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A147214
as a simple table
n
a(n)
1
1
2
1
3
1
4
1
5
1
6
1
7
1
8
1
9
1
10
1
11
3
12
3
13
9
14
9
15
23
16
23
17
55
18
55
19
315
20
315
21
2117
22
2117
23
14227
[1,1,1,1,1,1,1,1,1,1,3,3,9,9,23,23,55,55,315,315, 2117,2117,14227]