A209457 - OEIS

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A209457 as a simple table

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

[1,1,-1,-1,0,0,-1,-1,1,2,0,-2,0,2,0,-3,0,4,1,-4, -2,4,2,-5,-3,6,5,-5,-6,5,6,-7,-8,7,11,-5,-12,5,13, -6,-16,5,19,-3,-21,2,23,-2,-26,0,30,4,-32,-6,34,7, -39,-12,43,18]

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Last modified April 18 04:56 EDT 2024. Contains 371767 sequences. (Running on oeis4.)