A012648 - OEIS

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A012648 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`2`
`2`		`4`
`3`		`8`
`4`		`-240`
`5`		`17952`
`6`		`-1948608`
`7`		`295020672`
`8`		`-59798806272`
`9`		`15680355451392`
`10`		`-5172616470494208`
`11`		`2098138466506967040`
`12`		`-1026884688371863449600`
`13`		`596895972998821973729280`
`14`		`-406569645650910092250562560`

[1,2,4,8,-240,17952,-1948608,295020672, -59798806272,15680355451392,-5172616470494208, 2098138466506967040,-1026884688371863449600, 596895972998821973729280, -406569645650910092250562560]

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Last modified April 24 13:58 EDT 2024. Contains 371960 sequences. (Running on oeis4.)