A027203 - OEIS

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A027203 as a simple table

`n`		`a(n)`
`2`		`1`
`3`		`10`
`4`		`75`
`5`		`450`
`6`		`2814`
`7`		`15202`
`8`		`89623`
`9`		`466252`
`10`		`2677281`
`11`		`13691160`
`12`		`77546684`
`13`		`393047294`
`14`		`2209036094`
`15`		`11140807218`
`16`		`62325916869`
`17`		`313402240000`
`18`		`1748294223916`
`19`		`8775335427968`
`20`		`48864101440273`
`21`		`244988564184682`
`22`		`1362584143931457`

[1,10,75,450,2814,15202,89623,466252,2677281, 13691160,77546684,393047294,2209036094, 11140807218,62325916869,313402240000, 1748294223916,8775335427968,48864101440273, 244988564184682,1362584143931457]

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Last modified July 13 20:28 EDT 2024. Contains 374288 sequences. (Running on oeis4.)