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A147389
as a simple table
n
a(n)
1
1
2
1
3
1
4
1
5
1
6
1
7
1
8
1
9
2
10
1
11
4
12
1
13
6
14
1
15
13
16
3
17
36
18
9
19
103
20
20
21
390
22
57
23
1676
24
190
25
7624
26
629
[1,1,1,1,1,1,1,1,2,1,4,1,6,1,13,3,36,9,103,20,390, 57,1676,190,7624,629]