A012649 - OEIS

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A012649 as a simple table

`n`		`a(n)`
`0`		`0`
`1`		`2`
`2`		`-8`
`3`		`8`
`4`		`2112`
`5`		`-199008`
`6`		`22569600`
`7`		`-3419806080`
`8`		`685509888000`
`9`		`-177249701752320`
`10`		`57657923420313600`
`11`		`-23084838758992066560`
`12`		`11165823102677176074240`
`13`		`-6422018427189941047418880`

[0,2,-8,8,2112,-199008,22569600,-3419806080, 685509888000,-177249701752320,57657923420313600, -23084838758992066560,11165823102677176074240, -6422018427189941047418880]

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Last modified April 24 20:05 EDT 2024. Contains 371963 sequences. (Running on oeis4.)