A007758 as tables, graphs or sounds

A007758 formatted as a simple table:

`n`		`a(n)`
`0`		`0`
`1`		`2`
`2`		`16`
`3`		`72`
`4`		`256`
`5`		`800`
`6`		`2304`
`7`		`6272`
`8`		`16384`
`9`		`41472`
`10`		`102400`
`11`		`247808`
`12`		`589824`
`13`		`1384448`
`14`		`3211264`
`15`		`7372800`
`16`		`16777216`
`17`		`37879808`
`18`		`84934656`
`19`		`189267968`
`20`		`419430400`
`21`		`924844032`
`22`		`2030043136`
`23`		`4437573632`
`24`		`9663676416`
`25`		`20971520000`

[0,2,16,72,256,800,2304,6272,16384,41472,102400, 247808,589824,1384448,3211264,7372800,16777216, 37879808,84934656,189267968,419430400,924844032, 2030043136,4437573632,9663676416,20971520000]

Last modified December 4 15:11 EST 2009. Contains 170347 sequences.

AT&T Labs Research