A117226 - OEIS

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A117226 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`1`
`2`		`2`
`3`		`6`
`4`		`23`
`5`		`110`
`6`		`630`
`7`		`4204`
`8`		`32054`
`9`		`274914`
`10`		`2619692`
`11`		`27459344`
`12`		`313990182`
`13`		`3889585408`
`14`		`51888955808`
`15`		`741668212080`
`16`		`11307669002720`
`17`		`183174676857608`
`18`		`3141820432768752`
`19`		`56882461258572976`
`20`		`1084056190235653304`
`21`		`21692744773505849952`
`22`		`454758269790599361968`

[1,1,2,6,23,110,630,4204,32054,274914,2619692, 27459344,313990182,3889585408,51888955808, 741668212080,11307669002720,183174676857608, 3141820432768752,56882461258572976, 1084056190235653304,21692744773505849952, 454758269790599361968]

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Last modified July 15 23:26 EDT 2024. Contains 374334 sequences. (Running on oeis4.)