A135347 - OEIS

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A135347 as a simple table

`n`		`a(n)`
`1`		`1`
`2`		`3`
`3`		`4`
`4`		`5`
`5`		`-1`
`6`		`7`
`7`		`8`
`8`		`9`
`9`		`-1`
`10`		`11`
`11`		`-1`
`12`		`13`
`13`		`-1`
`14`		`24`
`15`		`16`
`16`		`17`
`17`		`-1`
`18`		`19`
`19`		`-1`
`20`		`33`
`21`		`-1`
`22`		`23`
`23`		`-1`
`24`		`25`
`25`		`-1`
`26`		`27`
`27`		`-1`
`28`		`29`
`29`		`-1`
`30`		`31`
`31`		`32`
`32`		`45`
`33`		`-1`
`34`		`-1`
`35`		`-1`
`36`		`37`
`37`		`-1`
`38`		`-1`
`39`		`-1`
`40`		`41`
`41`		`-1`
`42`		`43`
`43`		`-1`
`44`		`69`
`45`		`-1`
`46`		`47`
`47`		`-1`
`48`		`49`
`49`		`-1`
`50`		`-1`
`51`		`-1`
`52`		`53`
`53`		`-1`
`54`		`76`
`55`		`-1`
`56`		`72`
`57`		`-1`
`58`		`59`
`59`		`-1`
`60`		`61`
`61`		`-1`
`62`		`96`
`63`		`64`
`64`		`85`
`65`		`-1`
`66`		`67`
`67`		`-1`
`68`		`-1`
`69`		`-1`
`70`		`71`
`71`		`-1`
`72`		`73`
`73`		`-1`
`74`		`-1`
`75`		`-1`
`76`		`-1`
`77`		`-1`
`78`		`79`
`79`		`-1`
`80`		`81`
`81`		`-1`
`82`		`83`
`83`		`-1`
`84`		`104`
`85`		`-1`
`86`		`-1`
`87`		`-1`

[1,3,4,5,-1,7,8,9,-1,11,-1,13,-1,24,16,17,-1,19, -1,33,-1,23,-1,25,-1,27,-1,29,-1,31,32,45,-1,-1, -1,37,-1,-1,-1,41,-1,43,-1,69,-1,47,-1,49,-1,-1, -1,53,-1,76,-1,72,-1,59,-1,61,-1,96,64,85,-1,67, -1,-1,-1,71,-1,73,-1,-1,-1,-1,-1,79,-1,81,-1,83, -1,104,-1,-1,-1]

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Last modified August 2 12:33 EDT 2024. Contains 374848 sequences. (Running on oeis4.)