A101909 - OEIS

The OEIS is supported by the many generous donors to the OEIS Foundation.

A101909 as a simple table

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

[1,2,2,2,4,4,3,5,4,4,6,6,6,7,7,7,8,9,9,10,10,9,10, 9,10,12,12,13,14,13,12,13,14,13,15,14,13,15,15,15, 16,16,16,17,17,18,18,19,19,21,20,19,20,19,18,19, 19,20,21,22,23,23,24,23,24,24,24,26,25,25,27,27, 27,28,27,26]

License Agreements, Terms of Use, Privacy Policy. .

Last modified April 19 03:16 EDT 2024. Contains 371782 sequences. (Running on oeis4.)