A005768 - OEIS

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A005768 as a simple table

`n`		`a(n)`
`2`		`1`
`3`		`2`
`4`		`7`
`5`		`27`
`6`		`110`
`7`		`460`
`8`		`1948`
`9`		`8296`
`10`		`35400`
`11`		`151056`
`12`		`643892`
`13`		`2740216`
`14`		`11639416`
`15`		`49340080`
`16`		`208727176`
`17`		`881212272`
`18`		`3713043152`
`19`		`15615663008`
`20`		`65555425780`
`21`		`274734294328`
`22`		`1149506252376`
`23`		`4802212126704`
`24`		`20032666552664`
`25`		`83452195924304`
`26`		`347192769717040`
`27`		`1442672957396320`

[1,2,7,27,110,460,1948,8296,35400,151056,643892, 2740216,11639416,49340080,208727176,881212272, 3713043152,15615663008,65555425780,274734294328, 1149506252376,4802212126704,20032666552664, 83452195924304,347192769717040,1442672957396320]

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Last modified April 24 06:30 EDT 2024. Contains 371919 sequences. (Running on oeis4.)