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A079209
as a simple table
n
a(n)
1
0
2
0
3
3
4
0
5
0
6
3
7
9
8
0
9
0
10
0
11
3
12
0
13
0
14
16
15
39
[0,0,3,0,0,3,9,0,0,0,3,0,0,16,39]