A057091 as tables, graphs or sounds

A057091 formatted as a simple table:

`n`		`a(n)`
`0`		`1`
`1`		`8`
`2`		`72`
`3`		`640`
`4`		`5696`
`5`		`50688`
`6`		`451072`
`7`		`4014080`
`8`		`35721216`
`9`		`317882368`
`10`		`2828828672`
`11`		`25173688320`
`12`		`224020135936`
`13`		`1993550594048`
`14`		`17740565839872`
`15`		`157872931471360`
`16`		`1404907978489856`
`17`		`12502247279689728`
`18`		`111257242065436672`

[1,8,72,640,5696,50688,451072,4014080,35721216, 317882368,2828828672,25173688320,224020135936, 1993550594048,17740565839872,157872931471360, 1404907978489856,12502247279689728, 111257242065436672]

Last modified December 5 23:38 EST 2009. Contains 170428 sequences.

AT&T Labs Research