A143979 - OEIS

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

A143979 as a simple table

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

[0,1,1,2,2,2,2,4,4,2,3,5,6,5,3,4,6,8,8,6,4,4,8,10, 10,10,8,4,5,9,12,13,13,12,9,5,6,10,14,16,16,16,14, 10,6,6,12,16,18,20,20,18,16,12,6,7,13,18,21,23,24, 23,21,18,13,7,8,14,20,24,26,28,28,26,24,20,14,8]

License Agreements, Terms of Use, Privacy Policy. .

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