A000917 - OEIS

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A000917 as a simple table

`n`		`a(n)`
`0`		`3`
`1`		`20`
`2`		`105`
`3`		`504`
`4`		`2310`
`5`		`10296`
`6`		`45045`
`7`		`194480`
`8`		`831402`
`9`		`3527160`
`10`		`14872858`
`11`		`62403600`
`12`		`260757900`
`13`		`1085822640`
`14`		`4508102925`
`15`		`18668849760`
`16`		`77138650050`
`17`		`318107374200`
`18`		`1309542023790`
`19`		`5382578744400`
`20`		`22093039119060`
`21`		`90567738003600`
`22`		`370847442355650`
`23`		`1516927277253024`

[3,20,105,504,2310,10296,45045,194480,831402, 3527160,14872858,62403600,260757900,1085822640, 4508102925,18668849760,77138650050,318107374200, 1309542023790,5382578744400,22093039119060, 90567738003600,370847442355650,1516927277253024]

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Last modified September 18 21:47 EDT 2024. Contains 376002 sequences. (Running on oeis4.)