A008648 - OEIS

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

A008648 as a simple table

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

[1,1,1,1,1,2,2,2,2,2,3,3,3,3,3,4,4,4,4,4,5,5,5,5, 5,7,7,7,7,7,9,9,9,9,9,11,11,11,11,11,13,13,13,13, 13,15,15,15,15,15,18,18,18,18,18,21,21,21,21,21, 24,24,24,24,24]

License Agreements, Terms of Use, Privacy Policy. .

Last modified April 23 10:29 EDT 2024. Contains 371905 sequences. (Running on oeis4.)