A006647 - OEIS

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A006647 as a simple table

`n`		`a(n)`
`4`		`1`
`5`		`1`
`6`		`3`
`7`		`6`
`8`		`15`
`9`		`33`
`10`		`83`
`11`		`202`
`12`		`527`
`13`		`1377`
`14`		`3744`
`15`		`10335`
`16`		`29297`
`17`		`84396`
`18`		`248034`
`19`		`740289`
`20`		`2245094`
`21`		`6904206`
`22`		`21522973`
`23`		`67936799`
`24`		`217026480`
`25`		`701159919`
`26`		`2289925258`
`27`		`7556363054`
`28`		`25184139149`
`29`		`84743377436`
`30`		`287815771822`
`31`		`986345040471`
`32`		`3409869008578`

[1,1,3,6,15,33,83,202,527,1377,3744,10335,29297, 84396,248034,740289,2245094,6904206,21522973, 67936799,217026480,701159919,2289925258, 7556363054,25184139149,84743377436,287815771822, 986345040471,3409869008578]

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Last modified April 18 22:18 EDT 2024. Contains 371782 sequences. (Running on oeis4.)