A208561 - OEIS

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A208561 as a simple table

`n`		`a(n)`
`1`		`2`
`2`		`10`
`3`		`68`
`4`		`464`
`5`		`3168`
`6`		`21632`
`7`		`147712`
`8`		`1008640`
`9`		`6887424`
`10`		`47030272`
`11`		`321142784`
`12`		`2192900096`
`13`		`14974058496`
`14`		`102249267200`
`15`		`698201669632`
`16`		`4767619219456`
`17`		`32555340398592`
`18`		`222301769433088`
`19`		`1517971432275968`
`20`		`10365357302743040`

[2,10,68,464,3168,21632,147712,1008640,6887424, 47030272,321142784,2192900096,14974058496, 102249267200,698201669632,4767619219456, 32555340398592,222301769433088,1517971432275968, 10365357302743040]

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Last modified April 24 20:08 EDT 2024. Contains 371963 sequences. (Running on oeis4.)