A087954 - OEIS

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A087954 as a simple table

`n`		`a(n)`
`2`		`40`
`3`		`320`
`4`		`2160`
`5`		`15004`
`6`		`103680`
`7`		`709804`
`8`		`4868640`
`9`		`33385280`
`10`		`228811000`
`11`		`1568358004`
`12`		`10749957120`
`13`		`73681030804`
`14`		`505018447960`
`15`		`3461452808000`
`16`		`23725145626560`
`17`		`162614587921804`
`18`		`1114577054219520`
`19`		`7639424691459004`
`20`		`52361396168994000`
`21`		`358890350005878080`

[40,320,2160,15004,103680,709804,4868640,33385280, 228811000,1568358004,10749957120,73681030804, 505018447960,3461452808000,23725145626560, 162614587921804,1114577054219520,7639424691459004, 52361396168994000,358890350005878080]

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Last modified June 3 00:27 EDT 2024. Contains 373054 sequences. (Running on oeis4.)