A222205 - OEIS

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A222205 as a simple table

`n`		`a(n)`
`1`		`1`
`2`		`4`
`3`		`20`
`4`		`110`
`5`		`636`
`6`		`3790`
`7`		`23036`
`8`		`141946`
`9`		`883360`
`10`		`5538098`
`11`		`34917224`
`12`		`221125102`
`13`		`1405276324`
`14`		`8956020294`
`15`		`57209977908`
`16`		`366147270370`
`17`		`2347081505816`
`18`		`15065301857194`
`19`		`96808851937152`
`20`		`622682497349910`
`21`		`4008412023724124`
`22`		`25821543284366686`
`23`		`166438749582676204`

[1,4,20,110,636,3790,23036,141946,883360,5538098, 34917224,221125102,1405276324,8956020294, 57209977908,366147270370,2347081505816, 15065301857194,96808851937152,622682497349910, 4008412023724124,25821543284366686, 166438749582676204]

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Last modified April 18 21:51 EDT 2024. Contains 371781 sequences. (Running on oeis4.)