A087222 - OEIS

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

A087222 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`1`
`2`		`4`
`3`		`10`
`4`		`26`
`5`		`69`
`6`		`184`
`7`		`488`
`8`		`1294`
`9`		`3436`
`10`		`9116`
`11`		`24190`
`12`		`64190`
`13`		`170334`
`14`		`451994`
`15`		`1199400`
`16`		`3182706`
`17`		`8445556`
`18`		`22410946`
`19`		`59469200`
`20`		`157806184`
`21`		`418751069`
`22`		`1111188772`
`23`		`2948626472`
`24`		`7824411358`
`25`		`20762688580`
`26`		`55095420880`
`27`		`146200015984`

[1,1,4,10,26,69,184,488,1294,3436,9116,24190, 64190,170334,451994,1199400,3182706,8445556, 22410946,59469200,157806184,418751069,1111188772, 2948626472,7824411358,20762688580,55095420880, 146200015984]

License Agreements, Terms of Use, Privacy Policy. .

Last modified April 23 03:30 EDT 2024. Contains 371906 sequences. (Running on oeis4.)