A189641 - OEIS

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A189641 as a simple table

`n`		`a(n)`
`1`		`0`
`2`		`0`
`3`		`1`
`4`		`1`
`5`		`1`
`6`		`2`
`7`		`3`
`8`		`3`
`9`		`4`
`10`		`4`
`11`		`4`
`12`		`5`
`13`		`5`
`14`		`5`
`15`		`6`
`16`		`7`
`17`		`7`
`18`		`8`
`19`		`9`
`20`		`9`
`21`		`10`
`22`		`10`
`23`		`10`
`24`		`11`
`25`		`12`
`26`		`12`
`27`		`13`
`28`		`13`
`29`		`13`
`30`		`14`
`31`		`14`
`32`		`14`
`33`		`15`
`34`		`16`
`35`		`16`
`36`		`17`
`37`		`17`
`38`		`17`
`39`		`18`
`40`		`18`
`41`		`18`
`42`		`19`
`43`		`20`
`44`		`20`
`45`		`21`
`46`		`22`
`47`		`22`
`48`		`23`
`49`		`23`
`50`		`23`
`51`		`24`
`52`		`25`
`53`		`25`
`54`		`26`
`55`		`27`
`56`		`27`
`57`		`28`
`58`		`28`
`59`		`28`
`60`		`29`
`61`		`30`
`62`		`30`
`63`		`31`
`64`		`31`
`65`		`31`
`66`		`32`
`67`		`32`
`68`		`32`
`69`		`33`
`70`		`34`
`71`		`34`
`72`		`35`
`73`		`36`
`74`		`36`
`75`		`37`
`76`		`37`
`77`		`37`
`78`		`38`
`79`		`39`
`80`		`39`
`81`		`40`

[0,0,1,1,1,2,3,3,4,4,4,5,5,5,6,7,7,8,9,9,10,10,10, 11,12,12,13,13,13,14,14,14,15,16,16,17,17,17,18, 18,18,19,20,20,21,22,22,23,23,23,24,25,25,26,27, 27,28,28,28,29,30,30,31,31,31,32,32,32,33,34,34, 35,36,36,37,37,37,38,39,39,40]

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Last modified April 24 20:08 EDT 2024. Contains 371963 sequences. (Running on oeis4.)