A082139 as tables, graphs or sounds

A082139 formatted as a simple table:

`n`		`a(n)`
`0`		`1`
`1`		`6`
`2`		`42`
`3`		`224`
`4`		`1008`
`5`		`4032`
`6`		`14784`
`7`		`50688`
`8`		`164736`
`9`		`512512`
`10`		`1537536`
`11`		`4472832`
`12`		`12673024`
`13`		`35094528`
`14`		`95256576`
`15`		`254017536`
`16`		`666796032`
`17`		`1725825024`
`18`		`4410441728`
`19`		`11142168576`
`20`		`27855421440`
`21`		`68975329280`
`22`		`169303080960`
`23`		`412216197120`

[1,6,42,224,1008,4032,14784,50688,164736,512512, 1537536,4472832,12673024,35094528,95256576, 254017536,666796032,1725825024,4410441728, 11142168576,27855421440,68975329280,169303080960, 412216197120]

Last modified November 30 13:13 EST 2009. Contains 167758 sequences.

AT&T Labs Research