A226968 - OEIS

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A226968 as a simple table

`n`		`a(n)`
`0`		`0`
`1`		`1`
`2`		`1`
`3`		`8`
`4`		`30`
`5`		`264`
`6`		`1920`
`7`		`20880`
`8`		`226800`
`9`		`3064320`
`10`		`43908480`
`11`		`722131200`
`12`		`12773376000`
`13`		`249559833600`
`14`		`5236924492800`
`15`		`118911189196800`
`16`		`2883421981440000`
`17`		`74715282690048000`
`18`		`2054450584682496000`
`19`		`59855791774851072000`
`20`		`1839882143683584000000`

[0,1,1,8,30,264,1920,20880,226800,3064320, 43908480,722131200,12773376000,249559833600, 5236924492800,118911189196800,2883421981440000, 74715282690048000,2054450584682496000, 59855791774851072000,1839882143683584000000]

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Last modified June 17 15:28 EDT 2024. Contains 373456 sequences. (Running on oeis4.)