A196213 - OEIS

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A196213 as a simple table

`n`		`a(n)`
`1`		`4`
`2`		`20`
`3`		`58`
`4`		`290`
`5`		`1217`
`6`		`5110`
`7`		`21969`
`8`		`93666`
`9`		`399920`
`10`		`1714601`
`11`		`7351903`
`12`		`31469992`
`13`		`134862960`
`14`		`577985643`
`15`		`2477090793`
`16`		`10617586380`
`17`		`45512098214`
`18`		`195087643326`
`19`		`836266725394`
`20`		`3584843949857`
`21`		`15367390560222`
`22`		`65877090945921`

[4,20,58,290,1217,5110,21969,93666,399920,1714601, 7351903,31469992,134862960,577985643,2477090793, 10617586380,45512098214,195087643326,836266725394, 3584843949857,15367390560222,65877090945921]

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Last modified April 24 00:30 EDT 2024. Contains 371917 sequences. (Running on oeis4.)