A011631 - OEIS

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A011631 as a simple table

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

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

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Last modified April 25 07:41 EDT 2024. Contains 371964 sequences. (Running on oeis4.)