A052804 - OEIS

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A052804 as a simple table

`n`		`a(n)`
`0`		`0`
`1`		`0`
`2`		`2`
`3`		`3`
`4`		`20`
`5`		`90`
`6`		`714`
`7`		`5460`
`8`		`54704`
`9`		`580608`
`10`		`7214040`
`11`		`96932880`
`12`		`1452396912`
`13`		`23507621280`
`14`		`414102201408`
`15`		`7827185489760`
`16`		`158757800613120`
`17`		`3429996441661440`
`18`		`78775916315263488`
`19`		`1914627403408320000`
`20`		`49126748261368331520`
`21`		`1326584986873331189760`

[0,0,2,3,20,90,714,5460,54704,580608,7214040, 96932880,1452396912,23507621280,414102201408, 7827185489760,158757800613120,3429996441661440, 78775916315263488,1914627403408320000, 49126748261368331520,1326584986873331189760]

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Last modified May 15 11:13 EDT 2024. Contains 372540 sequences. (Running on oeis4.)