A001500 - OEIS

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A001500 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`1`
`2`		`4`
`3`		`55`
`4`		`2008`
`5`		`153040`
`6`		`20933840`
`7`		`4662857360`
`8`		`1579060246400`
`9`		`772200774683520`
`10`		`523853880779443200`
`11`		`477360556805016931200`
`12`		`569060910292172349004800`
`13`		`868071731152923490921728000`

[1,1,4,55,2008,153040,20933840,4662857360, 1579060246400,772200774683520,523853880779443200, 477360556805016931200,569060910292172349004800, 868071731152923490921728000]

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Last modified May 21 05:20 EDT 2013. Contains 225474 sequences.