A002075 - OEIS

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

A002075 as a simple table

`n`		`a(n)`
`1`		`1`
`2`		`1`
`3`		`2`
`4`		`4`
`5`		`8`
`6`		`22`
`7`		`52`
`8`		`140`
`9`		`366`
`10`		`992`
`11`		`2684`
`12`		`7404`
`13`		`20440`
`14`		`56992`
`15`		`159440`
`16`		`448540`
`17`		`1266080`
`18`		`3587610`
`19`		`10195276`
`20`		`29057520`
`21`		`83018728`
`22`		`237737984`
`23`		`682196948`
`24`		`1961323740`
`25`		`5648590728`
`26`		`16294032160`
`27`		`47071589778`
`28`		`136171440600`

[1,1,2,4,8,22,52,140,366,992,2684,7404,20440, 56992,159440,448540,1266080,3587610,10195276, 29057520,83018728,237737984,682196948,1961323740, 5648590728,16294032160,47071589778,136171440600]

License Agreements, Terms of Use, Privacy Policy. .

Last modified May 11 19:36 EDT 2024. Contains 372413 sequences. (Running on oeis4.)