A180228 - OEIS

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A180228 as a simple table

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

[-1,1,1,2,2,-1,4,2,6,-1,4,2,2,6,-1,4,2,-1,2,6,-1, 4,2,8,8,2,6,-1,4,2,4,-1,6,2,6,-1,4,2,-1,10,12,-1, 2,6,-1,4,2,10,4,-1,6,12,2,6,-1,4,2,6,12,10,12,16, 10,2,6,-1,4,2,-1,-1,4,-1,6,-1,-1,2,6,-1]

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Last modified April 23 07:57 EDT 2024. Contains 371905 sequences. (Running on oeis4.)