A038720 - OEIS

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A038720 as a simple table

`n`		`a(n)`
`1`		`2`
`2`		`5`
`3`		`18`
`4`		`84`
`5`		`480`
`6`		`3240`
`7`		`25200`
`8`		`221760`
`9`		`2177280`
`10`		`23587200`
`11`		`279417600`
`12`		`3592512000`
`13`		`49816166400`
`14`		`741015475200`
`15`		`11769069312000`
`16`		`198766503936000`
`17`		`3556874280960000`
`18`		`67224923910144000`
`19`		`1338096104497152000`
`20`		`27978373094031360000`
`21`		`613091306060513280000`

[2,5,18,84,480,3240,25200,221760,2177280,23587200, 279417600,3592512000,49816166400,741015475200, 11769069312000,198766503936000,3556874280960000, 67224923910144000,1338096104497152000, 27978373094031360000,613091306060513280000]

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Last modified June 6 18:47 EDT 2024. Contains 373134 sequences. (Running on oeis4.)