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A181014
as a simple table
n
a(n)
1
0
2
0
3
0
4
0
5
0
6
1
7
144
8
10251
9
1452733
10
403935677
11
256514525924
12
404979395412269
[0,0,0,0,0,1,144,10251,1452733,403935677, 256514525924,404979395412269]