A056261 - OEIS

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A056261 as a simple table

`n`		`a(n)`
`2`		`2`
`3`		`28`
`4`		`252`
`5`		`1840`
`6`		`11924`
`7`		`71476`
`8`		`405204`
`9`		`2202724`
`10`		`11590162`
`11`		`59417180`
`12`		`298186524`
`13`		`1470151308`
`14`		`7140410208`
`15`		`34237750548`
`16`		`162350915772`
`17`		`762391407024`
`18`		`3549556185044`
`19`		`16400558514664`
`20`		`75263022053196`

[2,28,252,1840,11924,71476,405204,2202724, 11590162,59417180,298186524,1470151308,7140410208, 34237750548,162350915772,762391407024, 3549556185044,16400558514664,75263022053196]

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Last modified April 25 08:27 EDT 2024. Contains 371964 sequences. (Running on oeis4.)