A007180 - OEIS

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A007180 as a simple table

`n`		`a(n)`
`1`		`3`
`2`		`7`
`3`		`19`
`4`		`53`
`5`		`147`
`6`		`401`
`7`		`1123`
`8`		`3137`
`9`		`8793`
`10`		`24599`
`11`		`69287`
`12`		`194967`
`13`		`550361`
`14`		`1552645`
`15`		`4393021`
`16`		`12425121`
`17`		`35213027`
`18`		`99771855`
`19`		`283162701`
`20`		`803538483`
`21`		`2283184527`
`22`		`6486977223`
`23`		`18450767769`
`24`		`52477038631`
`25`		`149387309235`
`26`		`425257329235`
`27`		`1211493474199`

[3,7,19,53,147,401,1123,3137,8793,24599,69287, 194967,550361,1552645,4393021,12425121,35213027, 99771855,283162701,803538483,2283184527, 6486977223,18450767769,52477038631,149387309235, 425257329235,1211493474199]

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Last modified April 25 07:07 EDT 2024. Contains 371964 sequences. (Running on oeis4.)