A002774 - OEIS

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A002774 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`2`
`2`		`9`
`3`		`31`
`4`		`109`
`5`		`339`
`6`		`1043`
`7`		`2998`
`8`		`8406`
`9`		`22652`
`10`		`59521`
`11`		`151958`
`12`		`379693`
`13`		`927622`
`14`		`2224235`
`15`		`5236586`
`16`		`12130780`
`17`		`27669593`
`18`		`62229990`
`19`		`138095696`
`20`		`302673029`
`21`		`655627975`
`22`		`1404599867`
`23`		`2977831389`
`24`		`6251060785`
`25`		`12999299705`
`26`		`26791990052`
`27`		`54750235190`
`28`		`110977389012`

[1,2,9,31,109,339,1043,2998,8406,22652,59521, 151958,379693,927622,2224235,5236586,12130780, 27669593,62229990,138095696,302673029,655627975, 1404599867,2977831389,6251060785,12999299705, 26791990052,54750235190,110977389012]

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Last modified April 24 08:48 EDT 2024. Contains 371930 sequences. (Running on oeis4.)