A218264 - OEIS

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

A218264 as a simple table

`n`		`a(n)`
`4`		`1`
`5`		`5`
`6`		`25`
`7`		`105`
`8`		`441`
`9`		`1785`
`10`		`7308`
`11`		`29898`
`12`		`124641`
`13`		`526669`
`14`		`2276846`
`15`		`10038964`
`16`		`45353269`
`17`		`209442533`
`18`		`990777442`
`19`		`4791502156`
`20`		`23707812077`
`21`		`119810145337`
`22`		`618483875689`
`23`		`3256714122209`
`24`		`17488997849803`
`25`		`95671400358075`
`26`		`532959538382100`
`27`		`3020603738202750`
`28`		`17411069344112895`

[1,5,25,105,441,1785,7308,29898,124641,526669, 2276846,10038964,45353269,209442533,990777442, 4791502156,23707812077,119810145337,618483875689, 3256714122209,17488997849803,95671400358075, 532959538382100,3020603738202750, 17411069344112895]

License Agreements, Terms of Use, Privacy Policy. .

Last modified September 15 08:55 EDT 2024. Contains 375932 sequences. (Running on oeis4.)