A257656 - OEIS

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A257656 as a simple table

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

[1,1,-1,1,-1,-4,-1,-6,-1,1,4,12,-1,14,6,-4,-1,-16, -1,-18,4,-6,-12,24,-1,21,-14,1,6,-28,4,-30,-1,12, 16,24,-1,38,18,14,4,-40,6,-42,-12,-4,-24,48,-1,43, -21,-16,-14,-52,-1,-48,6,-18,28,60,4,62,30,-6,-1]

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Last modified April 19 11:31 EDT 2024. Contains 371792 sequences. (Running on oeis4.)