A012241 - OEIS

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A012241 as a simple table

`n`		`a(n)`
`0`		`-1`
`1`		`2`
`2`		`-40`
`3`		`1360`
`4`		`-87680`
`5`		`8723200`
`6`		`-1254323200`
`7`		`245463296000`
`8`		`-62768582656000`
`9`		`20318491009024000`
`10`		`-8121379360440320000`
`11`		`3928322245164728320000`
`12`		`-2261534088991670272000000`

[-1,2,-40,1360,-87680,8723200,-1254323200, 245463296000,-62768582656000,20318491009024000, -8121379360440320000,3928322245164728320000, -2261534088991670272000000]

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Last modified April 25 07:07 EDT 2024. Contains 371964 sequences. (Running on oeis4.)