A207731 - OEIS

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A207731 as a simple table

`n`		`a(n)`
`1`		`9`
`2`		`81`
`3`		`189`
`4`		`441`
`5`		`2163`
`6`		`10609`
`7`		`33063`
`8`		`103041`
`9`		`418263`
`10`		`1697809`
`11`		`5875227`
`12`		`20331081`
`13`		`77333859`
`14`		`294156801`
`15`		`1057136187`
`16`		`3799119769`
`17`		`14123193995`
`18`		`52502848225`
`19`		`191262879795`
`20`		`696752470089`
`21`		`2569117858827`
`22`		`9473043664561`
`23`		`34677617171731`

[9,81,189,441,2163,10609,33063,103041,418263, 1697809,5875227,20331081,77333859,294156801, 1057136187,3799119769,14123193995,52502848225, 191262879795,696752470089,2569117858827, 9473043664561,34677617171731]

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Last modified April 25 04:42 EDT 2024. Contains 371964 sequences. (Running on oeis4.)