A197237 - OEIS

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A197237 as a simple table

`n`		`a(n)`
`1`		`1`
`2`		`5`
`3`		`15`
`4`		`46`
`5`		`156`
`6`		`507`
`7`		`1637`
`8`		`5338`
`9`		`17401`
`10`		`56648`
`11`		`184384`
`12`		`600287`
`13`		`1954546`
`14`		`6363740`
`15`		`20718710`
`16`		`67455328`
`17`		`219621081`
`18`		`715042212`
`19`		`2328028685`
`20`		`7579574414`
`21`		`24677521267`
`22`		`80344901649`
`23`		`261586345777`
`24`		`851670870944`
`25`		`2772863697333`
`26`		`9027869180467`

[1,5,15,46,156,507,1637,5338,17401,56648,184384, 600287,1954546,6363740,20718710,67455328, 219621081,715042212,2328028685,7579574414, 24677521267,80344901649,261586345777,851670870944, 2772863697333,9027869180467]

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Last modified July 29 12:04 EDT 2024. Contains 374734 sequences. (Running on oeis4.)