A026771 - OEIS

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A026771 as a simple table

`n`		`a(n)`
`1`		`1`
`2`		`6`
`3`		`31`
`4`		`156`
`5`		`784`
`6`		`3962`
`7`		`20173`
`8`		`103522`
`9`		`535294`
`10`		`2787700`
`11`		`14613710`
`12`		`77072816`
`13`		`408737760`
`14`		`2178631156`
`15`		`11666175215`
`16`		`62734622764`
`17`		`338660977020`
`18`		`1834690352066`
`19`		`9971834477972`
`20`		`54361287536706`
`21`		`297170702049966`
`22`		`1628670524735842`

[1,6,31,156,784,3962,20173,103522,535294,2787700, 14613710,77072816,408737760,2178631156, 11666175215,62734622764,338660977020, 1834690352066,9971834477972,54361287536706, 297170702049966,1628670524735842]

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Last modified April 19 19:02 EDT 2024. Contains 371798 sequences. (Running on oeis4.)