A177177 - OEIS

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

A177177 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`7`
`2`		`15`
`3`		`81`
`4`		`375`
`5`		`2113`
`6`		`11911`
`7`		`71221`
`8`		`433343`
`9`		`2704049`
`10`		`17125871`
`11`		`110044549`
`12`		`714925975`
`13`		`4690166833`
`14`		`31020995831`
`15`		`206646565637`
`16`		`1385159527343`
`17`		`9335979423089`
`18`		`63232378792703`
`19`		`430146956724677`
`20`		`2937659194003655`

[1,7,15,81,375,2113,11911,71221,433343,2704049, 17125871,110044549,714925975,4690166833, 31020995831,206646565637,1385159527343, 9335979423089,63232378792703,430146956724677, 2937659194003655]

License Agreements, Terms of Use, Privacy Policy. .

Last modified April 18 21:51 EDT 2024. Contains 371781 sequences. (Running on oeis4.)