A019577 - OEIS

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A019577 as a simple table

`n`		`a(n)`
`1`		`0`
`2`		`1`
`3`		`6`
`4`		`45`
`5`		`420`
`6`		`4800`
`7`		`65520`
`8`		`1045170`
`9`		`19126800`
`10`		`395448480`
`11`		`9120988800`
`12`		`232248416400`
`13`		`6471820555200`
`14`		`195912193276800`
`15`		`6402199349145600`
`16`		`224636583525354000`
`17`		`8423131243022496000`
`18`		`336138596955120960000`
`19`		`14224375944427993344000`
`20`		`636224790017466730080000`

[0,1,6,45,420,4800,65520,1045170,19126800, 395448480,9120988800,232248416400,6471820555200, 195912193276800,6402199349145600, 224636583525354000,8423131243022496000, 336138596955120960000,14224375944427993344000, 636224790017466730080000]

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Last modified April 26 20:34 EDT 2024. Contains 372004 sequences. (Running on oeis4.)