A012680 as tables, graphs or sounds

A012680 formatted as a simple table:

`n`		`a(n)`
`0`		`2`
`1`		`-16`
`2`		`80`
`3`		`14464`
`4`		`-1682432`
`5`		`76011520`
`6`		`26175092736`
`7`		`-10889734127616`
`8`		`1790915255599104`
`9`		`628448342217064448`
`10`		`-708415309969044275200`
`11`		`277815404352915818676224`
`12`		`89144743290434384702734336`

[2,-16,80,14464,-1682432,76011520,26175092736, -10889734127616,1790915255599104, 628448342217064448,-708415309969044275200, 277815404352915818676224, 89144743290434384702734336]

Last modified December 1 19:22 EST 2009. Contains 167811 sequences.

AT&T Labs Research