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A147448
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
3
11
7
12
13
13
37
14
103
15
247
[1,1,1,1,1,1,1,1,1,3,7,13,37,103,247]