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A059072
as a simple table
n
a(n)
0
1
1
0
2
1
3
10
4
297
5
13756
6
925705
7
85394646
8
10351036465
9
1596005408152
[1,0,1,10,297,13756,925705,85394646,10351036465, 1596005408152]