A218804 - OEIS

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A218804 as a simple table

`n`		`a(n)`
`1`		`3`
`2`		`15`
`3`		`57`
`4`		`225`
`5`		`895`
`6`		`3551`
`7`		`14089`
`8`		`55905`
`9`		`221827`
`10`		`880191`
`11`		`3492529`
`12`		`13858081`
`13`		`54987775`
`14`		`218187167`
`15`		`865749521`
`16`		`3435226017`
`17`		`13630706691`
`18`		`54085572239`
`19`		`214607297385`
`20`		`851544879425`
`21`		`3378863116543`
`22`		`13407063134527`
`23`		`53198172193817`

[3,15,57,225,895,3551,14089,55905,221827,880191, 3492529,13858081,54987775,218187167,865749521, 3435226017,13630706691,54085572239,214607297385, 851544879425,3378863116543,13407063134527, 53198172193817]

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Last modified August 30 22:39 EDT 2024. Contains 375550 sequences. (Running on oeis4.)