A210448 - OEIS

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

A210448 as a simple table

`n`		`a(n)`
`0`		`0`
`1`		`3`
`2`		`15`
`3`		`57`
`4`		`195`
`5`		`633`
`6`		`1995`
`7`		`6177`
`8`		`18915`
`9`		`57513`
`10`		`174075`
`11`		`525297`
`12`		`1582035`
`13`		`4758393`
`14`		`14299755`
`15`		`42948417`
`16`		`128943555`
`17`		`387027273`
`18`		`1161475035`
`19`		`3485211537`
`20`		`10457207475`
`21`		`31374768153`
`22`		`94130595915`
`23`		`282404370657`
`24`		`847238277795`
`25`		`2541765165033`
`26`		`7625396158395`
`27`		`22876389801777`
`28`		`68629572058515`

[0,3,15,57,195,633,1995,6177,18915,57513,174075, 525297,1582035,4758393,14299755,42948417, 128943555,387027273,1161475035,3485211537, 10457207475,31374768153,94130595915,282404370657, 847238277795,2541765165033,7625396158395, 22876389801777,68629572058515]

License Agreements, Terms of Use, Privacy Policy. .

Last modified April 25 01:35 EDT 2024. Contains 371964 sequences. (Running on oeis4.)