A173411 - OEIS

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A173411 as a simple table

`n`		`a(n)`
`2`		`4`
`3`		`12`
`4`		`42`
`5`		`152`
`6`		`562`
`7`		`2108`
`8`		`7986`
`9`		`30476`
`10`		`116950`
`11`		`450756`
`12`		`1743470`
`13`		`6763152`
`14`		`26299104`
`15`		`102478208`
`16`		`400032822`
`17`		`1563985172`
`18`		`6122945694`
`19`		`23999991452`
`20`		`94173327894`
`21`		`369881810616`
`22`		`1454036828992`
`23`		`5720448937528`
`24`		`22521468585822`
`25`		`88725551176384`

[4,12,42,152,562,2108,7986,30476,116950,450756, 1743470,6763152,26299104,102478208,400032822, 1563985172,6122945694,23999991452,94173327894, 369881810616,1454036828992,5720448937528, 22521468585822,88725551176384]

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Last modified April 24 20:08 EDT 2024. Contains 371963 sequences. (Running on oeis4.)