A020988 - OEIS

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A020988 as a simple table

`n`		`a(n)`
`0`		`0`
`1`		`2`
`2`		`10`
`3`		`42`
`4`		`170`
`5`		`682`
`6`		`2730`
`7`		`10922`
`8`		`43690`
`9`		`174762`
`10`		`699050`
`11`		`2796202`
`12`		`11184810`
`13`		`44739242`
`14`		`178956970`
`15`		`715827882`
`16`		`2863311530`
`17`		`11453246122`
`18`		`45812984490`
`19`		`183251937962`
`20`		`733007751850`
`21`		`2932031007402`
`22`		`11728124029610`
`23`		`46912496118442`
`24`		`187649984473770`
`25`		`750599937895082`

[0,2,10,42,170,682,2730,10922,43690,174762,699050, 2796202,11184810,44739242,178956970,715827882, 2863311530,11453246122,45812984490,183251937962, 733007751850,2932031007402,11728124029610, 46912496118442,187649984473770,750599937895082]

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Last modified April 18 22:18 EDT 2024. Contains 371782 sequences. (Running on oeis4.)