A019478 - OEIS

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A019478 as a simple table

`n`		`a(n)`
`0`		`3`
`1`		`15`
`2`		`76`
`3`		`386`
`4`		`1961`
`5`		`9963`
`6`		`50618`
`7`		`257170`
`8`		`1306579`
`9`		`6638211`
`10`		`33726124`
`11`		`171349094`
`12`		`870556961`
`13`		`4422955527`
`14`		`22471287314`
`15`		`114167721214`
`16`		`580041026803`
`17`		`2946958993287`
`18`		`14972332829596`
`19`		`76068500060858`
`20`		`386473956154025`
`21`		`1963521282342195`
`22`		`9975874867682426`
`23`		`50683473752292250`

[3,15,76,386,1961,9963,50618,257170,1306579, 6638211,33726124,171349094,870556961,4422955527, 22471287314,114167721214,580041026803, 2946958993287,14972332829596,76068500060858, 386473956154025,1963521282342195,9975874867682426, 50683473752292250]

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Last modified April 17 23:23 EDT 2024. Contains 371767 sequences. (Running on oeis4.)