A053507 as tables, graphs or sounds

A053507 formatted as a simple table:

`n`		`a(n)`
`1`		`0`
`2`		`0`
`3`		`1`
`4`		`12`
`5`		`150`
`6`		`2160`
`7`		`36015`
`8`		`688128`
`9`		`14880348`
`10`		`360000000`
`11`		`9646149645`
`12`		`283787919360`
`13`		`9098660462034`
`14`		`315866083233792`
`15`		`11806916748046875`
`16`		`472877960873902080`
`17`		`20205339187128111480`
`18`		`917543123840934346752`
`19`		`44131536275846038655193`

[0,0,1,12,150,2160,36015,688128,14880348, 360000000,9646149645,283787919360,9098660462034, 315866083233792,11806916748046875, 472877960873902080,20205339187128111480, 917543123840934346752,44131536275846038655193]

Last modified December 11 12:57 EST 2009. Contains 170656 sequences.

AT&T Labs Research