A260786 - OEIS

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

A260786 as a simple table

`n`		`a(n)`
`0`		`2`
`1`		`2`
`2`		`2`
`3`		`4`
`4`		`10`
`5`		`32`
`6`		`122`
`7`		`544`
`8`		`2770`
`9`		`15872`
`10`		`101042`
`11`		`707584`
`12`		`5405530`
`13`		`44736512`
`14`		`398721962`
`15`		`3807514624`
`16`		`38783024290`
`17`		`419730685952`
`18`		`4809759350882`
`19`		`58177770225664`
`20`		`740742376475050`
`21`		`9902996106248192`
`22`		`138697748786275802`
`23`		`2030847773013704704`
`24`		`31029068327114173810`
`25`		`493842960380415967232`

[2,2,2,4,10,32,122,544,2770,15872,101042,707584, 5405530,44736512,398721962,3807514624,38783024290, 419730685952,4809759350882,58177770225664, 740742376475050,9902996106248192, 138697748786275802,2030847773013704704, 31029068327114173810,493842960380415967232]

License Agreements, Terms of Use, Privacy Policy. .

Last modified April 24 20:08 EDT 2024. Contains 371963 sequences. (Running on oeis4.)