A125725 as tables, graphs or sounds

A125725 formatted as a simple table:

`n`		`a(n)`
`0`		`0`
`1`		`2`
`2`		`16`
`3`		`114`
`4`		`800`
`5`		`5602`
`6`		`39216`
`7`		`274514`
`8`		`1921600`
`9`		`13451202`
`10`		`94158416`
`11`		`659108914`
`12`		`4613762400`
`13`		`32296336802`
`14`		`226074357616`
`15`		`1582520503314`
`16`		`11077643523200`
`17`		`77543504662402`
`18`		`542804532636816`
`19`		`3799631728457714`
`20`		`26597422099204000`

[0,2,16,114,800,5602,39216,274514,1921600, 13451202,94158416,659108914,4613762400, 32296336802,226074357616,1582520503314, 11077643523200,77543504662402,542804532636816, 3799631728457714,26597422099204000]

Last modified December 15 00:47 EST 2009. Contains 170825 sequences.

AT&T Labs Research