A000816 - OEIS

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A000816 as a simple table

`n`		`a(n)`
`0`		`0`
`1`		`2`
`2`		`40`
`3`		`1952`
`4`		`177280`
`5`		`25866752`
`6`		`5535262720`
`7`		`1633165156352`
`8`		`635421069967360`
`9`		`315212388819402752`
`10`		`194181169538675507200`
`11`		`145435130631317935357952`
`12`		`130145345400688287667978240`
`13`		`137139396592145493713802493952`

[0,2,40,1952,177280,25866752,5535262720, 1633165156352,635421069967360,315212388819402752, 194181169538675507200,145435130631317935357952, 130145345400688287667978240, 137139396592145493713802493952]

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Last modified April 19 21:09 EDT 2024. Contains 371798 sequences. (Running on oeis4.)