A172806 - OEIS

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A172806 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`1`
`2`		`5`
`3`		`120`
`4`		`10147`
`5`		`2224955`
`6`		`1047649905`
`7`		`936670590450`
`8`		`1455918295922650`
`9`		`3680232136895819610`
`10`		`14356628851597700179050`
`11`		`82857993930808028192521800`
`12`		`683327637694741065563262206250`
`13`		`7821620120684573354895941635688250`

[1,1,5,120,10147,2224955,1047649905,936670590450, 1455918295922650,3680232136895819610, 14356628851597700179050, 82857993930808028192521800, 683327637694741065563262206250, 7821620120684573354895941635688250]

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Last modified April 25 15:00 EDT 2024. Contains 371989 sequences. (Running on oeis4.)