A009383 - OEIS

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A009383 as a simple table

`n`		`a(n)`
`0`		`0`
`1`		`1`
`2`		`-2`
`3`		`5`
`4`		`-15`
`5`		`54`
`6`		`-240`
`7`		`1350`
`8`		`-9450`
`9`		`78120`
`10`		`-725760`
`11`		`7371000`
`12`		`-81081000`
`13`		`965487600`
`14`		`-12454041600`
`15`		`173675502000`
`16`		`-2605132530000`
`17`		`41763850128000`
`18`		`-711374856192000`
`19`		`12817252047600000`
`20`		`-243527788904400000`

[0,1,-2,5,-15,54,-240,1350,-9450,78120,-725760, 7371000,-81081000,965487600,-12454041600, 173675502000,-2605132530000,41763850128000, -711374856192000,12817252047600000, -243527788904400000]

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Last modified April 24 18:17 EDT 2024. Contains 371962 sequences. (Running on oeis4.)