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A147391
as a simple table
n
a(n)
1
1
2
1
3
1
4
1
5
1
6
9
7
13
8
37
9
78
10
329
11
1384
12
8131
13
38082
14
266677
15
1697877
[1,1,1,1,1,9,13,37,78,329,1384,8131,38082,266677, 1697877]