A217451 - OEIS

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A217451 as a simple table

`n`		`a(n)`
`1`		`3`
`2`		`15`
`3`		`69`
`4`		`253`
`5`		`1049`
`6`		`4205`
`7`		`16887`
`8`		`68015`
`9`		`273471`
`10`		`1100135`
`11`		`4425449`
`12`		`17801365`
`13`		`71607677`
`14`		`288046417`
`15`		`1158686263`
`16`		`4660895899`
`17`		`18748771139`
`18`		`75418217399`
`19`		`303374944277`
`20`		`1220346484777`
`21`		`4908927310389`
`22`		`19746496259789`
`23`		`79431633434755`

[3,15,69,253,1049,4205,16887,68015,273471,1100135, 4425449,17801365,71607677,288046417,1158686263, 4660895899,18748771139,75418217399,303374944277, 1220346484777,4908927310389,19746496259789, 79431633434755]

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Last modified April 25 06:14 EDT 2024. Contains 371964 sequences. (Running on oeis4.)