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A006903 formatted as a simple table:

n a(n)
0 0
1 0
2 0
3 10
4 3360
5 1829520
6 2010023400
7 3622767548400
8 9820308795897600
9 38117776055769009600
10 204209112522362230483200 

[0,0,0,10,3360,1829520,2010023400,3622767548400,
 9820308795897600,38117776055769009600,
 204209112522362230483200]

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Last modified December 4 23:11 EST 2009. Contains 170347 sequences.

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