A026648 - OEIS

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

A026648 as a simple table

`n`		`a(n)`
`1`		`1`
`2`		`1`
`3`		`1`
`4`		`1`
`5`		`3`
`6`		`1`
`7`		`1`
`8`		`4`
`9`		`4`
`10`		`1`
`11`		`1`
`12`		`6`
`13`		`8`
`14`		`6`
`15`		`1`
`16`		`1`
`17`		`7`
`18`		`14`
`19`		`14`
`20`		`7`
`21`		`1`
`22`		`1`
`23`		`9`
`24`		`21`
`25`		`36`
`26`		`21`
`27`		`9`
`28`		`1`
`29`		`1`
`30`		`10`
`31`		`30`
`32`		`57`
`33`		`57`
`34`		`30`
`35`		`10`
`36`		`1`
`37`		`1`
`38`		`12`
`39`		`40`
`40`		`108`
`41`		`114`
`42`		`108`
`43`		`40`
`44`		`12`
`45`		`1`
`46`		`1`
`47`		`13`
`48`		`52`
`49`		`148`
`50`		`222`
`51`		`222`
`52`		`148`
`53`		`52`
`54`		`13`
`55`		`1`
`56`		`1`
`57`		`15`
`58`		`65`
`59`		`240`
`60`		`370`
`61`		`558`
`62`		`370`
`63`		`240`
`64`		`65`
`65`		`15`
`66`		`1`
`67`		`1`
`68`		`16`

[1,1,1,1,3,1,1,4,4,1,1,6,8,6,1,1,7,14,14,7,1,1,9, 21,36,21,9,1,1,10,30,57,57,30,10,1,1,12,40,108, 114,108,40,12,1,1,13,52,148,222,222,148,52,13,1,1, 15,65,240,370,558,370,240,65,15,1,1,16]

License Agreements, Terms of Use, Privacy Policy. .

Last modified April 25 09:35 EDT 2024. Contains 371967 sequences. (Running on oeis4.)