A214803 - OEIS

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A214803 as a simple table

`n`		`a(n)`
`1`		`-1`
`2`		`-1`
`3`		`1`
`4`		`-1`
`5`		`5`
`6`		`-1`
`7`		`3`
`8`		`7`
`9`		`11`
`10`		`-1`
`11`		`19`
`12`		`-1`
`13`		`5`
`14`		`11`
`15`		`17`
`16`		`23`
`17`		`29`
`18`		`-1`
`19`		`13`
`20`		`27`
`21`		`41`
`22`		`-1`
`23`		`7`
`24`		`23`
`25`		`31`
`26`		`47`
`27`		`55`
`28`		`-1`
`29`		`17`
`30`		`53`
`31`		`71`
`32`		`-1`
`33`		`9`
`34`		`19`
`35`		`29`
`36`		`39`
`37`		`49`
`38`		`59`
`39`		`69`
`40`		`79`
`41`		`89`
`42`		`-1`
`43`		`43`
`44`		`65`
`45`		`109`
`46`		`-1`
`47`		`11`
`48`		`23`
`49`		`35`
`50`		`47`
`51`		`59`
`52`		`71`
`53`		`83`
`54`		`95`
`55`		`107`
`56`		`119`
`57`		`131`
`58`		`-1`
`59`		`25`
`60`		`51`
`61`		`103`
`62`		`129`
`63`		`155`
`64`		`-1`
`65`		`13`

[-1,-1,1,-1,5,-1,3,7,11,-1,19,-1,5,11,17,23,29,-1, 13,27,41,-1,7,23,31,47,55,-1,17,53,71,-1,9,19,29, 39,49,59,69,79,89,-1,43,65,109,-1,11,23,35,47,59, 71,83,95,107,119,131,-1,25,51,103,129,155,-1,13]

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Last modified April 23 15:20 EDT 2024. Contains 371916 sequences. (Running on oeis4.)