A051631 - OEIS

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A051631 as a simple table

`n`		`a(n)`
`0`		`-1`
`1`		`0`
`2`		`0`
`3`		`1`
`4`		`0`
`5`		`1`
`6`		`2`
`7`		`1`
`8`		`1`
`9`		`2`
`10`		`3`
`11`		`3`
`12`		`2`
`13`		`3`
`14`		`3`
`15`		`4`
`16`		`6`
`17`		`5`
`18`		`5`
`19`		`6`
`20`		`4`
`21`		`5`
`22`		`10`
`23`		`11`
`24`		`10`
`25`		`11`
`26`		`10`
`27`		`5`
`28`		`6`
`29`		`15`
`30`		`21`
`31`		`21`
`32`		`21`
`33`		`21`
`34`		`15`
`35`		`6`
`36`		`7`
`37`		`21`
`38`		`36`
`39`		`42`
`40`		`42`
`41`		`42`
`42`		`36`
`43`		`21`
`44`		`7`
`45`		`8`
`46`		`28`
`47`		`57`
`48`		`78`
`49`		`84`
`50`		`84`
`51`		`78`
`52`		`57`
`53`		`28`
`54`		`8`
`55`		`9`
`56`		`36`
`57`		`85`
`58`		`135`
`59`		`162`
`60`		`168`
`61`		`162`
`62`		`135`
`63`		`85`
`64`		`36`
`65`		`9`

[-1,0,0,1,0,1,2,1,1,2,3,3,2,3,3,4,6,5,5,6,4,5,10, 11,10,11,10,5,6,15,21,21,21,21,15,6,7,21,36,42,42, 42,36,21,7,8,28,57,78,84,84,78,57,28,8,9,36,85, 135,162,168,162,135,85,36,9]

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Last modified April 19 19:02 EDT 2024. Contains 371798 sequences. (Running on oeis4.)