A322435 - cp's OEIS frontend

A322435 Number of pairs of factorizations of n into factors > 1 where no factor of the second divides any factor of the first.

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

[1, 0, 0, 1, 0, 1, 0, 2, 1, 1, 0, 3, 0, 1, 1, 5, 0, 3, 0, 3, 1, 1, 0, 7, 1, 1, 2, 3, 0, 4, 0, 7, 1, 1, 1, 15, 0, 1, 1, 7, 0, 4, 0, 3, 3, 1, 0, 16, 1, 3, 1, 3, 0, 7, 1, 7, 1, 1, 0, 18, 0, 1, 3, 16, 1, 4, 0, 3, 1, 4, 0, 32, 0, 1, 3, 3, 1, 4, 0, 16, 5, 1, 0, 18, 1]

cp's OEIS Frontend

A322435 Number of pairs of factorizations of n into factors > 1 where no factor of the second divides any factor of the first.

Table of values

List of values

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

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

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