A208841 - OEIS

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A208841 as a simple table

`n`		`a(n)`
`1`		`9`
`2`		`81`
`3`		`171`
`4`		`855`
`5`		`2421`
`6`		`9801`
`7`		`31419`
`8`		`116919`
`9`		`394965`
`10`		`1419849`
`11`		`4902939`
`12`		`17375031`
`13`		`60551541`
`14`		`213310665`
`15`		`746231931`
`16`		`2622329271`
`17`		`9188418069`
`18`		`32255749449`
`19`		`113096449755`
`20`		`396852637239`
`21`		`1391845926069`
`22`		`4883081614281`
`23`		`17127968887611`

[9,81,171,855,2421,9801,31419,116919,394965, 1419849,4902939,17375031,60551541,213310665, 746231931,2622329271,9188418069,32255749449, 113096449755,396852637239,1391845926069, 4883081614281,17127968887611]

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Last modified February 6 11:28 EST 2023. Contains 360104 sequences. (Running on oeis4.)