A222867 - OEIS

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

A222867 as a simple table

`n`		`a(n)`
`1`		`1`
`2`		`2`
`3`		`3`
`4`		`7`
`5`		`20`
`6`		`67`
`7`		`254`
`8`		`1057`
`9`		`4700`
`10`		`21847`
`11`		`104474`
`12`		`508477`
`13`		`2501480`
`14`		`12386227`
`15`		`61570694`
`16`		`306778297`
`17`		`1530678260`
`18`		`7643776207`
`19`		`38190084914`
`20`		`190864134517`
`21`		`954061999040`
`22`		`4769534367787`
`23`		`23845345743134`
`24`		`119219752001137`

[1,2,3,7,20,67,254,1057,4700,21847,104474,508477, 2501480,12386227,61570694,306778297,1530678260, 7643776207,38190084914,190864134517,954061999040, 4769534367787,23845345743134,119219752001137]

License Agreements, Terms of Use, Privacy Policy. .

Last modified April 25 13:34 EDT 2024. Contains 371971 sequences. (Running on oeis4.)