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A110104 formatted as a simple table:

n a(n)
0 1
1 4
2 3760
3 23504320
4 567399078400
5 37518268781593600
6 5543744611870143078400
7 1599334510537656091623424000
8 818296434784062385011283591168000 

[1,4,3760,23504320,567399078400,37518268781593600,
 5543744611870143078400,
 1599334510537656091623424000,
 818296434784062385011283591168000]

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Last modified December 2 11:54 EST 2009. Contains 167921 sequences.

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