A125145 - OEIS

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A125145 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`4`
`2`		`15`
`3`		`57`
`4`		`216`
`5`		`819`
`6`		`3105`
`7`		`11772`
`8`		`44631`
`9`		`169209`
`10`		`641520`
`11`		`2432187`
`12`		`9221121`
`13`		`34959924`
`14`		`132543135`
`15`		`502509177`
`16`		`1905156936`
`17`		`7222998339`
`18`		`27384465825`
`19`		`103822392492`
`20`		`393620574951`
`21`		`1492328902329`
`22`		`5657848431840`
`23`		`21450532002507`

[1,4,15,57,216,819,3105,11772,44631,169209,641520, 2432187,9221121,34959924,132543135,502509177, 1905156936,7222998339,27384465825,103822392492, 393620574951,1492328902329,5657848431840, 21450532002507]

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Last modified May 1 05:44 EDT 2024. Contains 372148 sequences. (Running on oeis4.)