A030195 - OEIS

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A030195 as a simple table

`n`		`a(n)`
`0`		`0`
`1`		`1`
`2`		`3`
`3`		`12`
`4`		`45`
`5`		`171`
`6`		`648`
`7`		`2457`
`8`		`9315`
`9`		`35316`
`10`		`133893`
`11`		`507627`
`12`		`1924560`
`13`		`7296561`
`14`		`27663363`
`15`		`104879772`
`16`		`397629405`
`17`		`1507527531`
`18`		`5715470808`
`19`		`21668995017`
`20`		`82153397475`
`21`		`311467177476`
`22`		`1180861724853`
`23`		`4476986706987`
`24`		`16973545295520`

[0,1,3,12,45,171,648,2457,9315,35316,133893, 507627,1924560,7296561,27663363,104879772, 397629405,1507527531,5715470808,21668995017, 82153397475,311467177476,1180861724853, 4476986706987,16973545295520]

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Last modified April 19 21:09 EDT 2024. Contains 371798 sequences. (Running on oeis4.)