A019161 - OEIS

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

A019161 as a simple table

`n`		`a(n)`
`3`		`0`
`4`		`0`
`5`		`4`
`6`		`6`
`7`		`8`
`8`		`30`
`9`		`59`
`10`		`110`
`11`		`307`
`12`		`702`
`13`		`1467`
`14`		`3540`
`15`		`8881`
`16`		`21238`
`17`		`51411`
`18`		`131267`
`19`		`336955`
`20`		`858389`
`21`		`2231616`
`22`		`5873842`
`23`		`15436593`
`24`		`40783461`
`25`		`108380373`
`26`		`288172019`
`27`		`767283935`
`28`		`2047446019`
`29`		`5468198458`
`30`		`14615722327`
`31`		`39109795012`

[0,0,4,6,8,30,59,110,307,702,1467,3540,8881,21238, 51411,131267,336955,858389,2231616,5873842, 15436593,40783461,108380373,288172019,767283935, 2047446019,5468198458,14615722327,39109795012]

License Agreements, Terms of Use, Privacy Policy. .

Last modified April 20 00:03 EDT 2024. Contains 371798 sequences. (Running on oeis4.)