A131815 - OEIS

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A131815 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`-2`
`2`		`-12`
`3`		`-120`
`4`		`1680`
`5`		`574560`
`6`		`100457280`
`7`		`18871332480`
`8`		`4068839174400`
`9`		`997177467686400`
`10`		`265676948766028800`
`11`		`68775633656816486400`
`12`		`9975596960728285286400`
`13`		`-9408345873371957191680000`
`14`		`-16902988368910895971399680000`

[1,-2,-12,-120,1680,574560,100457280,18871332480, 4068839174400,997177467686400,265676948766028800, 68775633656816486400,9975596960728285286400, -9408345873371957191680000, -16902988368910895971399680000]

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Last modified April 24 12:51 EDT 2024. Contains 371943 sequences. (Running on oeis4.)