A005324 - OEIS

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A005324 as a simple table

`n`		`a(n)`
`4`		`1`
`5`		`5`
`6`		`20`
`7`		`70`
`8`		`230`
`9`		`726`
`10`		`2235`
`11`		`6765`
`12`		`20240`
`13`		`60060`
`14`		`177177`
`15`		`520455`
`16`		`1524120`
`17`		`4453320`
`18`		`12991230`
`19`		`37854954`
`20`		`110218905`
`21`		`320751445`
`22`		`933149470`
`23`		`2714401580`
`24`		`7895719634`
`25`		`22969224850`
`26`		`66829893650`
`27`		`194486929650`
`28`		`566141346225`
`29`		`1648500576021`

[1,5,20,70,230,726,2235,6765,20240,60060,177177, 520455,1524120,4453320,12991230,37854954, 110218905,320751445,933149470,2714401580, 7895719634,22969224850,66829893650,194486929650, 566141346225,1648500576021]

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Last modified April 25 07:41 EDT 2024. Contains 371964 sequences. (Running on oeis4.)