A180288 - OEIS

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A180288 as a simple table

`n`		`a(n)`
`8`		`8`
`9`		`72`
`10`		`450`
`11`		`2420`
`12`		`12012`
`13`		`56784`
`14`		`259896`
`15`		`1162800`
`16`		`5116200`
`17`		`22225256`
`18`		`95585220`
`19`		`407785239`
`20`		`1728221950`
`21`		`7284060210`
`22`		`30558007920`
`23`		`127687306230`
`24`		`531713205764`
`25`		`2207528270000`
`26`		`9140975106900`
`27`		`37763141619645`
`28`		`155684014548300`
`29`		`640640532117270`
`30`		`2631842094963600`

[8,72,450,2420,12012,56784,259896,1162800,5116200, 22225256,95585220,407785239,1728221950,7284060210, 30558007920,127687306230,531713205764, 2207528270000,9140975106900,37763141619645, 155684014548300,640640532117270,2631842094963600]

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Last modified May 12 20:41 EDT 2024. Contains 372494 sequences. (Running on oeis4.)