A033669 - OEIS

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A033669 as a simple table

`n`		`a(n)`
`0`		`0`
`1`		`0`
`2`		`12480`
`3`		`4257360`
`4`		`251719680`
`5`		`5859750000`
`6`		`76189014720`
`7`		`664387432800`
`8`		`4329343549440`
`9`		`22594405433760`
`10`		`99000099000000`
`11`		`376611617793840`
`12`		`1275002791096320`
`13`		`3914079111480720`
`14`		`11055314381442240`
`15`		`29063182239000000`
`16`		`71776123339407360`

[0,0,12480,4257360,251719680,5859750000, 76189014720,664387432800,4329343549440, 22594405433760,99000099000000,376611617793840, 1275002791096320,3914079111480720, 11055314381442240,29063182239000000, 71776123339407360]

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