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A320574
as a simple table
n
a(n)
1
1
2
1
3
2
4
1
5
1
6
3
7
6
8
4
9
4
10
2
11
6
12
3
13
18
14
9
[1,1,2,1,1,3,6,4,4,2,6,3,18,9]
