A228053 - OEIS

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A228053 as a simple table

`n`		`a(n)`
`0`		`-1`
`1`		`1`
`2`		`1`
`3`		`-1`
`4`		`2`
`5`		`-1`
`6`		`1`
`7`		`1`
`8`		`1`
`9`		`1`
`10`		`-1`
`11`		`2`
`12`		`2`
`13`		`2`
`14`		`-1`
`15`		`1`
`16`		`1`
`17`		`4`
`18`		`4`
`19`		`1`
`20`		`1`
`21`		`-1`
`22`		`2`
`23`		`5`
`24`		`8`
`25`		`5`
`26`		`2`
`27`		`-1`
`28`		`1`
`29`		`1`
`30`		`7`
`31`		`13`
`32`		`13`
`33`		`7`
`34`		`1`
`35`		`1`
`36`		`-1`
`37`		`2`
`38`		`8`
`39`		`20`
`40`		`26`
`41`		`20`
`42`		`8`
`43`		`2`
`44`		`-1`
`45`		`1`
`46`		`1`
`47`		`10`
`48`		`28`
`49`		`46`
`50`		`46`
`51`		`28`
`52`		`10`
`53`		`1`
`54`		`1`
`55`		`-1`
`56`		`2`
`57`		`11`
`58`		`38`
`59`		`74`
`60`		`92`
`61`		`74`
`62`		`38`
`63`		`11`
`64`		`2`
`65`		`-1`
`66`		`1`
`67`		`1`
`68`		`13`
`69`		`49`
`70`		`112`
`71`		`166`
`72`		`166`
`73`		`112`

[-1,1,1,-1,2,-1,1,1,1,1,-1,2,2,2,-1,1,1,4,4,1,1, -1,2,5,8,5,2,-1,1,1,7,13,13,7,1,1,-1,2,8,20,26,20, 8,2,-1,1,1,10,28,46,46,28,10,1,1,-1,2,11,38,74,92, 74,38,11,2,-1,1,1,13,49,112,166,166,112]

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Last modified April 25 03:15 EDT 2024. Contains 371964 sequences. (Running on oeis4.)