A164991 - OEIS

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

A164991 as a simple table

`n`		`a(n)`
`1`		`1`
`2`		`1`
`3`		`3`
`4`		`6`
`5`		`13`
`6`		`26`
`7`		`54`
`8`		`108`
`9`		`221`
`10`		`442`
`11`		`898`
`12`		`1796`
`13`		`3634`
`14`		`7268`
`15`		`14668`
`16`		`29336`
`17`		`59101`
`18`		`118202`
`19`		`237834`
`20`		`475668`
`21`		`956198`
`22`		`1912396`
`23`		`3841588`
`24`		`7683176`
`25`		`15425138`
`26`		`30850276`
`27`		`61908564`
`28`		`123817128`
`29`		`248377156`
`30`		`496754312`

[1,1,3,6,13,26,54,108,221,442,898,1796,3634,7268, 14668,29336,59101,118202,237834,475668,956198, 1912396,3841588,7683176,15425138,30850276, 61908564,123817128,248377156,496754312]

License Agreements, Terms of Use, Privacy Policy. .

Last modified April 16 10:23 EDT 2024. Contains 371699 sequences. (Running on oeis4.)