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A147388
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
3
11
6
12
11
13
18
14
27
15
65
[1,1,1,1,1,1,1,1,2,3,6,11,18,27,65]