A148955 - OEIS

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A148955 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`1`
`2`		`3`
`3`		`9`
`4`		`30`
`5`		`104`
`6`		`374`
`7`		`1372`
`8`		`5121`
`9`		`19350`
`10`		`73820`
`11`		`283726`
`12`		`1097104`
`13`		`4262915`
`14`		`16630036`
`15`		`65090232`
`16`		`255470039`
`17`		`1005021759`
`18`		`3961596740`
`19`		`15642290396`
`20`		`61853211838`
`21`		`244889529931`
`22`		`970627733761`
`23`		`3850784072750`
`24`		`15290025210880`
`25`		`60755565168300`
`26`		`241571260582169`
`27`		`961066546034625`
`28`		`3825451487035020`

[1,1,3,9,30,104,374,1372,5121,19350,73820,283726, 1097104,4262915,16630036,65090232,255470039, 1005021759,3961596740,15642290396,61853211838, 244889529931,970627733761,3850784072750, 15290025210880,60755565168300,241571260582169, 961066546034625,3825451487035020]

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Last modified May 1 23:54 EDT 2024. Contains 372178 sequences. (Running on oeis4.)