A275260 - OEIS

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

A275260 as a simple table

`n`		`a(n)`
`1`		`2`
`2`		`9`
`3`		`24`
`4`		`64`
`5`		`172`
`6`		`476`
`7`		`1320`
`8`		`3672`
`9`		`10220`
`10`		`28472`
`11`		`79376`
`12`		`221320`
`13`		`617160`
`14`		`1720976`
`15`		`4799104`
`16`		`13382832`
`17`		`37319536`
`18`		`104069760`
`19`		`290210016`
`20`		`809282592`
`21`		`2256773088`
`22`		`6293258240`
`23`		`17549436800`
`24`		`48938515904`
`25`		`136470379968`
`26`		`380562509568`

[2,9,24,64,172,476,1320,3672,10220,28472,79376, 221320,617160,1720976,4799104,13382832,37319536, 104069760,290210016,809282592,2256773088, 6293258240,17549436800,48938515904,136470379968, 380562509568]

License Agreements, Terms of Use, Privacy Policy. .

Last modified April 18 04:56 EDT 2024. Contains 371767 sequences. (Running on oeis4.)