A233020 - OEIS

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A233020 as a simple table

`n`		`a(n)`
`1`		`3`
`2`		`15`
`3`		`81`
`4`		`435`
`5`		`2337`
`6`		`12555`
`7`		`67449`
`8`		`362355`
`9`		`1946673`
`10`		`10458075`
`11`		`56183721`
`12`		`301834755`
`13`		`1621541217`
`14`		`8711375595`
`15`		`46799960409`
`16`		`251422553235`
`17`		`1350712686993`
`18`		`7256408541435`
`19`		`38983468081161`
`20`		`209430157488675`
`21`		`1125117723605697`

[3,15,81,435,2337,12555,67449,362355,1946673, 10458075,56183721,301834755,1621541217,8711375595, 46799960409,251422553235,1350712686993, 7256408541435,38983468081161,209430157488675, 1125117723605697]

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Last modified August 28 05:00 EDT 2024. Contains 375477 sequences. (Running on oeis4.)