A099837 - OEIS

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A099837 as a simple table

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

[1,-1,-1,2,-1,-1,2,-1,-1,2,-1,-1,2,-1,-1,2,-1,-1, 2,-1,-1,2,-1,-1,2,-1,-1,2,-1,-1,2,-1,-1,2,-1,-1,2, -1,-1,2,-1,-1,2,-1,-1,2,-1,-1,2,-1,-1,2,-1,-1,2, -1,-1,2,-1,-1,2,-1,-1,2,-1,-1,2,-1,-1,2,-1,-1]

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Last modified April 25 16:45 EDT 2024. Contains 371989 sequences. (Running on oeis4.)