A072171 - OEIS

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A072171 as a simple table

`n`		`a(n)`
`-1`		`2`
`0`		`6`
`1`		`14`
`2`		`71`
`3`		`190`
`4`		`610`
`5`		`1292`
`6`		`5946`
`7`		`17765`
`8`		`51094`
`9`		`140062`
`10`		`409194`
`11`		`1196690`
`12`		`3481113`
`13`		`10126390`
`14`		`29457184`
`15`		`85689537`
`16`		`249266759`
`17`		`725105060`
`18`		`2109295881`
`19`		`6135840666`
`20`		`17848866544`

[2,6,14,71,190,610,1292,5946,17765,51094,140062, 409194,1196690,3481113,10126390,29457184,85689537, 249266759,725105060,2109295881,6135840666, 17848866544]

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Last modified June 20 00:15 EDT 2013. Contains 226416 sequences.