A002980 - OEIS

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A002980 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`1`
`2`		`0`
`3`		`-1`
`4`		`24`
`5`		`121`
`6`		`-480`
`7`		`-4201`
`8`		`48384`
`9`		`478801`
`10`		`-4968960`
`11`		`-62871601`
`12`		`885586944`
`13`		`12996863881`
`14`		`-203910819840`
`15`		`-3476839930201`
`16`		`63397697224704`
`17`		`1221998040867361`
`18`		`-24917358603141120`
`19`		`-537278342731116001`

[1,1,0,-1,24,121,-480,-4201,48384,478801,-4968960, -62871601,885586944,12996863881,-203910819840, -3476839930201,63397697224704,1221998040867361, -24917358603141120,-537278342731116001]

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Last modified April 19 19:02 EDT 2024. Contains 371798 sequences. (Running on oeis4.)