A090826 - OEIS

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

A090826 as a simple table

`n`		`a(n)`
`0`		`0`
`1`		`1`
`2`		`2`
`3`		`5`
`4`		`12`
`5`		`31`
`6`		`85`
`7`		`248`
`8`		`762`
`9`		`2440`
`10`		`8064`
`11`		`27300`
`12`		`94150`
`13`		`329462`
`14`		`1166512`
`15`		`4170414`
`16`		`15031771`
`17`		`54559855`
`18`		`199236416`
`19`		`731434971`
`20`		`2697934577`
`21`		`9993489968`
`22`		`37157691565`
`23`		`138633745173`
`24`		`518851050388`
`25`		`1947388942885`
`26`		`7328186394725`

[0,1,2,5,12,31,85,248,762,2440,8064,27300,94150, 329462,1166512,4170414,15031771,54559855, 199236416,731434971,2697934577,9993489968, 37157691565,138633745173,518851050388, 1947388942885,7328186394725]

License Agreements, Terms of Use, Privacy Policy. .

Last modified May 7 02:00 EDT 2024. Contains 372298 sequences. (Running on oeis4.)