A002427 as tables, graphs or sounds

A002427 formatted as a simple table:

`n`		`a(n)`
`0`		`1`
`1`		`1`
`2`		`-1`
`3`		`1`
`4`		`-3`
`5`		`5`
`6`		`-691`
`7`		`35`
`8`		`-3617`
`9`		`43867`
`10`		`-1222277`
`11`		`854513`
`12`		`-1181820455`
`13`		`76977927`
`14`		`-23749461029`
`15`		`8615841276005`
`16`		`-84802531453387`
`17`		`90219075042845`
`18`		`-26315271553053477373`
`19`		`38089920879940267`
`20`		`-261082718496449122051`
`21`		`1520097643918070802691`

[1,1,-1,1,-3,5,-691,35,-3617,43867,-1222277, 854513,-1181820455,76977927,-23749461029, 8615841276005,-84802531453387,90219075042845, -26315271553053477373,38089920879940267, -261082718496449122051,1520097643918070802691]

Last modified December 17 13:29 EST 2009. Contains 170826 sequences.

AT&T Labs Research