A001834 - OEIS

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

A001834 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`5`
`2`		`19`
`3`		`71`
`4`		`265`
`5`		`989`
`6`		`3691`
`7`		`13775`
`8`		`51409`
`9`		`191861`
`10`		`716035`
`11`		`2672279`
`12`		`9973081`
`13`		`37220045`
`14`		`138907099`
`15`		`518408351`
`16`		`1934726305`
`17`		`7220496869`
`18`		`26947261171`
`19`		`100568547815`
`20`		`375326930089`
`21`		`1400739172541`
`22`		`5227629760075`
`23`		`19509779867759`
`24`		`72811489710961`
`25`		`271736178976085`

[1,5,19,71,265,989,3691,13775,51409,191861,716035, 2672279,9973081,37220045,138907099,518408351, 1934726305,7220496869,26947261171,100568547815, 375326930089,1400739172541,5227629760075, 19509779867759,72811489710961,271736178976085]

License Agreements, Terms of Use, Privacy Policy. .

Last modified May 6 23:32 EDT 2024. Contains 372298 sequences. (Running on oeis4.)