A275909 - OEIS

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A275909 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`5`
`2`		`20`
`3`		`75`
`4`		`288`
`5`		`1094`
`6`		`4171`
`7`		`15897`
`8`		`60565`
`9`		`230816`
`10`		`879521`
`11`		`3351544`
`12`		`12771524`
`13`		`48667365`
`14`		`185453453`
`15`		`706693601`
`16`		`2692945820`
`17`		`10261812539`
`18`		`39103937948`
`19`		`149010523846`
`20`		`567823518619`
`21`		`2163763618201`
`22`		`8245296020629`
`23`		`31419747421972`
`24`		`119728937140293`
`25`		`456242317652464`
`26`		`1738569283271528`

[1,5,20,75,288,1094,4171,15897,60565,230816, 879521,3351544,12771524,48667365,185453453, 706693601,2692945820,10261812539,39103937948, 149010523846,567823518619,2163763618201, 8245296020629,31419747421972,119728937140293, 456242317652464,1738569283271528]

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Last modified April 24 15:18 EDT 2024. Contains 371960 sequences. (Running on oeis4.)