A220114 - OEIS

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A220114 as a simple table

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

[-1,-1,-1,0,-1,1,-1,2,3,3,-1,5,-1,5,7,8,-1,9,-1, 11,11,9,-1,14,15,11,15,17,-1,19,-1,20,19,15,23,24, -1,17,23,27,-1,29,-1,29,31,21,-1,34,35,35,31,35, -1,39,39,41,35,27,-1,44,-1,29,47,48,47,49,-1,47, 43,53,-1,55,-1,35,55,53,59,59,-1,62]

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Last modified April 24 20:08 EDT 2024. Contains 371963 sequences. (Running on oeis4.)