A002055 - OEIS

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A002055 as a simple table

`n`		`a(n)`
`5`		`1`
`6`		`9`
`7`		`56`
`8`		`300`
`9`		`1485`
`10`		`7007`
`11`		`32032`
`12`		`143208`
`13`		`629850`
`14`		`2735810`
`15`		`11767536`
`16`		`50220040`
`17`		`212952285`
`18`		`898198875`
`19`		`3771484800`
`20`		`15775723920`
`21`		`65770848990`
`22`		`273420862110`
`23`		`1133802618000`
`24`		`4691140763400`
`25`		`19371432850770`
`26`		`79850555673174`

[1,9,56,300,1485,7007,32032,143208,629850,2735810, 11767536,50220040,212952285,898198875,3771484800, 15775723920,65770848990,273420862110, 1133802618000,4691140763400,19371432850770, 79850555673174]

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Last modified April 17 02:26 EDT 2021. Contains 343059 sequences. (Running on oeis4.)