A050347 - cp's OEIS frontend

A050347 Number of ways to factor n into distinct factors with 2 levels of parentheses.

n	a(n)
1	1
2	1
3	1
4	1
5	1
6	4
7	1
8	4
9	1
10	4
11	1
12	10
13	1
14	4
15	4
16	7
17	1
18	10
19	1
20	10
21	4
22	4
23	1
24	26
25	1
26	4
27	4
28	10
29	1
30	22
31	1
32	14
33	4
34	4
35	4
36	34
37	1
38	4
39	4
40	26
41	1
42	22
43	1
44	10
45	10
46	4
47	1
48	63
49	1
50	10
51	4
52	10
53	1
54	26
55	4
56	26
57	4
58	4
59	1
60	74
61	1
62	4
63	10
64	29
65	4
66	22
67	1
68	10
69	4
70	22
71	1
72	105
73	1
74	4
75	10
76	10
77	4
78	22
79	1
80	63
81	7
82	4
83	1
84	74
85	4
86	4
87	4
88	26

[1, 1, 1, 1, 1, 4, 1, 4, 1, 4, 1, 10, 1, 4, 4, 7, 1, 10, 1, 10, 4, 4, 1, 26, 1, 4, 4, 10, 1, 22, 1, 14, 4, 4, 4, 34, 1, 4, 4, 26, 1, 22, 1, 10, 10, 4, 1, 63, 1, 10, 4, 10, 1, 26, 4, 26, 4, 4, 1, 74, 1, 4, 10, 29, 4, 22, 1, 10, 4, 22, 1, 105, 1, 4, 10, 10, 4, 22, 1, 63, 7, 4, 1, 74, 4, 4, 4, 26]

cp's OEIS Frontend

A050347 Number of ways to factor n into distinct factors with 2 levels of parentheses.

Table of values

List of values

n	a(n)
1	1
2	1
3	1
4	1
5	1
6	4
7	1
8	4
9	1
10	4
11	1
12	10
13	1
14	4
15	4
16	7
17	1
18	10
19	1
20	10
21	4
22	4
23	1
24	26
25	1
26	4
27	4
28	10
29	1
30	22
31	1
32	14
33	4
34	4
35	4
36	34
37	1
38	4
39	4
40	26
41	1
42	22
43	1
44	10
45	10
46	4
47	1
48	63
49	1
50	10
51	4
52	10
53	1
54	26
55	4
56	26
57	4
58	4
59	1
60	74
61	1
62	4
63	10
64	29
65	4
66	22
67	1
68	10
69	4
70	22
71	1
72	105
73	1
74	4
75	10
76	10
77	4
78	22
79	1
80	63
81	7
82	4
83	1
84	74
85	4
86	4
87	4
88	26

n	a(n)
1	1
2	1
3	1
4	1
5	1
6	4
7	1
8	4
9	1
10	4
11	1
12	10
13	1
14	4
15	4
16	7
17	1
18	10
19	1
20	10
21	4
22	4
23	1
24	26
25	1
26	4
27	4
28	10
29	1
30	22
31	1
32	14
33	4
34	4
35	4
36	34
37	1
38	4
39	4
40	26
41	1
42	22
43	1
44	10
45	10
46	4
47	1
48	63
49	1
50	10
51	4
52	10
53	1
54	26
55	4
56	26
57	4
58	4
59	1
60	74
61	1
62	4
63	10
64	29
65	4
66	22
67	1
68	10
69	4
70	22
71	1
72	105
73	1
74	4
75	10
76	10
77	4
78	22
79	1
80	63
81	7
82	4
83	1
84	74
85	4
86	4
87	4
88	26

n	a(n)
1	1
2	1
3	1
4	1
5	1
6	4
7	1
8	4
9	1
10	4
11	1
12	10
13	1
14	4
15	4
16	7
17	1
18	10
19	1
20	10
21	4
22	4
23	1
24	26
25	1
26	4
27	4
28	10
29	1
30	22
31	1
32	14
33	4
34	4
35	4
36	34
37	1
38	4
39	4
40	26
41	1
42	22
43	1
44	10
45	10
46	4
47	1
48	63
49	1
50	10
51	4
52	10
53	1
54	26
55	4
56	26
57	4
58	4
59	1
60	74
61	1
62	4
63	10
64	29
65	4
66	22
67	1
68	10
69	4
70	22
71	1
72	105
73	1
74	4
75	10
76	10
77	4
78	22
79	1
80	63
81	7
82	4
83	1
84	74
85	4
86	4
87	4
88	26