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A326208
as a simple table
n
a(n)
0
0
1
1
2
0
3
1
4
10
5
218
6
10078
7
896756
8
151676112
9
47754337568
10
28229412456056
11
31665593711174080
[0,1,0,1,10,218,10078,896756,151676112, 47754337568,28229412456056,31665593711174080]