A191781 - OEIS

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

A191781 as a simple table

`n`		`a(n)`
`1`		`1`
`2`		`1`
`3`		`1`
`4`		`1`
`5`		`1`
`6`		`1`
`7`		`2`
`8`		`2`
`9`		`1`
`10`		`1`
`11`		`3`
`12`		`3`
`13`		`2`
`14`		`1`
`15`		`1`
`16`		`6`
`17`		`6`
`18`		`4`
`19`		`2`
`20`		`1`
`21`		`1`
`22`		`10`
`23`		`10`
`24`		`7`
`25`		`4`
`26`		`2`
`27`		`1`
`28`		`1`
`29`		`20`
`30`		`20`
`31`		`14`
`32`		`8`
`33`		`4`
`34`		`2`
`35`		`1`
`36`		`1`
`37`		`35`
`38`		`35`
`39`		`25`
`40`		`15`
`41`		`8`
`42`		`4`
`43`		`2`
`44`		`1`
`45`		`1`
`46`		`70`
`47`		`70`
`48`		`50`
`49`		`30`
`50`		`16`
`51`		`8`
`52`		`4`
`53`		`2`
`54`		`1`
`55`		`1`
`56`		`126`
`57`		`126`
`58`		`91`
`59`		`56`
`60`		`31`
`61`		`16`
`62`		`8`
`63`		`4`
`64`		`2`
`65`		`1`
`66`		`1`
`67`		`252`
`68`		`252`
`69`		`182`
`70`		`112`
`71`		`62`
`72`		`32`
`73`		`16`
`74`		`8`
`75`		`4`
`76`		`2`
`77`		`1`
`78`		`1`
`79`		`462`
`80`		`462`
`81`		`336`
`82`		`210`
`83`		`119`
`84`		`63`
`85`		`32`
`86`		`16`
`87`		`8`
`88`		`4`
`89`		`2`
`90`		`1`
`91`		`1`

[1,1,1,1,1,1,2,2,1,1,3,3,2,1,1,6,6,4,2,1,1,10,10, 7,4,2,1,1,20,20,14,8,4,2,1,1,35,35,25,15,8,4,2,1, 1,70,70,50,30,16,8,4,2,1,1,126,126,91,56,31,16,8, 4,2,1,1,252,252,182,112,62,32,16,8,4,2,1,1,462, 462,336,210,119,63,32,16,8,4,2,1,1]

License Agreements, Terms of Use, Privacy Policy. .

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