A326975 - cp's OEIS frontend

A326975 Number of factorizations of n into factors > 1 whose dual is a weak antichain.

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

[1, 1, 1, 2, 1, 2, 1, 3, 2, 2, 1, 2, 1, 2, 2, 5, 1, 2, 1, 2, 2, 2, 1, 3, 2, 2, 3, 2, 1, 5, 1, 7, 2, 2, 2, 9, 1, 2, 2, 3, 1, 5, 1, 2, 2, 2, 1, 5, 2, 2, 2, 2, 1, 3, 2, 3, 2, 2, 1, 4, 1, 2, 2, 11, 2, 5, 1, 2, 2, 5, 1, 12, 1, 2, 2, 2, 2, 5, 1, 5, 5, 2, 1, 4, 2, 2]

cp's OEIS Frontend

A326975 Number of factorizations of n into factors > 1 whose dual is a weak antichain.

Table of values

List of values

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

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

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