A072490 - OEIS

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

A072490 as a simple table

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

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

License Agreements, Terms of Use, Privacy Policy. .

Last modified April 25 03:15 EDT 2024. Contains 371964 sequences. (Running on oeis4.)