A053257 - OEIS

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A053257 as a simple table

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

[1,0,1,-1,1,-1,2,-2,1,-1,2,-2,2,-2,2,-3,3,-2,3,-4, 4,-4,4,-5,5,-4,5,-6,6,-6,7,-8,7,-7,8,-9,10,-9,10, -12,11,-11,13,-14,14,-15,16,-17,17,-16,19,-21,20, -21,23,-25,25,-25,27,-29,30,-30,32,-35,35,-35,39, -41,41,-43,45,-49,50,-49,53,-57,58,-59,63,-67,68]

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Last modified September 13 11:30 EDT 2024. Contains 375905 sequences. (Running on oeis4.)