A120691 as tables, graphs or sounds

A120691 formatted as a simple table:

`n`		`a(n)`
`0`		`2`
`1`		`-1`
`2`		`1`
`3`		`-1`
`4`		`0`
`5`		`3`
`6`		`-3`
`7`		`0`
`8`		`5`
`9`		`-5`
`10`		`0`
`11`		`7`
`12`		`-7`
`13`		`0`
`14`		`9`
`15`		`-9`
`16`		`0`
`17`		`11`
`18`		`-11`
`19`		`0`
`20`		`13`
`21`		`-13`
`22`		`0`
`23`		`15`
`24`		`-15`
`25`		`0`
`26`		`17`
`27`		`-17`
`28`		`0`
`29`		`19`
`30`		`-19`
`31`		`0`
`32`		`21`
`33`		`-21`
`34`		`0`
`35`		`23`
`36`		`-23`
`37`		`0`
`38`		`25`
`39`		`-25`
`40`		`0`
`41`		`27`
`42`		`-27`
`43`		`0`
`44`		`29`
`45`		`-29`
`46`		`0`
`47`		`31`
`48`		`-31`
`49`		`0`
`50`		`33`
`51`		`-33`
`52`		`0`
`53`		`35`
`54`		`-35`
`55`		`0`
`56`		`37`
`57`		`-37`
`58`		`0`
`59`		`39`
`60`		`-39`

[2,-1,1,-1,0,3,-3,0,5,-5,0,7,-7,0,9,-9,0,11,-11,0, 13,-13,0,15,-15,0,17,-17,0,19,-19,0,21,-21,0,23, -23,0,25,-25,0,27,-27,0,29,-29,0,31,-31,0,33,-33, 0,35,-35,0,37,-37,0,39,-39]

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

AT&T Labs Research