A008909 - OEIS

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A008909 as a simple table

`n`		`a(n)`
`1`		`1`
`2`		`1`
`3`		`3`
`4`		`8`
`5`		`21`
`6`		`56`
`7`		`153`
`8`		`428`
`9`		`1222`
`10`		`3549`
`11`		`10454`
`12`		`31159`
`13`		`93801`
`14`		`284788`
`15`		`871007`
`16`		`2681018`
`17`		`8298932`
`18`		`25817395`
`19`		`80674901`
`20`		`253106836`
`21`		`796968055`
`22`		`2517706036`
`23`		`7977573202`
`24`		`25347126629`
`25`		`80738862084`
`26`		`257778971503`
`27`		`824798533932`
`28`		`2644335308021`
`29`		`8493626448823`

[1,1,3,8,21,56,153,428,1222,3549,10454,31159, 93801,284788,871007,2681018,8298932,25817395, 80674901,253106836,796968055,2517706036, 7977573202,25347126629,80738862084,257778971503, 824798533932,2644335308021,8493626448823]

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Last modified May 10 17:06 EDT 2024. Contains 372388 sequences. (Running on oeis4.)