A253487 - OEIS

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A253487 as a simple table

`n`		`a(n)`
`0`		`2`
`1`		`16`
`2`		`90`
`3`		`448`
`4`		`2100`
`5`		`9504`
`6`		`42042`
`7`		`183040`
`8`		`787644`
`9`		`3359200`
`10`		`14226212`
`11`		`59907456`
`12`		`251100200`
`13`		`1048380480`
`14`		`4362680250`
`15`		`18103127040`
`16`		`74934688620`
`17`		`309509877600`
`18`		`1275964023180`
`19`		`5251296336000`
`20`		`21579247511640`
`21`		`88555121603520`
`22`		`362957071241700`
`23`		`1485969577717248`

[2,16,90,448,2100,9504,42042,183040,787644, 3359200,14226212,59907456,251100200,1048380480, 4362680250,18103127040,74934688620,309509877600, 1275964023180,5251296336000,21579247511640, 88555121603520,362957071241700,1485969577717248]

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Last modified April 19 19:02 EDT 2024. Contains 371798 sequences. (Running on oeis4.)