A230860 - OEIS

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A230860 as a simple table

`n`		`a(n)`
`1`		`-1`
`2`		`-1`
`3`		`1`
`4`		`-1`
`5`		`2`
`6`		`-1`
`7`		`-1`
`8`		`3`
`9`		`-3`
`10`		`1`
`11`		`-1`
`12`		`4`
`13`		`-6`
`14`		`4`
`15`		`-1`
`16`		`-1`
`17`		`6`
`18`		`-10`
`19`		`10`
`20`		`-5`
`21`		`1`
`22`		`-1`
`23`		`8`
`24`		`-17`
`25`		`20`
`26`		`-15`
`27`		`6`
`28`		`-1`
`29`		`-1`
`30`		`10`
`31`		`-27`
`32`		`38`
`33`		`-35`
`34`		`21`
`35`		`-7`
`36`		`1`
`37`		`-1`
`38`		`12`
`39`		`-40`
`40`		`68`
`41`		`-74`
`42`		`56`
`43`		`-28`
`44`		`8`
`45`		`-1`
`46`		`-1`
`47`		`14`
`48`		`-57`
`49`		`114`
`50`		`-146`
`51`		`131`
`52`		`-84`
`53`		`36`
`54`		`-9`
`55`		`1`
`56`		`-1`
`57`		`16`
`58`		`-78`
`59`		`182`
`60`		`-270`
`61`		`282`
`62`		`-216`
`63`		`120`
`64`		`-45`
`65`		`10`
`66`		`-1`

[-1,-1,1,-1,2,-1,-1,3,-3,1,-1,4,-6,4,-1,-1,6,-10, 10,-5,1,-1,8,-17,20,-15,6,-1,-1,10,-27,38,-35,21, -7,1,-1,12,-40,68,-74,56,-28,8,-1,-1,14,-57,114, -146,131,-84,36,-9,1,-1,16,-78,182,-270,282,-216, 120,-45,10,-1]

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Last modified April 24 19:36 EDT 2024. Contains 371962 sequences. (Running on oeis4.)