A002884 as tables, graphs or sounds

A002884 formatted as a simple table:

`n`		`a(n)`
`0`		`1`
`1`		`1`
`2`		`6`
`3`		`168`
`4`		`20160`
`5`		`9999360`
`6`		`20158709760`
`7`		`163849992929280`
`8`		`5348063769211699200`
`9`		`699612310033197642547200`
`10`		`366440137299948128422802227200`
`11`		`768105432118265670534631586896281600`

[1,1,6,168,20160,9999360,20158709760, 163849992929280,5348063769211699200, 699612310033197642547200, 366440137299948128422802227200, 768105432118265670534631586896281600]

Last modified December 20 00:58 EST 2009. Contains 171054 sequences.

AT&T Labs Research