A178957 - OEIS

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A178957 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`1`
`2`		`1`
`3`		`6`
`4`		`12`
`5`		`60`
`6`		`180`
`7`		`1008`
`8`		`20160`
`9`		`25920`
`10`		`14175`
`11`		`6652800`
`12`		`23950080`
`13`		`141523200`
`14`		`544864320`
`15`		`100590336000`
`16`		`213497856000`
`17`		`3952082534400`
`18`		`200074178304000`
`19`		`3577797070848000`
`20`		`15595525693440000`
`21`		`51711479930880000`
`22`		`28100018194440192000`
`23`		`1846572624206069760000`
`24`		`14101100039391805440000`
`25`		`168600109166641152000000`
`26`		`2100476360034404352000000`
`27`		`6405217323775501271040000`
`28`		`418802671169936621568000000`
`29`		`2506168365572477878272000000`
`30`		`2368329105465991594967040000000`

[1,1,1,6,12,60,180,1008,20160,25920,14175,6652800, 23950080,141523200,544864320,100590336000, 213497856000,3952082534400,200074178304000, 3577797070848000,15595525693440000, 51711479930880000,28100018194440192000, 1846572624206069760000,14101100039391805440000, 168600109166641152000000, 2100476360034404352000000, 6405217323775501271040000, 418802671169936621568000000, 2506168365572477878272000000, 2368329105465991594967040000000]

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Last modified May 13 12:32 EDT 2024. Contains 372519 sequences. (Running on oeis4.)