A278642 - OEIS

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A278642 as a simple table

`n`		`a(n)`
`0`		`0`
`1`		`0`
`2`		`0`
`3`		`20`
`4`		`105`
`5`		`672`
`6`		`3535`
`7`		`19350`
`8`		`102795`
`9`		`556010`
`10`		`3010098`
`11`		`16467450`
`12`		`90619690`
`13`		`502194420`
`14`		`2798240265`
`15`		`15671993560`
`16`		`88156797855`
`17`		`497837886000`
`18`		`2821092554035`
`19`		`16035752398770`
`20`		`91403856697944`
`21`		`522308167195260`
`22`		`2991401733402075`
`23`		`17168047238861070`
`24`		`98716274117752900`
`25`		`568605754068247644`
`26`		`3280417827002225910`
`27`		`18953525314104758810`

[0,0,0,20,105,672,3535,19350,102795,556010, 3010098,16467450,90619690,502194420,2798240265, 15671993560,88156797855,497837886000, 2821092554035,16035752398770,91403856697944, 522308167195260,2991401733402075, 17168047238861070,98716274117752900, 568605754068247644,3280417827002225910, 18953525314104758810]

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Last modified April 25 13:27 EDT 2024. Contains 371971 sequences. (Running on oeis4.)