A170953 - OEIS

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

A170953 as a simple table

`n`		`a(n)`
`0`		`0`
`1`		`0`
`2`		`1`
`3`		`3`
`4`		`9`
`5`		`28`
`6`		`88`
`7`		`278`
`8`		`873`
`9`		`2743`
`10`		`8616`
`11`		`27067`
`12`		`85033`
`13`		`267138`
`14`		`839238`
`15`		`2636541`
`16`		`8282935`
`17`		`26021607`
`18`		`81749288`
`19`		`256822959`
`20`		`806833118`
`21`		`2534740993`
`22`		`7963123681`
`23`		`25016890852`
`24`		`78592880514`
`25`		`246906816045`
`26`		`775680639403`
`27`		`2436872598277`
`28`		`7655661052477`
`29`		`24050968520831`

[0,0,1,3,9,28,88,278,873,2743,8616,27067,85033, 267138,839238,2636541,8282935,26021607,81749288, 256822959,806833118,2534740993,7963123681, 25016890852,78592880514,246906816045,775680639403, 2436872598277,7655661052477,24050968520831]

License Agreements, Terms of Use, Privacy Policy. .

Last modified April 18 16:22 EDT 2024. Contains 371780 sequences. (Running on oeis4.)