A280888 - OEIS

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A280888 as a simple table

`n`		`a(n)`
`10`		`1`
`11`		`55`
`12`		`220`
`13`		`13585`
`14`		`2002`
`15`		`365365`
`16`		`732160`
`17`		`52971490`
`18`		`5299580`
`19`		`1872409682`
`20`		`99936200`
`21`		`23179025870`
`22`		`62214309080`
`23`		`5550857869040`
`24`		`12039496832`
`25`		`261712025228225`
`26`		`2847305553950`
`27`		`449212777481325`
`28`		`340010469598800`
`29`		`138437940253287675`
`30`		`2463591280250100`
`31`		`2996433107369524875`

[1,55,220,13585,2002,365365,732160,52971490, 5299580,1872409682,99936200,23179025870, 62214309080,5550857869040,12039496832, 261712025228225,2847305553950,449212777481325, 340010469598800,138437940253287675, 2463591280250100,2996433107369524875]

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Last modified April 24 22:17 EDT 2024. Contains 371964 sequences. (Running on oeis4.)