A209398 - OEIS

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

A209398 as a simple table

`n`		`a(n)`
`0`		`0`
`1`		`0`
`2`		`0`
`3`		`2`
`4`		`7`
`5`		`17`
`6`		`39`
`7`		`88`
`8`		`192`
`9`		`408`
`10`		`855`
`11`		`1775`
`12`		`3655`
`13`		`7478`
`14`		`15228`
`15`		`30898`
`16`		`62511`
`17`		`126177`
`18`		`254223`
`19`		`511472`
`20`		`1027840`
`21`		`2063600`
`22`		`4140015`
`23`		`8300767`
`24`		`16635087`
`25`		`33324462`
`26`		`66736764`
`27`		`133615658`
`28`		`267461287`
`29`		`535294673`
`30`		`1071191415`
`31`		`2143357000`
`32`		`4288290240`
`33`		`8579130888`

[0,0,0,2,7,17,39,88,192,408,855,1775,3655,7478, 15228,30898,62511,126177,254223,511472,1027840, 2063600,4140015,8300767,16635087,33324462, 66736764,133615658,267461287,535294673,1071191415, 2143357000,4288290240,8579130888]

License Agreements, Terms of Use, Privacy Policy. .

Last modified May 9 19:33 EDT 2024. Contains 372354 sequences. (Running on oeis4.)