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A252056
as a simple table
n
a(n)
1
0
2
1
3
0
4
13
5
0
6
73
7
0
8
106
9
9064940
10
4001
11
0
12
396
13
0
[0,1,0,13,0,73,0,106,9064940,4001,0,396,0]