A026899 - OEIS

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A026899 as a simple table

`n`		`a(n)`
`1`		`1`
`2`		`6`
`3`		`30`
`4`		`144`
`5`		`687`
`6`		`3296`
`7`		`15972`
`8`		`78294`
`9`		`388320`
`10`		`1947910`
`11`		`9875566`
`12`		`50560246`
`13`		`261177401`
`14`		`1360112590`
`15`		`7134802722`
`16`		`37673830960`
`17`		`200106632766`
`18`		`1068539351340`
`19`		`5733226876876`
`20`		`30894846668416`
`21`		`167137498306038`
`22`		`907416216735816`

[1,6,30,144,687,3296,15972,78294,388320,1947910, 9875566,50560246,261177401,1360112590,7134802722, 37673830960,200106632766,1068539351340, 5733226876876,30894846668416,167137498306038, 907416216735816]

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Last modified April 16 19:21 EDT 2024. Contains 371754 sequences. (Running on oeis4.)