A067408 as tables, graphs or sounds

A067408 formatted as a simple table:

`n`		`a(n)`
`0`		`1`
`1`		`15`
`2`		`960`
`3`		`61440`
`4`		`3932160`
`5`		`251658240`
`6`		`16106127360`
`7`		`1030792151040`
`8`		`65970697666560`
`9`		`4222124650659840`
`10`		`270215977642229760`
`11`		`17293822569102704640`
`12`		`1106804644422573096960`
`13`		`70835497243044678205440`

[1,15,960,61440,3932160,251658240,16106127360, 1030792151040,65970697666560,4222124650659840, 270215977642229760,17293822569102704640, 1106804644422573096960,70835497243044678205440]

Last modified December 8 08:31 EST 2009. Contains 170430 sequences.

AT&T Labs Research