A144884 - OEIS

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A144884 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`3`
`2`		`21`
`3`		`123`
`4`		`792`
`5`		`5292`
`6`		`42768`
`7`		`348840`
`8`		`3313440`
`9`		`33734880`
`10`		`382423680`
`11`		`4683303360`
`12`		`62795865600`
`13`		`903908678400`
`14`		`14018003596800`
`15`		`231803919244800`
`16`		`4081121327001600`
`17`		`76062618390528000`
`18`		`1497060883196928000`
`19`		`31001124301830144000`
`20`		`673857550403702784000`

[1,3,21,123,792,5292,42768,348840,3313440, 33734880,382423680,4683303360,62795865600, 903908678400,14018003596800,231803919244800, 4081121327001600,76062618390528000, 1497060883196928000,31001124301830144000, 673857550403702784000]

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Last modified December 5 20:19 EST 2023. Contains 367594 sequences. (Running on oeis4.)