A074115 - OEIS

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A074115 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`1`
`2`		`1`
`3`		`2`
`4`		`6`
`5`		`20`
`6`		`120`
`7`		`420`
`8`		`2688`
`9`		`18144`
`10`		`120960`
`11`		`1330560`
`12`		`7983360`
`13`		`103783680`
`14`		`1037836800`
`15`		`12454041600`
`16`		`149448499200`
`17`		`1693749657600`
`18`		`30487493836800`
`19`		`289631191449600`
`20`		`5792623828992000`
`21`		`121645100408832000`
`22`		`2676192208994304000`
`23`		`30776210403434496000`

[1,1,1,2,6,20,120,420,2688,18144,120960,1330560, 7983360,103783680,1037836800,12454041600, 149448499200,1693749657600,30487493836800, 289631191449600,5792623828992000, 121645100408832000,2676192208994304000, 30776210403434496000]

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Last modified July 13 08:08 EDT 2024. Contains 374274 sequences. (Running on oeis4.)