A291817 - OEIS

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A291817 as a simple table

`n`		`a(n)`
`1`		`1`
`2`		`4`
`3`		`40`
`4`		`580`
`5`		`10312`
`6`		`209752`
`7`		`4707952`
`8`		`114128308`
`9`		`2946787192`
`10`		`80268150808`
`11`		`2290811949904`
`12`		`68149759850680`
`13`		`2105074730357968`
`14`		`67308231895605520`
`15`		`2222306773263886624`
`16`		`75615701295449074084`
`17`		`2647156154616207962920`
`18`		`95215874465318554556776`
`19`		`3514739264129342710455184`
`20`		`133012394550946993742673304`
`21`		`5156112210399927390763631056`
`22`		`204570581814658024128260509360`

[1,4,40,580,10312,209752,4707952,114128308, 2946787192,80268150808,2290811949904, 68149759850680,2105074730357968,67308231895605520, 2222306773263886624,75615701295449074084, 2647156154616207962920,95215874465318554556776, 3514739264129342710455184, 133012394550946993742673304, 5156112210399927390763631056, 204570581814658024128260509360]

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Last modified August 14 11:06 EDT 2024. Contains 375159 sequences. (Running on oeis4.)