A023817 - OEIS

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A023817 as a simple table

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

[0,2,2,4,4,6,4,7,6,7,6,9,8,11,9,12,9,13,10,13,12, 13,12,15,14,14,14,16,14,17,12,18,16,16,15,18,15, 18,17,20,19,22,20,22,22,23,20,25,21,24,22,24,22, 25,21,24,22,24,23,28,26,27,26,29,25,27,25,30,28, 30,26,32,29,31,31,31,31,34,29,32]

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Last modified April 24 16:34 EDT 2024. Contains 371961 sequences. (Running on oeis4.)