A183476 - OEIS

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A183476 as a simple table

`n`		`a(n)`
`1`		`3`
`2`		`15`
`3`		`39`
`4`		`135`
`5`		`495`
`6`		`1647`
`7`		`5751`
`8`		`20223`
`9`		`70119`
`10`		`244863`
`11`		`855927`
`12`		`2985903`
`13`		`10426887`
`14`		`36416223`
`15`		`127148535`
`16`		`444006927`
`17`		`1550518119`
`18`		`5414352255`
`19`		`18907098327`
`20`		`66024403695`
`21`		`230558764743`
`22`		`805118884191`
`23`		`2811503074743`
`24`		`9817858453455`

[3,15,39,135,495,1647,5751,20223,70119,244863, 855927,2985903,10426887,36416223,127148535, 444006927,1550518119,5414352255,18907098327, 66024403695,230558764743,805118884191, 2811503074743,9817858453455]

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Last modified March 20 20:37 EDT 2023. Contains 361391 sequences. (Running on oeis4.)