A054851 as tables, graphs or sounds

A054851 formatted as a simple table:

`n`		`a(n)`
`7`		`1`
`8`		`16`
`9`		`144`
`10`		`960`
`11`		`5280`
`12`		`25344`
`13`		`109824`
`14`		`439296`
`15`		`1647360`
`16`		`5857280`
`17`		`19914752`
`18`		`65175552`
`19`		`206389248`
`20`		`635043840`
`21`		`1905131520`
`22`		`5588385792`
`23`		`16066609152`
`24`		`45364543488`
`25`		`126012620800`
`26`		`344876646400`
`27`		`931166945280`
`28`		`2483111854080`

[1,16,144,960,5280,25344,109824,439296,1647360, 5857280,19914752,65175552,206389248,635043840, 1905131520,5588385792,16066609152,45364543488, 126012620800,344876646400,931166945280, 2483111854080]

Last modified November 29 12:46 EST 2009. Contains 167659 sequences.

AT&T Labs Research