A063841 - OEIS

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

A063841 as a simple table

`n`		`a(n)`
`1`		`1`
`2`		`1`
`3`		`1`
`4`		`1`
`5`		`2`
`6`		`1`
`7`		`1`
`8`		`3`
`9`		`4`
`10`		`1`
`11`		`1`
`12`		`4`
`13`		`10`
`14`		`11`
`15`		`1`
`16`		`1`
`17`		`5`
`18`		`20`
`19`		`66`
`20`		`34`
`21`		`1`
`22`		`1`
`23`		`6`
`24`		`35`
`25`		`276`
`26`		`792`
`27`		`156`
`28`		`1`
`29`		`1`
`30`		`7`
`31`		`56`
`32`		`900`
`33`		`10688`
`34`		`25506`
`35`		`1044`
`36`		`1`
`37`		`1`
`38`		`8`
`39`		`84`
`40`		`2451`
`41`		`90005`
`42`		`1601952`
`43`		`2302938`
`44`		`12346`
`45`		`1`
`46`		`1`
`47`		`9`
`48`		`120`
`49`		`5831`
`50`		`533358`
`51`		`43571400`
`52`		`892341888`
`53`		`591901884`
`54`		`274668`
`55`		`1`

[1,1,1,1,2,1,1,3,4,1,1,4,10,11,1,1,5,20,66,34,1,1, 6,35,276,792,156,1,1,7,56,900,10688,25506,1044,1, 1,8,84,2451,90005,1601952,2302938,12346,1,1,9,120, 5831,533358,43571400,892341888,591901884,274668,1]

License Agreements, Terms of Use, Privacy Policy. .

Last modified April 24 10:11 EDT 2024. Contains 371935 sequences. (Running on oeis4.)