A015227 as tables, graphs or sounds

A015227 formatted as a simple table:

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

[1,1,0,-1,-1,0,1,0,-1,-1,0,1,1,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,-1,-1,0,1,1,0,-1,0,1,1,0,-1,-1,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,1,0,-1,-1,0,1,0,-1, -1,0,1,1,0,0,0,0,0,0,0,0,0,0]

Last modified December 15 00:47 EST 2009. Contains 170825 sequences.

AT&T Labs Research