A229580 - OEIS

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A229580 as a simple table

`n`		`a(n)`
`1`		`1`
`2`		`6`
`3`		`40`
`4`		`224`
`5`		`1152`
`6`		`5632`
`7`		`26624`
`8`		`122880`
`9`		`557056`
`10`		`2490368`
`11`		`11010048`
`12`		`48234496`
`13`		`209715200`
`14`		`905969664`
`15`		`3892314112`
`16`		`16642998272`
`17`		`70866960384`
`18`		`300647710720`
`19`		`1271310319616`
`20`		`5360119185408`
`21`		`22539988369408`
`22`		`94557999988736`

[1,6,40,224,1152,5632,26624,122880,557056,2490368, 11010048,48234496,209715200,905969664,3892314112, 16642998272,70866960384,300647710720, 1271310319616,5360119185408,22539988369408, 94557999988736]

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Last modified April 25 16:45 EDT 2024. Contains 371989 sequences. (Running on oeis4.)