A222987 - OEIS

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A222987 as a simple table

`n`		`a(n)`
`1`		`2`
`2`		`4`
`3`		`7`
`4`		`25`
`5`		`86`
`6`		`332`
`7`		`1172`
`8`		`4566`
`9`		`16562`
`10`		`64718`
`11`		`238856`
`12`		`933970`
`13`		`3493494`
`14`		`13656426`
`15`		`51627746`
`16`		`201696470`
`17`		`768828322`
`18`		`3002421486`
`19`		`11518434130`
`20`		`44975259758`
`21`		`173404040458`
`22`		`677168068918`
`23`		`2621003912178`
`24`		`10238867982150`
`25`		`39750857800978`

[2,4,7,25,86,332,1172,4566,16562,64718,238856, 933970,3493494,13656426,51627746,201696470, 768828322,3002421486,11518434130,44975259758, 173404040458,677168068918,2621003912178, 10238867982150,39750857800978]

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Last modified August 9 02:54 EDT 2024. Contains 375024 sequences. (Running on oeis4.)