A246509 - OEIS

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

A246509 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`4`
`2`		`26`
`3`		`200`
`4`		`1694`
`5`		`15224`
`6`		`141972`
`7`		`1359120`
`8`		`13264246`
`9`		`131384536`
`10`		`1316769196`
`11`		`13323636208`
`12`		`135885868780`
`13`		`1395157192624`
`14`		`14406117404584`
`15`		`149489132177440`
`16`		`1557898906160806`
`17`		`16297193704008856`
`18`		`171058624529373116`
`19`		`1800860588158214960`
`20`		`19010179617892702404`
`21`		`201164103801453466896`

[1,4,26,200,1694,15224,141972,1359120,13264246, 131384536,1316769196,13323636208,135885868780, 1395157192624,14406117404584,149489132177440, 1557898906160806,16297193704008856, 171058624529373116,1800860588158214960, 19010179617892702404,201164103801453466896]

License Agreements, Terms of Use, Privacy Policy. .

Last modified April 25 11:34 EDT 2024. Contains 371967 sequences. (Running on oeis4.)