A006251 - OEIS

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A006251 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`1`
`2`		`2`
`3`		`4`
`4`		`10`
`5`		`26`
`6`		`75`
`7`		`225`
`8`		`711`
`9`		`2311`
`10`		`7725`
`11`		`26313`
`12`		`91141`
`13`		`319749`
`14`		`1134234`
`15`		`4060128`
`16`		`14648614`
`17`		`53208998`
`18`		`194423568`
`19`		`714130372`
`20`		`2635256408`
`21`		`9764995800`
`22`		`36320086418`
`23`		`135548135854`
`24`		`507434502474`
`25`		`1904982684106`
`26`		`7170113287574`
`27`		`27051804890638`
`28`		`102287657120454`
`29`		`387558371409606`
`30`		`1471212825012499`
`31`		`5594771416613721`

[1,1,2,4,10,26,75,225,711,2311,7725,26313,91141, 319749,1134234,4060128,14648614,53208998, 194423568,714130372,2635256408,9764995800, 36320086418,135548135854,507434502474, 1904982684106,7170113287574,27051804890638, 102287657120454,387558371409606,1471212825012499, 5594771416613721]

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Last modified April 25 12:53 EDT 2024. Contains 371969 sequences. (Running on oeis4.)