A013277 - OEIS

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A013277 as a simple table

`n`		`a(n)`
`0`		`0`
`1`		`0`
`2`		`-1`
`3`		`3`
`4`		`-6`
`5`		`15`
`6`		`-90`
`7`		`315`
`8`		`2520`
`9`		`-42525`
`10`		`340200`
`11`		`-3586275`
`12`		`56133000`
`13`		`-662837175`
`14`		`4767562800`
`15`		`-32564156625`
`16`		`551675124000`
`17`		`-4287613955625`
`18`		`-143803315656000`
`19`		`4293290973596625`
`20`		`-53086088130075000`

[0,0,-1,3,-6,15,-90,315,2520,-42525,340200, -3586275,56133000,-662837175,4767562800, -32564156625,551675124000,-4287613955625, -143803315656000,4293290973596625, -53086088130075000]

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Last modified April 23 06:45 EDT 2024. Contains 371906 sequences. (Running on oeis4.)