A059728 - OEIS

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A059728 as a simple table

`n`		`a(n)`
`0`		`3`
`1`		`3`
`2`		`9`
`3`		`21`
`4`		`57`
`5`		`153`
`6`		`423`
`7`		`1179`
`8`		`3321`
`9`		`9415`
`10`		`26843`
`11`		`76869`
`12`		`220951`
`13`		`637107`
`14`		`1842129`
`15`		`5339133`
`16`		`15507641`
`17`		`45127965`
`18`		`131548859`
`19`		`384059009`
`20`		`1122835671`
`21`		`3286907517`
`22`		`9633053985`
`23`		`28262033613`
`24`		`82998088607`
`25`		`243963263943`
`26`		`717698981853`
`27`		`2112976735749`

[3,3,9,21,57,153,423,1179,3321,9415,26843,76869, 220951,637107,1842129,5339133,15507641,45127965, 131548859,384059009,1122835671,3286907517, 9633053985,28262033613,82998088607,243963263943, 717698981853,2112976735749]

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Last modified May 4 21:32 EDT 2024. Contains 372257 sequences. (Running on oeis4.)