A024491 - OEIS

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A024491 as a simple table

`n`		`a(n)`
`0`		`-1`
`1`		`2`
`2`		`10`
`3`		`84`
`4`		`858`
`5`		`9724`
`6`		`117572`
`7`		`1485800`
`8`		`19389690`
`9`		`259289580`
`10`		`3534526380`
`11`		`48932534040`
`12`		`686119227300`
`13`		`9723892802904`
`14`		`139067101832008`
`15`		`2004484433302736`
`16`		`29089272078453818`
`17`		`424672260824486220`
`18`		`6232570989814602524`
`19`		`91901608649243484728`
`20`		`1360850743459951600780`

[-1,2,10,84,858,9724,117572,1485800,19389690, 259289580,3534526380,48932534040,686119227300, 9723892802904,139067101832008,2004484433302736, 29089272078453818,424672260824486220, 6232570989814602524,91901608649243484728, 1360850743459951600780]

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Last modified April 24 18:17 EDT 2024. Contains 371962 sequences. (Running on oeis4.)