A032227 as tables, graphs or sounds

A032227 formatted as a simple table:

`n`		`a(n)`
`1`		`2`
`2`		`2`
`3`		`12`
`4`		`126`
`5`		`1800`
`6`		`33900`
`7`		`782880`
`8`		`21244650`
`9`		`666080520`
`10`		`23658839400`
`11`		`939138631200`
`12`		`41199513686100`
`13`		`1979493215099400`
`14`		`103374687069173520`
`15`		`5830290120994138800`
`16`		`353179917268637208750`

[2,2,12,126,1800,33900,782880,21244650,666080520, 23658839400,939138631200,41199513686100, 1979493215099400,103374687069173520, 5830290120994138800,353179917268637208750]

Last modified December 11 12:57 EST 2009. Contains 170656 sequences.

AT&T Labs Research