A137757 - OEIS

A137757 as a simple table

n	a(n)
1	2
2	2
3	3
4	6
5	5
6	3
7	4
8	12
9	7
10	12
11	7
12	4
13	5
14	20
15	9
16	30
17	31
18	20
19	9
20	5
21	6
22	30
23	11
24	60
25	49
26	60
27	49
28	30
29	11
30	6
31	7
32	42
33	13
34	105
35	71
36	140
37	209
38	105
39	71
40	42
41	13
42	7
43	8
44	56
45	15
46	168
47	97
48	280
49	351
50	280
51	351
52	168
53	97
54	56
55	15
56	8
57	9
58	72
59	17
60	252
61	127
62	504
63	545
64	630
65	1471

[2,2,3,6,5,3,4,12,7,12,7,4,5,20,9,30,31,20,9,5,6, 30,11,60,49,60,49,30,11,6,7,42,13,105,71,140,209, 105,71,42,13,7,8,56,15,168,97,280,351,280,351,168, 97,56,15,8,9,72,17,252,127,504,545,630,1471]