A221276 - OEIS

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A221276 as a simple table

`n`		`a(n)`
`1`		`0`
`2`		`4`
`3`		`4`
`4`		`25`
`5`		`52`
`6`		`196`
`7`		`520`
`8`		`1681`
`9`		`4840`
`10`		`14884`
`11`		`44044`
`12`		`133225`
`13`		`397852`
`14`		`1196836`
`15`		`3585040`
`16`		`10764961`
`17`		`32278480`
`18`		`96864964`
`19`		`290545684`
`20`		`871725625`
`21`		`2615029252`
`22`		`7845353476`
`23`		`23535617560`
`24`		`70607649841`
`25`		`211821620920`
`26`		`635467254244`
`27`		`1906397776924`

[0,4,4,25,52,196,520,1681,4840,14884,44044,133225, 397852,1196836,3585040,10764961,32278480,96864964, 290545684,871725625,2615029252,7845353476, 23535617560,70607649841,211821620920,635467254244, 1906397776924]

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Last modified April 24 03:03 EDT 2024. Contains 371917 sequences. (Running on oeis4.)