A217800 - OEIS

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A217800 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`2`
`2`		`12`
`3`		`110`
`4`		`1274`
`5`		`17136`
`6`		`255816`
`7`		`4124406`
`8`		`70549050`
`9`		`1264752060`
`10`		`23555382240`
`11`		`452806924752`
`12`		`8939481277552`
`13`		`180551099694400`
`14`		`3719061442253520`
`15`		`77933728043586630`
`16`		`1658001861319441050`
`17`		`35749633305661575300`
`18`		`780123576993991461000`
`19`		`17208112644166765652100`

[1,2,12,110,1274,17136,255816,4124406,70549050, 1264752060,23555382240,452806924752,8939481277552, 180551099694400,3719061442253520, 77933728043586630,1658001861319441050, 35749633305661575300,780123576993991461000, 17208112644166765652100]

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Last modified May 15 05:46 EDT 2024. Contains 372538 sequences. (Running on oeis4.)