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A324095
as a simple table
n
a(n)
1
0
2
0
3
0
4
0
5
0
6
0
7
0
8
0
9
0
10
0
11
1
12
7
13
264
14
414048
15
9508367572
[0,0,0,0,0,0,0,0,0,0,1,7,264,414048,9508367572]
