A023890 - OEIS

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

A023890 as a simple table

`n`		`a(n)`
`1`		`1`
`2`		`1`
`3`		`1`
`4`		`5`
`5`		`1`
`6`		`7`
`7`		`1`
`8`		`13`
`9`		`10`
`10`		`11`
`11`		`1`
`12`		`23`
`13`		`1`
`14`		`15`
`15`		`16`
`16`		`29`
`17`		`1`
`18`		`34`
`19`		`1`
`20`		`35`
`21`		`22`
`22`		`23`
`23`		`1`
`24`		`55`
`25`		`26`
`26`		`27`
`27`		`37`
`28`		`47`
`29`		`1`
`30`		`62`
`31`		`1`
`32`		`61`
`33`		`34`
`34`		`35`
`35`		`36`
`36`		`86`
`37`		`1`
`38`		`39`
`39`		`40`
`40`		`83`
`41`		`1`
`42`		`84`
`43`		`1`
`44`		`71`
`45`		`70`
`46`		`47`
`47`		`1`
`48`		`119`
`49`		`50`
`50`		`86`
`51`		`52`
`52`		`83`
`53`		`1`
`54`		`115`
`55`		`56`
`56`		`111`
`57`		`58`
`58`		`59`
`59`		`1`
`60`		`158`
`61`		`1`
`62`		`63`
`63`		`94`
`64`		`125`
`65`		`66`
`66`		`128`
`67`		`1`
`68`		`107`
`69`		`70`
`70`		`130`
`71`		`1`
`72`		`190`
`73`		`1`
`74`		`75`

[1,1,1,5,1,7,1,13,10,11,1,23,1,15,16,29,1,34,1,35, 22,23,1,55,26,27,37,47,1,62,1,61,34,35,36,86,1,39, 40,83,1,84,1,71,70,47,1,119,50,86,52,83,1,115,56, 111,58,59,1,158,1,63,94,125,66,128,1,107,70,130,1, 190,1,75]

License Agreements, Terms of Use, Privacy Policy. .

Last modified April 24 22:17 EDT 2024. Contains 371964 sequences. (Running on oeis4.)