A200055 - OEIS

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

A200055 as a simple table

`n`		`a(n)`
`1`		`1`
`2`		`12`
`3`		`78`
`4`		`546`
`5`		`3914`
`6`		`28554`
`7`		`211242`
`8`		`1577878`
`9`		`11867186`
`10`		`89815404`
`11`		`682642050`
`12`		`5211283212`
`13`		`39897460856`
`14`		`306446600454`
`15`		`2358644800468`
`16`		`18199380449274`
`17`		`140644480480176`
`18`		`1089068472750998`
`19`		`8443172123261506`
`20`		`65564035662489652`

[1,12,78,546,3914,28554,211242,1577878,11867186, 89815404,682642050,5211283212,39897460856, 306446600454,2358644800468,18199380449274, 140644480480176,1089068472750998,8443172123261506, 65564035662489652]

License Agreements, Terms of Use, Privacy Policy. .

Last modified September 14 13:27 EDT 2024. Contains 375921 sequences. (Running on oeis4.)