A291064 - OEIS

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

A291064 as a simple table

`n`		`a(n)`
`1`		`4`
`2`		`9`
`3`		`26`
`4`		`71`
`5`		`180`
`6`		`433`
`7`		`1006`
`8`		`2283`
`9`		`5096`
`10`		`11237`
`11`		`24546`
`12`		`53215`
`13`		`114652`
`14`		`245721`
`15`		`524246`
`16`		`1114067`
`17`		`2359248`
`18`		`4980685`
`19`		`10485706`
`20`		`22020039`
`21`		`46137284`
`22`		`96468929`
`23`		`201326526`
`24`		`419430331`
`25`		`872415160`
`26`		`1811939253`
`27`		`3758096306`
`28`		`7784628143`
`29`		`16106127276`
`30`		`33285996457`

[4,9,26,71,180,433,1006,2283,5096,11237,24546, 53215,114652,245721,524246,1114067,2359248, 4980685,10485706,22020039,46137284,96468929, 201326526,419430331,872415160,1811939253, 3758096306,7784628143,16106127276,33285996457]

License Agreements, Terms of Use, Privacy Policy. .

Last modified April 24 20:08 EDT 2024. Contains 371963 sequences. (Running on oeis4.)