A015504 as tables, graphs or sounds

A015504 formatted as a simple table:

`n`		`a(n)`
`0`		`1`
`1`		`-1`
`2`		`0`
`3`		`0`
`4`		`0`
`5`		`1`
`6`		`-1`
`7`		`0`
`8`		`0`
`9`		`0`
`10`		`1`
`11`		`-1`
`12`		`0`
`13`		`1`
`14`		`-1`
`15`		`1`
`16`		`-1`
`17`		`0`
`18`		`1`
`19`		`-1`
`20`		`1`
`21`		`-1`
`22`		`0`
`23`		`2`
`24`		`-2`
`25`		`1`
`26`		`0`
`27`		`-1`
`28`		`2`
`29`		`-2`
`30`		`1`
`31`		`0`
`32`		`-1`
`33`		`2`
`34`		`-2`
`35`		`1`
`36`		`1`
`37`		`-2`
`38`		`2`
`39`		`-1`
`40`		`0`
`41`		`1`
`42`		`-2`
`43`		`2`
`44`		`-1`
`45`		`0`
`46`		`2`
`47`		`-3`
`48`		`2`
`49`		`0`
`50`		`-1`
`51`		`2`
`52`		`-2`
`53`		`1`
`54`		`0`
`55`		`-1`
`56`		`2`
`57`		`-2`
`58`		`1`
`59`		`1`
`60`		`-2`
`61`		`2`
`62`		`-1`
`63`		`0`
`64`		`1`
`65`		`-2`
`66`		`2`
`67`		`-1`
`68`		`0`
`69`		`2`
`70`		`-3`
`71`		`2`
`72`		`0`
`73`		`-1`
`74`		`2`
`75`		`-2`
`76`		`1`
`77`		`0`
`78`		`-1`
`79`		`2`
`80`		`-2`

[1,-1,0,0,0,1,-1,0,0,0,1,-1,0,1,-1,1,-1,0,1,-1,1, -1,0,2,-2,1,0,-1,2,-2,1,0,-1,2,-2,1,1,-2,2,-1,0,1, -2,2,-1,0,2,-3,2,0,-1,2,-2,1,0,-1,2,-2,1,1,-2,2, -1,0,1,-2,2,-1,0,2,-3,2,0,-1,2,-2,1,0,-1,2,-2]

Last modified November 27 22:38 EST 2009. Contains 167602 sequences.

AT&T Labs Research