A223711 - OEIS

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A223711 as a simple table

`n`		`a(n)`
`1`		`4`
`2`		`16`
`3`		`53`
`4`		`155`
`5`		`418`
`6`		`1066`
`7`		`2611`
`8`		`6205`
`9`		`14408`
`10`		`32852`
`11`		`73825`
`12`		`163951`
`13`		`360574`
`14`		`786574`
`15`		`1704095`
`16`		`3670193`
`17`		`7864516`
`18`		`16777432`
`19`		`35651821`
`20`		`75497731`
`21`		`159383834`
`22`		`335544626`
`23`		`704643403`
`24`		`1476395365`
`25`		`3087008128`
`26`		`6442451356`
`27`		`13421773241`
`28`		`27917287895`

[4,16,53,155,418,1066,2611,6205,14408,32852,73825, 163951,360574,786574,1704095,3670193,7864516, 16777432,35651821,75497731,159383834,335544626, 704643403,1476395365,3087008128,6442451356, 13421773241,27917287895]

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Last modified July 23 19:18 EDT 2024. Contains 374553 sequences. (Running on oeis4.)