A290690 - OEIS

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A290690 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`0`
`2`		`2`
`3`		`48`
`4`		`660`
`5`		`8640`
`6`		`132600`
`7`		`2520000`
`8`		`56046480`
`9`		`1375557120`
`10`		`36456769440`
`11`		`1041522451200`
`12`		`32083867126080`
`13`		`1061964845061120`
`14`		`37543201808112000`
`15`		`1409292653408640000`
`16`		`55917035430800544000`
`17`		`2337184142686903910400`
`18`		`102624865930477758067200`

[1,0,2,48,660,8640,132600,2520000,56046480, 1375557120,36456769440,1041522451200, 32083867126080,1061964845061120,37543201808112000, 1409292653408640000,55917035430800544000, 2337184142686903910400,102624865930477758067200]

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Last modified April 24 00:30 EDT 2024. Contains 371917 sequences. (Running on oeis4.)