A027808 - OEIS

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

A027808 as a simple table

`n`		`a(n)`
`8`		`495`
`9`		`7150`
`10`		`55055`
`11`		`300300`
`12`		`1301300`
`13`		`4764760`
`14`		`15315300`
`15`		`44341440`
`16`		`117781950`
`17`		`290990700`
`18`		`675745070`
`19`		`1487285800`
`20`		`3123300180`
`21`		`6292363000`
`22`		`12216990500`
`23`		`22946695200`
`24`		`41829913125`
`25`		`74211187050`
`26`		`128442439125`
`27`		`217325608500`
`28`		`360139579800`
`29`		`585448578000`
`30`		`934943638200`

[495,7150,55055,300300,1301300,4764760,15315300, 44341440,117781950,290990700,675745070,1487285800, 3123300180,6292363000,12216990500,22946695200, 41829913125,74211187050,128442439125,217325608500, 360139579800,585448578000,934943638200]

License Agreements, Terms of Use, Privacy Policy. .

Last modified April 23 05:16 EDT 2024. Contains 371906 sequences. (Running on oeis4.)