A001569 as tables, graphs or sounds

A001569 formatted as a simple table:

`n`		`a(n)`
`0`		`1`
`1`		`-1`
`2`		`-1`
`3`		`2`
`4`		`37`
`5`		`329`
`6`		`1501`
`7`		`-31354`
`8`		`-1451967`
`9`		`-39284461`
`10`		`-737652869`
`11`		`560823394`
`12`		`1103386777549`
`13`		`82520245792997`
`14`		`4398448305245905`
`15`		`168910341581721494`
`16`		`998428794798272641`
`17`		`-720450682719825322809`
`18`		`-105099789680808769094057`
`19`		`-10594247095804692725600734`

[1,-1,-1,2,37,329,1501,-31354,-1451967,-39284461, -737652869,560823394,1103386777549,82520245792997, 4398448305245905,168910341581721494, 998428794798272641,-720450682719825322809, -105099789680808769094057, -10594247095804692725600734]

Last modified December 4 23:11 EST 2009. Contains 170347 sequences.

AT&T Labs Research