A290908 - OEIS

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A290908 as a simple table

`n`		`a(n)`
`0`		`0`
`1`		`4`
`2`		`16`
`3`		`56`
`4`		`208`
`5`		`780`
`6`		`2912`
`7`		`10864`
`8`		`40544`
`9`		`151316`
`10`		`564720`
`11`		`2107560`
`12`		`7865520`
`13`		`29354524`
`14`		`109552576`
`15`		`408855776`
`16`		`1525870528`
`17`		`5694626340`
`18`		`21252634832`
`19`		`79315912984`
`20`		`296011017104`
`21`		`1104728155436`
`22`		`4122901604640`
`23`		`15386878263120`
`24`		`57424611447840`
`25`		`214311567528244`

[0,4,16,56,208,780,2912,10864,40544,151316,564720, 2107560,7865520,29354524,109552576,408855776, 1525870528,5694626340,21252634832,79315912984, 296011017104,1104728155436,4122901604640, 15386878263120,57424611447840,214311567528244]

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Last modified April 24 22:17 EDT 2024. Contains 371964 sequences. (Running on oeis4.)