A027147 - OEIS

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A027147 as a simple table

`n`		`a(n)`
`2`		`1`
`3`		`12`
`4`		`56`
`5`		`480`
`6`		`2040`
`7`		`16576`
`8`		`69888`
`9`		`557568`
`10`		`2361600`
`11`		`18675712`
`12`		`79613952`
`13`		`626409472`
`14`		`2686867456`
`15`		`21071708160`
`16`		`90875494400`
`17`		`711081984000`
`18`		`3081088991232`
`19`		`24069137760256`
`20`		`104712901754880`
`21`		`816979824869376`
`22`		`3566715303624704`
`23`		`27800440481513472`
`24`		`121738713372819456`
`25`		`948129286114508800`

[1,12,56,480,2040,16576,69888,557568,2361600, 18675712,79613952,626409472,2686867456, 21071708160,90875494400,711081984000, 3081088991232,24069137760256,104712901754880, 816979824869376,3566715303624704, 27800440481513472,121738713372819456, 948129286114508800]

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Last modified May 25 22:51 EDT 2022. Contains 354073 sequences. (Running on oeis4.)