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A001439
as a simple table
n
a(n)
3
0
4
0
5
0
6
0
7
1
8
0
9
1
10
1
11
1
12
3
13
7
14
1
15
120
16
398
[0,0,0,0,1,0,1,1,1,3,7,1,120,398]
