A032320 as tables, graphs or sounds

A032320 formatted as a simple table:

`n`		`a(n)`
`1`		`2`
`2`		`2`
`3`		`12`
`4`		`126`
`5`		`1800`
`6`		`33540`
`7`		`757680`
`8`		`20149290`
`9`		`616940520`
`10`		`21378058800`
`11`		`827126546400`
`12`		`35346832387020`
`13`		`1653593623521840`
`14`		`84055016334088800`
`15`		`4613207941230688800`
`16`		`271883701342581277950`

[2,2,12,126,1800,33540,757680,20149290,616940520, 21378058800,827126546400,35346832387020, 1653593623521840,84055016334088800, 4613207941230688800,271883701342581277950]

Last modified December 13 23:45 EST 2009. Contains 170824 sequences.

AT&T Labs Research