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A324014
as a simple table
n
a(n)
0
1
1
0
2
1
3
1
4
2
5
3
6
9
7
16
8
43
9
89
10
250
11
571
12
1639
[1,0,1,1,2,3,9,16,43,89,250,571,1639]
