A007505 - OEIS

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

A007505 as a simple table

`n`		`a(n)`
`1`		`2`
`2`		`5`
`3`		`11`
`4`		`23`
`5`		`47`
`6`		`191`
`7`		`383`
`8`		`6143`
`9`		`786431`
`10`		`51539607551`
`11`		`824633720831`
`12`		`26388279066623`
`13`		`108086391056891903`
`14`		`55340232221128654847`
`15`		`226673591177742970257407`
`16`		`59421121885698253195157962751`
`17`		`30423614405477505635920876929023`

[2,5,11,23,47,191,383,6143,786431,51539607551, 824633720831,26388279066623,108086391056891903, 55340232221128654847,226673591177742970257407, 59421121885698253195157962751, 30423614405477505635920876929023]

License Agreements, Terms of Use, Privacy Policy. .

Last modified April 20 00:58 EDT 2024. Contains 371798 sequences. (Running on oeis4.)