A215290 - OEIS

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A215290 as a simple table

`n`		`a(n)`
`1`		`1`
`2`		`20`
`3`		`420`
`4`		`23100`
`5`		`1051050`
`6`		`85765680`
`7`		`5703417720`
`8`		`577185873264`
`9`		`48236247979920`
`10`		`5595404765670720`
`11`		`545152292883918720`
`12`		`69506917342699636800`
`13`		`7562187114225380722800`
`14`		`1033498905610802032116000`

[1,20,420,23100,1051050,85765680,5703417720, 577185873264,48236247979920,5595404765670720, 545152292883918720,69506917342699636800, 7562187114225380722800,1033498905610802032116000]

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Last modified April 25 13:22 EDT 2024. Contains 371969 sequences. (Running on oeis4.)