A006080 - OEIS

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A006080 as a simple table

`n`		`a(n)`
`1`		`1`
`2`		`1`
`3`		`2`
`4`		`4`
`5`		`9`
`6`		`21`
`7`		`56`
`8`		`155`
`9`		`469`
`10`		`1480`
`11`		`4882`
`12`		`16545`
`13`		`57384`
`14`		`202060`
`15`		`720526`
`16`		`2593494`
`17`		`9408469`
`18`		`34350507`
`19`		`126109784`
`20`		`465200333`
`21`		`1723346074`
`22`		`6408356210`
`23`		`23911272090`
`24`		`89495909409`
`25`		`335916761128`
`26`		`1264114452996`
`27`		`4768464309416`
`28`		`18027250459483`
`29`		`68291947831046`
`30`		`259200707489634`

[1,1,2,4,9,21,56,155,469,1480,4882,16545,57384, 202060,720526,2593494,9408469,34350507,126109784, 465200333,1723346074,6408356210,23911272090, 89495909409,335916761128,1264114452996, 4768464309416,18027250459483,68291947831046, 259200707489634]

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Last modified July 11 20:23 EDT 2024. Contains 374234 sequences. (Running on oeis4.)