A150164 - OEIS

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

A150164 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`2`
`2`		`6`
`3`		`20`
`4`		`75`
`5`		`286`
`6`		`1166`
`7`		`4780`
`8`		`20165`
`9`		`85995`
`10`		`371460`
`11`		`1619327`
`12`		`7120583`
`13`		`31509317`
`14`		`140326866`
`15`		`628064132`
`16`		`2823902816`
`17`		`12748912424`
`18`		`57759405138`
`19`		`262530017621`
`20`		`1196718820414`
`21`		`5469335106100`
`22`		`25056263179852`
`23`		`115037888571988`
`24`		`529212287160997`
`25`		`2439036334073988`
`26`		`11260074938277269`
`27`		`52065063815182423`

[1,2,6,20,75,286,1166,4780,20165,85995,371460, 1619327,7120583,31509317,140326866,628064132, 2823902816,12748912424,57759405138,262530017621, 1196718820414,5469335106100,25056263179852, 115037888571988,529212287160997,2439036334073988, 11260074938277269,52065063815182423]

License Agreements, Terms of Use, Privacy Policy. .

Last modified August 4 05:02 EDT 2024. Contains 374905 sequences. (Running on oeis4.)