A089883 - OEIS

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

A089883 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`4`
`2`		`16`
`3`		`60`
`4`		`214`
`5`		`736`
`6`		`2464`
`7`		`8082`
`8`		`26092`
`9`		`83188`
`10`		`262582`
`11`		`822144`
`12`		`2557120`
`13`		`7910050`
`14`		`24357580`
`15`		`74720436`
`16`		`228485158`
`17`		`696795712`
`18`		`2120116768`
`19`		`6438264498`
`20`		`19518937516`
`21`		`59091592564`
`22`		`178675498006`
`23`		`539694923520`
`24`		`1628691435904`
`25`		`4911230068546`
`26`		`14799559211404`

[1,4,16,60,214,736,2464,8082,26092,83188,262582, 822144,2557120,7910050,24357580,74720436, 228485158,696795712,2120116768,6438264498, 19518937516,59091592564,178675498006,539694923520, 1628691435904,4911230068546,14799559211404]

License Agreements, Terms of Use, Privacy Policy. .

Last modified April 27 02:24 EDT 2024. Contains 372004 sequences. (Running on oeis4.)