A303721 - OEIS

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

A303721 as a simple table

`n`		`a(n)`
`1`		`2`
`2`		`8`
`3`		`21`
`4`		`49`
`5`		`120`
`6`		`293`
`7`		`719`
`8`		`1774`
`9`		`4389`
`10`		`10893`
`11`		`27096`
`12`		`67529`
`13`		`168555`
`14`		`421238`
`15`		`1053769`
`16`		`2638209`
`17`		`6609224`
`18`		`16565853`
`19`		`41538871`
`20`		`104192734`
`21`		`261416765`
`22`		`656024133`
`23`		`1646562744`
`24`		`4133274369`
`25`		`10376622259`
`26`		`26052793638`
`27`		`65415654721`
`28`		`164260171289`

[2,8,21,49,120,293,719,1774,4389,10893,27096, 67529,168555,421238,1053769,2638209,6609224, 16565853,41538871,104192734,261416765,656024133, 1646562744,4133274369,10376622259,26052793638, 65415654721,164260171289]

License Agreements, Terms of Use, Privacy Policy. .

Last modified April 20 00:03 EDT 2024. Contains 371798 sequences. (Running on oeis4.)