A055350 as tables, graphs or sounds

A055350 formatted as a simple table:

`n`		`a(n)`
`4`		`8`
`5`		`220`
`6`		`4200`
`7`		`71400`
`8`		`1176000`
`9`		`19474560`
`10`		`330220800`
`11`		`5787936000`
`12`		`105380352000`
`13`		`1997835840000`
`14`		`39477236198400`
`15`		`813155511168000`
`16`		`17453093898240000`
`17`		`390070546145280000`
`18`		`9070029416448000000`
`19`		`219204470936715264000`

[8,220,4200,71400,1176000,19474560,330220800, 5787936000,105380352000,1997835840000, 39477236198400,813155511168000,17453093898240000, 390070546145280000,9070029416448000000, 219204470936715264000]

Last modified December 17 13:29 EST 2009. Contains 170826 sequences.

AT&T Labs Research