 1, 2, 1, 2, 1, 1, 1, 4, 2, 1, 3, 2, 1, 1, 1, 7, 1, 1, 1, 4, 1, 1, 1, 4, 1, 1, 1, 2, 2, 1, 1, 7, 2, 2, 1, 2, 1, 4, 1, 4, 1, 1, 1, 3, 1, 1, 2, 11, 1, 1, 1, 2, 1, 1, 1, 7, 1, 1, 2, 2, 1, 1, 1, 7, 5, 1, 1, 3, 1, 1, 1]

cp's OEIS Frontend

A327658 Number of factorizations of n that are empty or whose factors have a common divisor > 1.

Table of values

List of values

n	a(n)
1	1
2	1
3	1
4	2
5	1
6	1
7	1
8	3
9	2
10	1
11	1
12	2
13	1
14	1
15	1
16	5
17	1
18	2
19	1
20	2
21	1
22	1
23	1
24	4
25	2
26	1
27	3
28	2
29	1
30	1
31	1
32	7
33	1
34	1
35	1
36	4
37	1
38	1
39	1
40	4
41	1
42	1
43	1
44	2
45	2
46	1
47	1
48	7
49	2
50	2
51	1
52	2
53	1
54	4
55	1
56	4
57	1
58	1
59	1
60	3
61	1
62	1
63	2
64	11
65	1
66	1
67	1
68	2
69	1
70	1
71	1
72	7
73	1
74	1
75	2
76	2
77	1
78	1
79	1
80	7
81	5
82	1
83	1
84	3
85	1
86	1
87	1

n	a(n)
1	1
2	1
3	1
4	2
5	1
6	1
7	1
8	3
9	2
10	1
11	1
12	2
13	1
14	1
15	1
16	5
17	1
18	2
19	1
20	2
21	1
22	1
23	1
24	4
25	2
26	1
27	3
28	2
29	1
30	1
31	1
32	7
33	1
34	1
35	1
36	4
37	1
38	1
39	1
40	4
41	1
42	1
43	1
44	2
45	2
46	1
47	1
48	7
49	2
50	2
51	1
52	2
53	1
54	4
55	1
56	4
57	1
58	1
59	1
60	3
61	1
62	1
63	2
64	11
65	1
66	1
67	1
68	2
69	1
70	1
71	1
72	7
73	1
74	1
75	2
76	2
77	1
78	1
79	1
80	7
81	5
82	1
83	1
84	3
85	1
86	1
87	1

n	a(n)
1	1
2	1
3	1
4	2
5	1
6	1
7	1
8	3
9	2
10	1
11	1
12	2
13	1
14	1
15	1
16	5
17	1
18	2
19	1
20	2
21	1
22	1
23	1
24	4
25	2
26	1
27	3
28	2
29	1
30	1
31	1
32	7
33	1
34	1
35	1
36	4
37	1
38	1
39	1
40	4
41	1
42	1
43	1
44	2
45	2
46	1
47	1
48	7
49	2
50	2
51	1
52	2
53	1
54	4
55	1
56	4
57	1
58	1
59	1
60	3
61	1
62	1
63	2
64	11
65	1
66	1
67	1
68	2
69	1
70	1
71	1
72	7
73	1
74	1
75	2
76	2
77	1
78	1
79	1
80	7
81	5
82	1
83	1
84	3
85	1
86	1
87	1