A207372 - OEIS

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

A207372 as a simple table

`n`		`a(n)`
`1`		`20`
`2`		`400`
`3`		`1260`
`4`		`7130`
`5`		`31110`
`6`		`95220`
`7`		`353808`
`8`		`1047717`
`9`		`3056647`
`10`		`8773795`
`11`		`23208895`
`12`		`61308120`
`13`		`155644140`
`14`		`385081690`
`15`		`938448639`
`16`		`2231352160`
`17`		`5231232640`
`18`		`12073401891`
`19`		`27463516024`
`20`		`61756669106`
`21`		`137220631975`
`22`		`301814503696`

[20,400,1260,7130,31110,95220,353808,1047717, 3056647,8773795,23208895,61308120,155644140, 385081690,938448639,2231352160,5231232640, 12073401891,27463516024,61756669106,137220631975, 301814503696]

License Agreements, Terms of Use, Privacy Policy. .

Last modified May 9 04:02 EDT 2024. Contains 372341 sequences. (Running on oeis4.)