A097691 - OEIS

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A097691 as a simple table

`n`		`a(n)`
`1`		`1`
`2`		`2`
`3`		`8`
`4`		`56`
`5`		`551`
`6`		`6930`
`7`		`105937`
`8`		`1905632`
`9`		`39424240`
`10`		`922080050`
`11`		`24057287759`
`12`		`692686638072`
`13`		`21817946138353`
`14`		`746243766783074`
`15`		`27543862067299424`
`16`		`1091228270370045824`
`17`		`46187969968474139807`
`18`		`2080128468827570457762`
`19`		`99318726126650358502921`
`20`		`5011361251329169946919800`

[1,2,8,56,551,6930,105937,1905632,39424240, 922080050,24057287759,692686638072,21817946138353, 746243766783074,27543862067299424, 1091228270370045824,46187969968474139807, 2080128468827570457762,99318726126650358502921, 5011361251329169946919800]

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Last modified April 24 00:30 EDT 2024. Contains 371917 sequences. (Running on oeis4.)