A283842 - OEIS

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

A283842 as a simple table

`n`		`a(n)`
`0`		`0`
`1`		`0`
`2`		`0`
`3`		`2`
`4`		`15`
`5`		`75`
`6`		`319`
`7`		`1256`
`8`		`4754`
`9`		`17624`
`10`		`64613`
`11`		`235465`
`12`		`855293`
`13`		`3101198`
`14`		`11233632`
`15`		`40670374`
`16`		`147200107`
`17`		`532681447`
`18`		`1927472251`
`19`		`6974085108`
`20`		`25233326446`
`21`		`91296730996`
`22`		`330318071345`
`23`		`1195108798917`
`24`		`4323957832185`
`25`		`15644253554970`
`26`		`56601495391164`
`27`		`204786242735426`
`28`		`740923803830199`

[0,0,0,2,15,75,319,1256,4754,17624,64613,235465, 855293,3101198,11233632,40670374,147200107, 532681447,1927472251,6974085108,25233326446, 91296730996,330318071345,1195108798917, 4323957832185,15644253554970,56601495391164, 204786242735426,740923803830199]

License Agreements, Terms of Use, Privacy Policy. .

Last modified April 24 20:08 EDT 2024. Contains 371963 sequences. (Running on oeis4.)