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A003839 formatted as a simple table:

n a(n)
1 3
2 28224
3 2317591180800
4 112554991177798901760000
5 52386144472825139642572263782154240000
6 14630778277213500974314928221817819519899234908241920000 

[3,28224,2317591180800,112554991177798901760000,
 52386144472825139642572263782154240000,
 14630778277213500974314928221817819519899234908241920000]

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

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