A110243 - OEIS

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A110243 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`2`
`2`		`-1`
`3`		`-1`
`4`		`5`
`5`		`1`
`6`		`-1`
`7`		`-1`
`8`		`1`
`9`		`7`
`10`		`-1`
`11`		`-1`
`12`		`1`
`13`		`1`
`14`		`-1`
`15`		`-1`
`16`		`17`
`17`		`1`
`18`		`-1`
`19`		`-1`
`20`		`1`
`21`		`1`
`22`		`-1`
`23`		`-1`
`24`		`1`
`25`		`21`
`26`		`-1`
`27`		`-1`
`28`		`1`
`29`		`1`
`30`		`-1`
`31`		`-1`
`32`		`1`
`33`		`1`
`34`		`-1`
`35`		`-1`
`36`		`25`
`37`		`1`
`38`		`-1`
`39`		`-1`
`40`		`1`
`41`		`1`
`42`		`-1`
`43`		`-1`
`44`		`1`
`45`		`1`
`46`		`-1`
`47`		`-1`
`48`		`1`
`49`		`43`
`50`		`-1`
`51`		`-1`
`52`		`1`
`53`		`1`
`54`		`-1`
`55`		`-1`
`56`		`1`
`57`		`1`
`58`		`-1`
`59`		`-1`
`60`		`1`
`61`		`1`
`62`		`-1`
`63`		`-1`
`64`		`65`
`65`		`1`
`66`		`-1`
`67`		`-1`
`68`		`1`
`69`		`1`
`70`		`-1`
`71`		`-1`
`72`		`1`
`73`		`1`
`74`		`-1`
`75`		`-1`
`76`		`1`
`77`		`1`
`78`		`-1`
`79`		`-1`
`80`		`1`
`81`		`55`
`82`		`-1`
`83`		`-1`
`84`		`1`
`85`		`1`
`86`		`-1`
`87`		`-1`
`88`		`1`
`89`		`1`
`90`		`-1`
`91`		`-1`
`92`		`1`
`93`		`1`
`94`		`-1`
`95`		`-1`
`96`		`1`
`97`		`1`
`98`		`-1`
`99`		`-1`

[1,2,-1,-1,5,1,-1,-1,1,7,-1,-1,1,1,-1,-1,17,1,-1, -1,1,1,-1,-1,1,21,-1,-1,1,1,-1,-1,1,1,-1,-1,25,1, -1,-1,1,1,-1,-1,1,1,-1,-1,1,43,-1,-1,1,1,-1,-1,1, 1,-1,-1,1,1,-1,-1,65,1,-1,-1,1,1,-1,-1,1,1,-1,-1, 1,1,-1,-1,1,55,-1,-1,1,1,-1,-1,1,1,-1,-1,1,1,-1, -1,1,1,-1,-1]

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Last modified August 3 23:57 EDT 2024. Contains 374905 sequences. (Running on oeis4.)