A305807 - OEIS

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A305807 as a simple table

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

[1,-1,-1,-1,-1,-1,-1,-1,-2,-3,-1,1,-1,-5,-3,-1,-1, 0,-1,1,-5,-9,-1,3,-4,-11,-4,1,-1,5,-1,-1,-9,-15, -5,6,-1,-17,-11,5,-1,7,-1,1,-2,-21,-1,5,-6,-8,-15, 1,-1,4,-9,7,-17,-27,-1,19,-1,-29,-4,-1,-11,11,-1, 1,-21,-3,-1,8,-1,-35,-8,1,-9,13,-1,9,-8,-39,-1,29, -15,-41,-27,11,-1]

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Last modified July 6 23:47 EDT 2024. Contains 374060 sequences. (Running on oeis4.)