A081956 - OEIS

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A081956 as a simple table

`n`		`a(n)`
`1`		`2`
`2`		`10`
`3`		`38`
`4`		`130`
`5`		`422`
`6`		`1330`
`7`		`4118`
`8`		`12610`
`9`		`38342`
`10`		`116050`
`11`		`350198`
`12`		`1054690`
`13`		`3172262`
`14`		`9533170`
`15`		`28632278`
`16`		`85962370`
`17`		`258018182`
`18`		`774316690`
`19`		`2323474358`
`20`		`6971471650`
`21`		`20916512102`
`22`		`62753730610`
`23`		`188269580438`
`24`		`564825518530`
`25`		`1694510110022`

[2,10,38,130,422,1330,4118,12610,38342,116050, 350198,1054690,3172262,9533170,28632278,85962370, 258018182,774316690,2323474358,6971471650, 20916512102,62753730610,188269580438,564825518530, 1694510110022]

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Last modified April 25 01:35 EDT 2024. Contains 371964 sequences. (Running on oeis4.)