A050349 - cp's OEIS frontend

A050349 Number of ways to factor n into distinct factors with 3 levels of parentheses.

n	a(n)
1	1
2	1
3	1
4	1
5	1
6	5
7	1
8	5
9	1
10	5
11	1
12	15
13	1
14	5
15	5
16	11
17	1
18	15
19	1
20	15
21	5
22	5
23	1
24	45
25	1
26	5
27	5
28	15
29	1
30	35
31	1
32	25
33	5
34	5
35	5
36	65
37	1
38	5
39	5
40	45
41	1
42	35
43	1
44	15
45	15
46	5
47	1
48	130
49	1
50	15
51	5
52	15
53	1
54	45
55	5
56	45
57	5
58	5
59	1
60	145
61	1
62	5
63	15
64	60
65	5
66	35
67	1
68	15
69	5
70	35
71	1
72	240
73	1
74	5
75	15
76	15
77	5
78	35
79	1
80	130
81	11
82	5
83	1
84	145
85	5

[1, 1, 1, 1, 1, 5, 1, 5, 1, 5, 1, 15, 1, 5, 5, 11, 1, 15, 1, 15, 5, 5, 1, 45, 1, 5, 5, 15, 1, 35, 1, 25, 5, 5, 5, 65, 1, 5, 5, 45, 1, 35, 1, 15, 15, 5, 1, 130, 1, 15, 5, 15, 1, 45, 5, 45, 5, 5, 1, 145, 1, 5, 15, 60, 5, 35, 1, 15, 5, 35, 1, 240, 1, 5, 15, 15, 5, 35, 1, 130, 11, 5, 1, 145, 5]

cp's OEIS Frontend

A050349 Number of ways to factor n into distinct factors with 3 levels of parentheses.

Table of values

List of values

n	a(n)
1	1
2	1
3	1
4	1
5	1
6	5
7	1
8	5
9	1
10	5
11	1
12	15
13	1
14	5
15	5
16	11
17	1
18	15
19	1
20	15
21	5
22	5
23	1
24	45
25	1
26	5
27	5
28	15
29	1
30	35
31	1
32	25
33	5
34	5
35	5
36	65
37	1
38	5
39	5
40	45
41	1
42	35
43	1
44	15
45	15
46	5
47	1
48	130
49	1
50	15
51	5
52	15
53	1
54	45
55	5
56	45
57	5
58	5
59	1
60	145
61	1
62	5
63	15
64	60
65	5
66	35
67	1
68	15
69	5
70	35
71	1
72	240
73	1
74	5
75	15
76	15
77	5
78	35
79	1
80	130
81	11
82	5
83	1
84	145
85	5

n	a(n)
1	1
2	1
3	1
4	1
5	1
6	5
7	1
8	5
9	1
10	5
11	1
12	15
13	1
14	5
15	5
16	11
17	1
18	15
19	1
20	15
21	5
22	5
23	1
24	45
25	1
26	5
27	5
28	15
29	1
30	35
31	1
32	25
33	5
34	5
35	5
36	65
37	1
38	5
39	5
40	45
41	1
42	35
43	1
44	15
45	15
46	5
47	1
48	130
49	1
50	15
51	5
52	15
53	1
54	45
55	5
56	45
57	5
58	5
59	1
60	145
61	1
62	5
63	15
64	60
65	5
66	35
67	1
68	15
69	5
70	35
71	1
72	240
73	1
74	5
75	15
76	15
77	5
78	35
79	1
80	130
81	11
82	5
83	1
84	145
85	5

n	a(n)
1	1
2	1
3	1
4	1
5	1
6	5
7	1
8	5
9	1
10	5
11	1
12	15
13	1
14	5
15	5
16	11
17	1
18	15
19	1
20	15
21	5
22	5
23	1
24	45
25	1
26	5
27	5
28	15
29	1
30	35
31	1
32	25
33	5
34	5
35	5
36	65
37	1
38	5
39	5
40	45
41	1
42	35
43	1
44	15
45	15
46	5
47	1
48	130
49	1
50	15
51	5
52	15
53	1
54	45
55	5
56	45
57	5
58	5
59	1
60	145
61	1
62	5
63	15
64	60
65	5
66	35
67	1
68	15
69	5
70	35
71	1
72	240
73	1
74	5
75	15
76	15
77	5
78	35
79	1
80	130
81	11
82	5
83	1
84	145
85	5