A009668 as tables, graphs or sounds

A009668 formatted as a simple table:

`n`		`a(n)`
`0`		`1`
`1`		`4`
`2`		`32`
`3`		`432`
`4`		`10752`
`5`		`504832`
`6`		`35418112`
`7`		`3115462656`
`8`		`333569720320`
`9`		`44698511474688`
`10`		`7574890049699840`
`11`		`1575934549490139136`
`12`		`387157222106970718208`
`13`		`110017544405171642040320`

[1,4,32,432,10752,504832,35418112,3115462656, 333569720320,44698511474688,7574890049699840, 1575934549490139136,387157222106970718208, 110017544405171642040320]

Last modified December 20 16:54 EST 2009. Contains 171081 sequences.

AT&T Labs Research