A077839 - OEIS

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A077839 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`2`
`2`		`8`
`3`		`30`
`4`		`110`
`5`		`406`
`6`		`1498`
`7`		`5526`
`8`		`20386`
`9`		`75206`
`10`		`277442`
`11`		`1023510`
`12`		`3775826`
`13`		`13929382`
`14`		`51386818`
`15`		`189570870`
`16`		`699345010`
`17`		`2579950406`
`18`		`9517682978`
`19`		`35111639766`
`20`		`129530186066`
`21`		`477849203686`
`22`		`1762831262722`
`23`		`6503252567670`
`24`		`23991118635826`
`25`		`88505523568262`

[1,2,8,30,110,406,1498,5526,20386,75206,277442, 1023510,3775826,13929382,51386818,189570870, 699345010,2579950406,9517682978,35111639766, 129530186066,477849203686,1762831262722, 6503252567670,23991118635826,88505523568262]

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Last modified April 25 07:53 EDT 2024. Contains 371964 sequences. (Running on oeis4.)