A003139 - OEIS

A003139 as a simple table

n	a(n)
1	1
2	1
3	1
4	1
5	2
6	1
7	3
8	1
9	3
10	2
11	9
12	1
13	10
14	2
15	4
16	3
17	19
18	1
19	20
20	2
21	6
22	4
23	32
24	1
25	21
26	7
27	16
28	7
29	84
30	1
31	85
32	9
33	18
34	11
35	35
36	3
37	161
38	15
39	30
40	6
41	212
42	2
43	214
44	15
45	12
46	19
47	260
48	3
49	154
50	11
51	62
52	31
53	521
54	5
55	129
56	19
57	90
58	54
59	818
60	2
61	820
62	54
63	44
64	57
65	207
66	7
67	1189
68	62
69	147
70	8
71	1406

[1,1,1,1,2,1,3,1,3,2,9,1,10,2,4,3,19,1,20,2,6,4, 32,1,21,7,16,7,84,1,85,9,18,11,35,3,161,15,30,6, 212,2,214,15,12,19,260,3,154,11,62,31,521,5,129, 19,90,54,818,2,820,54,44,57,207,7,1189,62,147,8, 1406]