A019999 as tables, graphs or sounds

A019999 formatted as a simple table:

`n`		`a(n)`
`0`		`4`
`1`		`36`
`2`		`384`
`3`		`4800`
`4`		`69120`
`5`		`1128960`
`6`		`20643840`
`7`		`418037760`
`8`		`9289728000`
`9`		`224811417600`
`10`		`5885971660800`
`11`		`165788201779200`
`12`		`4999151930572800`
`13`		`160687026339840000`
`14`		`5484783832399872000`
`15`		`198137815945445376000`

[4,36,384,4800,69120,1128960,20643840,418037760, 9289728000,224811417600,5885971660800, 165788201779200,4999151930572800, 160687026339840000,5484783832399872000, 198137815945445376000]

Last modified December 8 08:31 EST 2009. Contains 170430 sequences.

AT&T Labs Research