A022873 - OEIS

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A022873 as a simple table

`n`		`a(n)`
`1`		`2`
`2`		`1`
`3`		`1`
`4`		`2`
`5`		`6`
`6`		`19`
`7`		`61`
`8`		`197`
`9`		`638`
`10`		`2068`
`11`		`6706`
`12`		`21747`
`13`		`70525`
`14`		`228714`
`15`		`741726`
`16`		`2405442`
`17`		`7800930`
`18`		`25298683`
`19`		`82044498`
`20`		`266073128`
`21`		`862884304`
`22`		`2798363473`
`23`		`9075188983`
`24`		`29431149984`
`25`		`95446231592`
`26`		`309535411633`
`27`		`1003833985448`

[2,1,1,2,6,19,61,197,638,2068,6706,21747,70525, 228714,741726,2405442,7800930,25298683,82044498, 266073128,862884304,2798363473,9075188983, 29431149984,95446231592,309535411633, 1003833985448]

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Last modified May 6 07:22 EDT 2024. Contains 372290 sequences. (Running on oeis4.)