A156488
formatted as a simple table:
n
a(n)
4
6
5
0
6
78
7
163
8
58704
9
590400
10
202480300
11
9256081380
12
4014312232560
[6,0,78,163,58704,590400,202480300,9256081380, 4014312232560]
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(
njas@research.att.com
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Last modified December 18 21:37 EST 2009. Contains 171024 sequences.
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