A124722 - OEIS

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

A124722 as a simple table

`n`		`a(n)`
`5`		`2`
`6`		`9`
`7`		`40`
`8`		`137`
`9`		`448`
`10`		`1336`
`11`		`3840`
`12`		`10540`
`13`		`28160`
`14`		`73168`
`15`		`186368`
`16`		`465808`
`17`		`1146880`
`18`		`2785024`
`19`		`6684672`
`20`		`15875520`
`21`		`37355520`
`22`		`87161600`
`23`		`201850880`
`24`		`464254208`
`25`		`1061158912`
`26`		`2411718656`
`27`		`5452595200`
`28`		`12268325888`
`29`		`27481079808`
`30`		`61303918592`

[2,9,40,137,448,1336,3840,10540,28160,73168, 186368,465808,1146880,2785024,6684672,15875520, 37355520,87161600,201850880,464254208,1061158912, 2411718656,5452595200,12268325888,27481079808, 61303918592]

License Agreements, Terms of Use, Privacy Policy. .

Last modified April 24 03:08 EDT 2024. Contains 371918 sequences. (Running on oeis4.)