A290380 - OEIS

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A290380 as a simple table

`n`		`a(n)`
`3`		`1`
`4`		`4`
`5`		`12`
`6`		`36`
`7`		`105`
`8`		`306`
`9`		`889`
`10`		`2584`
`11`		`7515`
`12`		`21880`
`13`		`63778`
`14`		`186132`
`15`		`543855`
`16`		`1590876`
`17`		`4658580`
`18`		`13655472`
`19`		`40065243`
`20`		`117654876`
`21`		`345786396`
`22`		`1017040380`
`23`		`2993498739`
`24`		`8816790906`
`25`		`25984489545`
`26`		`76625467128`
`27`		`226085062525`
`28`		`667415280376`
`29`		`1971209865654`
`30`		`5824651789852`

[1,4,12,36,105,306,889,2584,7515,21880,63778, 186132,543855,1590876,4658580,13655472,40065243, 117654876,345786396,1017040380,2993498739, 8816790906,25984489545,76625467128,226085062525, 667415280376,1971209865654,5824651789852]

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Last modified August 29 19:38 EDT 2024. Contains 375518 sequences. (Running on oeis4.)