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A079188
as a simple table
n
a(n)
1
0
2
0
3
4
4
1
5
4
6
44
7
2285
8
0
9
0
10
0
11
24
12
64
13
212
14
35240
15
147088764
[0,0,4,1,4,44,2285,0,0,0,24,64,212,35240, 147088764]