A000276 - OEIS

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

A000276 as a simple table

`n`		`a(n)`
`4`		`3`
`5`		`20`
`6`		`130`
`7`		`924`
`8`		`7308`
`9`		`64224`
`10`		`623376`
`11`		`6636960`
`12`		`76998240`
`13`		`967524480`
`14`		`13096736640`
`15`		`190060335360`
`16`		`2944310342400`
`17`		`48503818137600`
`18`		`846795372595200`
`19`		`15618926924697600`
`20`		`303517672703078400`
`21`		`6198400928176128000`
`22`		`132720966600284160000`
`23`		`2973385109386137600000`

[3,20,130,924,7308,64224,623376,6636960,76998240, 967524480,13096736640,190060335360,2944310342400, 48503818137600,846795372595200,15618926924697600, 303517672703078400,6198400928176128000, 132720966600284160000,2973385109386137600000]

License Agreements, Terms of Use, Privacy Policy. .

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