A012025 - OEIS

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A012025 as a simple table

`n`		`a(n)`
`1`		`1`
`2`		`-4`
`3`		`84`
`4`		`-4320`
`5`		`418320`
`6`		`-66225600`
`7`		`15657364800`
`8`		`-5187108326400`
`9`		`2296766568096000`
`10`		`-1310785979158656000`
`11`		`937056917610253440000`
`12`		`-820081468493365478400000`
`13`		`862301491174096979765760000`

[1,-4,84,-4320,418320,-66225600,15657364800, -5187108326400,2296766568096000, -1310785979158656000,937056917610253440000, -820081468493365478400000, 862301491174096979765760000]

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Last modified February 2 19:34 EST 2023. Contains 360024 sequences. (Running on oeis4.)