A163808 - OEIS

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A163808 as a simple table

n	a(n)
1	2
2	2
3	10
4	4
5	10
6	10
7	42
8	8
9	18
10	10
11	42
12	20
13	42
14	42
15	170
16	16
17	34
18	18
19	74
20	20
21	42
22	42
23	170
24	40
25	82
26	42
27	170
28	84
29	170
30	170
31	682
32	32
33	66
34	34
35	138
36	36
37	74
38	74
39	298
40	40
41	82
42	42
43	170
44	84
45	170
46	170
47	682
48	80
49	162
50	82
51	330
52	84
53	170
54	170
55	682
56	168
57	338
58	170
59	682
60	340
61	682
62	682
63	2730

[2,2,10,4,10,10,42,8,18,10,42,20,42,42,170,16,34, 18,74,20,42,42,170,40,82,42,170,84,170,170,682,32, 66,34,138,36,74,74,298,40,82,42,170,84,170,170, 682,80,162,82,330,84,170,170,682,168,338,170,682, 340,682,682,2730]