A121261 - OEIS

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A121261 as a simple table

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

[0,0,1,1,2,2,3,3,5,5,7,7,8,8,11,11,12,12,13,13,16, 16,17,17,18,18,19,19,20,20,23,23,27,27,28,28,29, 29,30,30,31,31,32,32,36,36,37,37,41,41,42,42,43, 43,44,44,45,45,47,47,48,48,50,50,52,52,53,53,59, 59,61,61,63,63]

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Last modified April 18 20:26 EDT 2024. Contains 371781 sequences. (Running on oeis4.)