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A356187
as a simple table
n
a(n)
1
1
2
1
3
0
4
0
5
0
6
2
7
2
8
6
9
4
10
24
11
6
12
162
13
330
14
1428
15
1632
[1,1,0,0,0,2,2,6,4,24,6,162,330,1428,1632]