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A214819
as a simple table
n
a(n)
1
0
2
0
3
0
4
0
5
4
6
48
7
708
8
9807
9
119436
10
1355400
11
14561360
12
150429819
[0,0,0,0,4,48,708,9807,119436,1355400,14561360, 150429819]