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A351588
as a simple table
n
a(n)
1
0
2
0
3
0
4
1
5
7
6
34
7
174
8
1079
9
7055
10
48796
11
366180
12
2928387
[0,0,0,1,7,34,174,1079,7055,48796,366180,2928387]