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A229155
as a simple table
n
a(n)
1
1
2
1
3
649
4
1
5
1
6
2
7
29
8
1
9
1
10
2
11
1
12
1
13
1
14
53
15
1872
16
3
17
5
[1,1,649,1,1,2,29,1,1,2,1,1,1,53,1872,3,5]