A007019 - OEIS

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A007019 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`3`
`2`		`30`
`3`		`630`
`4`		`22680`
`5`		`1247400`
`6`		`97297200`
`7`		`10216206000`
`8`		`1389404016000`
`9`		`237588086736000`
`10`		`49893498214560000`
`11`		`12623055048283680000`
`12`		`3786916514485104000000`
`13`		`1329207696584271504000000`
`14`		`539658324813214230624000000`
`15`		`250941121038144617240160000000`
`16`		`132496911908140357902804480000000`

[1,3,30,630,22680,1247400,97297200,10216206000, 1389404016000,237588086736000,49893498214560000, 12623055048283680000,3786916514485104000000, 1329207696584271504000000, 539658324813214230624000000, 250941121038144617240160000000, 132496911908140357902804480000000]

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Last modified April 18 13:29 EDT 2024. Contains 371780 sequences. (Running on oeis4.)