A006231 - OEIS

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A006231 as a simple table

`n`		`a(n)`
`1`		`0`
`2`		`1`
`3`		`5`
`4`		`20`
`5`		`84`
`6`		`409`
`7`		`2365`
`8`		`16064`
`9`		`125664`
`10`		`1112073`
`11`		`10976173`
`12`		`119481284`
`13`		`1421542628`
`14`		`18348340113`
`15`		`255323504917`
`16`		`3809950976992`
`17`		`60683990530208`
`18`		`1027542662934897`
`19`		`18430998766219317`
`20`		`349096664728623316`
`21`		`6962409983976703316`
`22`		`145841989688186383337`

[0,1,5,20,84,409,2365,16064,125664,1112073, 10976173,119481284,1421542628,18348340113, 255323504917,3809950976992,60683990530208, 1027542662934897,18430998766219317, 349096664728623316,6962409983976703316, 145841989688186383337]

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Last modified May 20 05:07 EDT 2024. Contains 372703 sequences. (Running on oeis4.)