A223486 - OEIS

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A223486 as a simple table

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

[0,0,2,3,-1,6,4,-1,6,-1,5,-1,-1,12,-1,-1,-1,6,9, -1,-1,15,12,-1,-1,-1,18,-1,7,-1,15,-1,-1,-1,-1,-1, -1,9,-1,-1,10,-1,22,15,-1,12,8,-1,28,-1,-1,-1,-1, 18,-1,-1,-1,21,29,-1,-1,15,-1,-1,-1,-1,34,-1]

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Last modified April 19 08:45 EDT 2024. Contains 371782 sequences. (Running on oeis4.)