A013459 as tables, graphs or sounds

A013459 formatted as a simple table:

`n`		`a(n)`
`0`		`1`
`1`		`0`
`2`		`1`
`3`		`-4`
`4`		`9`
`5`		`-40`
`6`		`385`
`7`		`-2700`
`8`		`15505`
`9`		`-145360`
`10`		`1886625`
`11`		`-19796500`
`12`		`190881625`
`13`		`-2654379000`
`14`		`44269902625`
`15`		`-625468889500`
`16`		`8553276590625`
`17`		`-156119043652000`
`18`		`3194978818578625`
`19`		`-57041478987070500`

[1,0,1,-4,9,-40,385,-2700,15505,-145360,1886625, -19796500,190881625,-2654379000,44269902625, -625468889500,8553276590625,-156119043652000, 3194978818578625,-57041478987070500]

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

AT&T Labs Research