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A185193
as a simple table
n
a(n)
1
0
2
0
3
0
4
1
5
13
6
1499
7
257290
8
56150820
9
14971125930
[0,0,0,1,13,1499,257290,56150820,14971125930]
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Last modified May 24 22:42 EDT 2013. Contains 225631 sequences.
