A018098 - OEIS

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

A018098 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`3`
`2`		`5`
`3`		`9`
`4`		`18`
`5`		`38`
`6`		`77`
`7`		`158`
`8`		`324`
`9`		`668`
`10`		`1375`
`11`		`2832`
`12`		`5832`
`13`		`12013`
`14`		`24744`
`15`		`50965`
`16`		`104976`
`17`		`216227`
`18`		`445376`
`19`		`917370`
`20`		`1889568`
`21`		`3892071`
`22`		`8016759`
`23`		`16512655`
`24`		`34012224`
`25`		`70057262`
`26`		`144301646`
`27`		`297227789`
`28`		`612220032`

[1,3,5,9,18,38,77,158,324,668,1375,2832,5832, 12013,24744,50965,104976,216227,445376,917370, 1889568,3892071,8016759,16512655,34012224, 70057262,144301646,297227789,612220032]

License Agreements, Terms of Use, Privacy Policy. .

Last modified July 25 12:21 EDT 2024. Contains 374588 sequences. (Running on oeis4.)