A140456 - OEIS

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A140456 as a simple table

`n`		`a(n)`
`1`		`1`
`2`		`1`
`3`		`1`
`4`		`3`
`5`		`7`
`6`		`23`
`7`		`71`
`8`		`255`
`9`		`911`
`10`		`3535`
`11`		`13903`
`12`		`57663`
`13`		`243871`
`14`		`1072031`
`15`		`4812575`
`16`		`22278399`
`17`		`105300287`
`18`		`510764095`
`19`		`2527547455`
`20`		`12794891007`
`21`		`66012404863`
`22`		`347599231103`
`23`		`1863520447103`
`24`		`10178746224639`
`25`		`56548686860543`
`26`		`319628408814847`
`27`		`1835814213846271`

[1,1,1,3,7,23,71,255,911,3535,13903,57663,243871, 1072031,4812575,22278399,105300287,510764095, 2527547455,12794891007,66012404863,347599231103, 1863520447103,10178746224639,56548686860543, 319628408814847,1835814213846271]

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Last modified May 17 19:53 EDT 2024. Contains 372607 sequences. (Running on oeis4.)