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A243567
as a simple table
n
a(n)
1
1
2
1
3
2
4
4
5
10
6
36
7
141
8
784
9
5626
10
56249
11
774266
12
14750595
[1,1,2,4,10,36,141,784,5626,56249,774266,14750595]