A050356 - cp's OEIS frontend

A050356 Number of ordered factorizations of n with 2 levels of parentheses.

n	a(n)
1	1
2	1
3	1
4	4
5	1
6	7
7	1
8	16
9	4
10	7
11	1
12	40
13	1
14	7
15	7
16	64
17	1
18	40
19	1
20	40
21	7
22	7
23	1
24	208
25	4
26	7
27	16
28	40
29	1
30	73
31	1
32	256
33	7
34	7
35	7
36	292
37	1
38	7
39	7
40	208
41	1
42	73
43	1
44	40
45	40
46	7
47	1
48	1024
49	4
50	40
51	7
52	40
53	1
54	208
55	7
56	208
57	7
58	7
59	1
60	544
61	1
62	7
63	40
64	1024
65	7
66	73
67	1
68	40
69	7
70	73
71	1
72	1840
73	1
74	7
75	40
76	40
77	7
78	73
79	1

[1, 1, 1, 4, 1, 7, 1, 16, 4, 7, 1, 40, 1, 7, 7, 64, 1, 40, 1, 40, 7, 7, 1, 208, 4, 7, 16, 40, 1, 73, 1, 256, 7, 7, 7, 292, 1, 7, 7, 208, 1, 73, 1, 40, 40, 7, 1, 1024, 4, 40, 7, 40, 1, 208, 7, 208, 7, 7, 1, 544, 1, 7, 40, 1024, 7, 73, 1, 40, 7, 73, 1, 1840, 1, 7, 40, 40, 7, 73, 1]

cp's OEIS Frontend

A050356 Number of ordered factorizations of n with 2 levels of parentheses.

Table of values

List of values