A050354 - cp's OEIS frontend

A050354 Number of ordered factorizations of n with one level of parentheses.

n	a(n)
1	1
2	1
3	1
4	3
5	1
6	5
7	1
8	9
9	3
10	5
11	1
12	21
13	1
14	5
15	5
16	27
17	1
18	21
19	1
20	21
21	5
22	5
23	1
24	81
25	3
26	5
27	9
28	21
29	1
30	37
31	1
32	81
33	5
34	5
35	5
36	111
37	1
38	5
39	5
40	81
41	1
42	37
43	1
44	21
45	21
46	5
47	1
48	297
49	3
50	21
51	5
52	21
53	1
54	81
55	5
56	81
57	5
58	5
59	1
60	201
61	1
62	5
63	21
64	243
65	5
66	37
67	1
68	21
69	5
70	37
71	1
72	513
73	1
74	5
75	21
76	21
77	5
78	37
79	1
80	297
81	27
82	5
83	1
84	201

[1, 1, 1, 3, 1, 5, 1, 9, 3, 5, 1, 21, 1, 5, 5, 27, 1, 21, 1, 21, 5, 5, 1, 81, 3, 5, 9, 21, 1, 37, 1, 81, 5, 5, 5, 111, 1, 5, 5, 81, 1, 37, 1, 21, 21, 5, 1, 297, 3, 21, 5, 21, 1, 81, 5, 81, 5, 5, 1, 201, 1, 5, 21, 243, 5, 37, 1, 21, 5, 37, 1, 513, 1, 5, 21, 21, 5, 37, 1, 297, 27, 5, 1, 201]

cp's OEIS Frontend

A050354 Number of ordered factorizations of n with one level of parentheses.

Table of values

List of values

n	a(n)
1	1
2	1
3	1
4	3
5	1
6	5
7	1
8	9
9	3
10	5
11	1
12	21
13	1
14	5
15	5
16	27
17	1
18	21
19	1
20	21
21	5
22	5
23	1
24	81
25	3
26	5
27	9
28	21
29	1
30	37
31	1
32	81
33	5
34	5
35	5
36	111
37	1
38	5
39	5
40	81
41	1
42	37
43	1
44	21
45	21
46	5
47	1
48	297
49	3
50	21
51	5
52	21
53	1
54	81
55	5
56	81
57	5
58	5
59	1
60	201
61	1
62	5
63	21
64	243
65	5
66	37
67	1
68	21
69	5
70	37
71	1
72	513
73	1
74	5
75	21
76	21
77	5
78	37
79	1
80	297
81	27
82	5
83	1
84	201

n	a(n)
1	1
2	1
3	1
4	3
5	1
6	5
7	1
8	9
9	3
10	5
11	1
12	21
13	1
14	5
15	5
16	27
17	1
18	21
19	1
20	21
21	5
22	5
23	1
24	81
25	3
26	5
27	9
28	21
29	1
30	37
31	1
32	81
33	5
34	5
35	5
36	111
37	1
38	5
39	5
40	81
41	1
42	37
43	1
44	21
45	21
46	5
47	1
48	297
49	3
50	21
51	5
52	21
53	1
54	81
55	5
56	81
57	5
58	5
59	1
60	201
61	1
62	5
63	21
64	243
65	5
66	37
67	1
68	21
69	5
70	37
71	1
72	513
73	1
74	5
75	21
76	21
77	5
78	37
79	1
80	297
81	27
82	5
83	1
84	201

n	a(n)
1	1
2	1
3	1
4	3
5	1
6	5
7	1
8	9
9	3
10	5
11	1
12	21
13	1
14	5
15	5
16	27
17	1
18	21
19	1
20	21
21	5
22	5
23	1
24	81
25	3
26	5
27	9
28	21
29	1
30	37
31	1
32	81
33	5
34	5
35	5
36	111
37	1
38	5
39	5
40	81
41	1
42	37
43	1
44	21
45	21
46	5
47	1
48	297
49	3
50	21
51	5
52	21
53	1
54	81
55	5
56	81
57	5
58	5
59	1
60	201
61	1
62	5
63	21
64	243
65	5
66	37
67	1
68	21
69	5
70	37
71	1
72	513
73	1
74	5
75	21
76	21
77	5
78	37
79	1
80	297
81	27
82	5
83	1
84	201