A002899 as tables, graphs or sounds

A002899 formatted as a simple table:

`n`		`a(n)`
`0`		`1`
`1`		`0`
`2`		`12`
`3`		`48`
`4`		`540`
`5`		`4320`
`6`		`42240`
`7`		`403200`
`8`		`4038300`
`9`		`40958400`
`10`		`423550512`
`11`		`4434978240`
`12`		`46982827584`
`13`		`502437551616`
`14`		`5417597053440`
`15`		`58831951546368`
`16`		`642874989479580`
`17`		`7063600894137216`
`18`		`77991775777488144`
`19`		`864910651813116480`

[1,0,12,48,540,4320,42240,403200,4038300,40958400, 423550512,4434978240,46982827584,502437551616, 5417597053440,58831951546368,642874989479580, 7063600894137216,77991775777488144, 864910651813116480]

Last modified December 3 22:15 EST 2009. Contains 170310 sequences.

AT&T Labs Research