A033296 - OEIS

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A033296 as a simple table

`n`		`a(n)`
`1`		`1`
`2`		`6`
`3`		`42`
`4`		`326`
`5`		`2706`
`6`		`23526`
`7`		`211546`
`8`		`1951494`
`9`		`18366882`
`10`		`175674054`
`11`		`1702686090`
`12`		`16686795846`
`13`		`165079509042`
`14`		`1646340228006`
`15`		`16534463822010`
`16`		`167081444125702`
`17`		`1697551974416706`
`18`		`17330661859937670`
`19`		`177699201786231530`

[1,6,42,326,2706,23526,211546,1951494,18366882, 175674054,1702686090,16686795846,165079509042, 1646340228006,16534463822010,167081444125702, 1697551974416706,17330661859937670, 177699201786231530]

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Last modified March 5 15:22 EST 2021. Contains 341825 sequences. (Running on oeis4.)