A047784 - OEIS

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

A047784 as a simple table

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

[1,2,3,4,4,5,5,6,6,7,7,7,8,8,9,9,9,10,10,10,11,11, 11,12,12,12,12,13,13,13,14,14,14,14,15,15,15,16, 16,16,16,17,17,17,17,18,18,18,18,19,19,19,19,20, 20,20,20,21,21,21,21,22,22,22,22,23,23,23,23]

License Agreements, Terms of Use, Privacy Policy. .

Last modified May 7 00:25 EDT 2024. Contains 372298 sequences. (Running on oeis4.)