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A002456 formatted as a simple table:

n a(n)
1 1
2 30
3 1260
4 75600
5 6237000
6 681080400
7 95351256000
8 16672848192000
9 3563821301040000
10 914714133933600000
11 277707211062240960000 

[1,30,1260,75600,6237000,681080400,95351256000,
 16672848192000,3563821301040000,
 914714133933600000,277707211062240960000]

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Last modified November 27 14:50 EST 2009. Contains 167570 sequences.

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