A221523 - OEIS

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A221523 as a simple table

`n`		`a(n)`
`1`		`0`
`2`		`42`
`3`		`222`
`4`		`1764`
`5`		`12458`
`6`		`90684`
`7`		`654864`
`8`		`4738970`
`9`		`34274630`
`10`		`247928860`
`11`		`1793345580`
`12`		`12971955294`
`13`		`93830864024`
`14`		`678713206224`
`15`		`4909381705850`
`16`		`35511361462492`
`17`		`256866719859442`
`18`		`1858011331955384`
`19`		`13439678399558656`
`20`		`97214130194552336`

[0,42,222,1764,12458,90684,654864,4738970, 34274630,247928860,1793345580,12971955294, 93830864024,678713206224,4909381705850, 35511361462492,256866719859442,1858011331955384, 13439678399558656,97214130194552336]

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Last modified April 25 11:21 EDT 2024. Contains 371967 sequences. (Running on oeis4.)