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A052444
as a simple table
n
a(n)
1
0
2
0
3
0
4
1
5
2
6
13
7
111
8
2004
9
66410
10
3902344
11
388624106
12
65142804740
[0,0,0,1,2,13,111,2004,66410,3902344,388624106, 65142804740]