A006234 - OEIS

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A006234 as a simple table

`n`		`a(n)`
`3`		`1`
`4`		`4`
`5`		`15`
`6`		`54`
`7`		`189`
`8`		`648`
`9`		`2187`
`10`		`7290`
`11`		`24057`
`12`		`78732`
`13`		`255879`
`14`		`826686`
`15`		`2657205`
`16`		`8503056`
`17`		`27103491`
`18`		`86093442`
`19`		`272629233`
`20`		`860934420`
`21`		`2711943423`
`22`		`8523250758`
`23`		`26732013741`
`24`		`83682825624`
`25`		`261508830075`
`26`		`815907549834`
`27`		`2541865828329`

[1,4,15,54,189,648,2187,7290,24057,78732,255879, 826686,2657205,8503056,27103491,86093442, 272629233,860934420,2711943423,8523250758, 26732013741,83682825624,261508830075,815907549834, 2541865828329]

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Last modified April 18 03:33 EDT 2024. Contains 371767 sequences. (Running on oeis4.)