A006569 as tables, graphs or sounds

A006569 formatted as a simple table:

`n`		`a(n)`
`0`		`1`
`1`		`-1`
`2`		`1`
`3`		`1`
`4`		`-1`
`5`		`-5`
`6`		`-1`
`7`		`7`
`8`		`13`
`9`		`-307`
`10`		`-479`
`11`		`1837`
`12`		`100921`
`13`		`15587`
`14`		`-23737`
`15`		`-5729723`
`16`		`14731223`
`17`		`9129833`
`18`		`2722952839`
`19`		`-4700745901`
`20`		`-1556262845`
`21`		`190717213397`
`22`		`24684889339847`
`23`		`-50242799489`
`24`		`-148437433077277`
`25`		`-8592042383621`
`26`		`221844330989749`
`27`		`176585172615885307`
`28`		`-9245931549625447`

[1,-1,1,1,-1,-5,-1,7,13,-307,-479,1837,100921, 15587,-23737,-5729723,14731223,9129833,2722952839, -4700745901,-1556262845,190717213397, 24684889339847,-50242799489,-148437433077277, -8592042383621,221844330989749,176585172615885307, -9245931549625447]

Last modified November 30 13:13 EST 2009. Contains 167758 sequences.

AT&T Labs Research