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A011786 formatted as a simple table:

n a(n)
1 1
2 20160
3 12130560
4 660602880
5 29016000000
6 244552089600
7 4635182361600
8 21646635171840
9 174060277297920
10 584962560000000
11 4139330225184000
12 8013482872012800
13 50858076935877120
14 93445276409856000

[1,20160,12130560,660602880,29016000000,
 244552089600,4635182361600,21646635171840,
 174060277297920,584962560000000,4139330225184000,
 8013482872012800,50858076935877120,
 93445276409856000]

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Last modified December 9 14:43 EST 2009. Contains 170430 sequences.


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