A189284 - OEIS

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A189284 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`1`
`2`		`2`
`3`		`6`
`4`		`24`
`5`		`120`
`6`		`696`
`7`		`4572`
`8`		`34260`
`9`		`290328`
`10`		`2751480`
`11`		`28686024`
`12`		`328764732`
`13`		`4106158164`
`14`		`55495145304`
`15`		`806797105320`
`16`		`12554890849992`
`17`		`208164423163908`
`18`		`3663256621120548`
`19`		`68188490015132040`
`20`		`1338490745511631080`
`21`		`27630826605742438968`

[1,1,2,6,24,120,696,4572,34260,290328,2751480, 28686024,328764732,4106158164,55495145304, 806797105320,12554890849992,208164423163908, 3663256621120548,68188490015132040, 1338490745511631080,27630826605742438968]

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Last modified April 23 03:30 EDT 2024. Contains 371906 sequences. (Running on oeis4.)