A080243 as tables, graphs or sounds

A080243 formatted as a simple table:

`n`		`a(n)`
`0`		`1`
`1`		`-1`
`2`		`3`
`3`		`-11`
`4`		`45`
`5`		`-197`
`6`		`903`
`7`		`-4279`
`8`		`20793`
`9`		`-103049`
`10`		`518859`
`11`		`-2646723`
`12`		`13648869`
`13`		`-71039373`
`14`		`372693519`
`15`		`-1968801519`
`16`		`10463578353`
`17`		`-55909013009`
`18`		`300159426963`
`19`		`-1618362158587`
`20`		`8759309660445`

[1,-1,3,-11,45,-197,903,-4279,20793,-103049, 518859,-2646723,13648869,-71039373,372693519, -1968801519,10463578353,-55909013009,300159426963, -1618362158587,8759309660445]

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

AT&T Labs Research