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A039668
as a simple table
n
a(n)
0
1
1
0
2
6
3
5
4
20
5
17
6
56
7
45
8
156
9
115
10
344
11
85
12
356
13
125
[1,0,6,5,20,17,56,45,156,115,344,85,356,125]