A121406 - OEIS

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A121406 as a simple table

`n`		`a(n)`
`1`		`0`
`2`		`0`
`3`		`2`
`4`		`6`
`5`		`30`
`6`		`270`
`7`		`2970`
`8`		`44550`
`9`		`757350`
`10`		`15904350`
`11`		`429417450`
`12`		`12453106050`
`13`		`435858711750`
`14`		`16998489758250`
`15`		`696938080088250`
`16`		`31362213603971250`
`17`		`1599472893802533750`
`18`		`91169954946744423750`
`19`		`5379027341857921001250`

[0,0,2,6,30,270,2970,44550,757350,15904350, 429417450,12453106050,435858711750,16998489758250, 696938080088250,31362213603971250, 1599472893802533750,91169954946744423750, 5379027341857921001250]

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Last modified August 11 10:58 EDT 2024. Contains 375068 sequences. (Running on oeis4.)