A026027 - OEIS

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A026027 as a simple table

`n`		`a(n)`
`2`		`1`
`3`		`5`
`4`		`21`
`5`		`84`
`6`		`329`
`7`		`1274`
`8`		`4900`
`9`		`18768`
`10`		`71706`
`11`		`273581`
`12`		`1043119`
`13`		`3976700`
`14`		`15163785`
`15`		`57848910`
`16`		`220830360`
`17`		`843621600`
`18`		`3225477150`
`19`		`12342901410`
`20`		`47274639594`
`21`		`181230395304`
`22`		`695384769002`
`23`		`2670587146260`
`24`		`10265249568536`
`25`		`39491671919840`

[1,5,21,84,329,1274,4900,18768,71706,273581, 1043119,3976700,15163785,57848910,220830360, 843621600,3225477150,12342901410,47274639594, 181230395304,695384769002,2670587146260, 10265249568536,39491671919840]

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Last modified April 24 22:17 EDT 2024. Contains 371964 sequences. (Running on oeis4.)