A006631 - OEIS

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A006631 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`8`
`2`		`52`
`3`		`320`
`4`		`1938`
`5`		`11704`
`6`		`70840`
`7`		`430560`
`8`		`2629575`
`9`		`16138848`
`10`		`99522896`
`11`		`616480384`
`12`		`3834669566`
`13`		`23944995480`
`14`		`150055305008`
`15`		`943448717120`
`16`		`5949850262895`
`17`		`37628321318280`
`18`		`238591135349700`
`19`		`1516500543586560`
`20`		`9660632784642840`
`21`		`61670325204822048`
`22`		`394451619337629792`

[1,8,52,320,1938,11704,70840,430560,2629575, 16138848,99522896,616480384,3834669566, 23944995480,150055305008,943448717120, 5949850262895,37628321318280,238591135349700, 1516500543586560,9660632784642840, 61670325204822048,394451619337629792]

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Last modified April 23 20:33 EDT 2024. Contains 371916 sequences. (Running on oeis4.)