A013489 - OEIS

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A013489 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`0`
`2`		`0`
`3`		`2`
`4`		`0`
`5`		`-8`
`6`		`40`
`7`		`226`
`8`		`-896`
`9`		`-8784`
`10`		`62304`
`11`		`745186`
`12`		`-6036096`
`13`		`-87930776`
`14`		`878453888`
`15`		`14731669954`
`16`		`-172356091904`
`17`		`-3284180017312`
`18`		`44229410876928`
`19`		`942576417055042`
`20`		`-14356887611836416`
`21`		`-338316707471357480`

[1,0,0,2,0,-8,40,226,-896,-8784,62304,745186, -6036096,-87930776,878453888,14731669954, -172356091904,-3284180017312,44229410876928, 942576417055042,-14356887611836416, -338316707471357480]

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Last modified May 6 09:23 EDT 2024. Contains 372293 sequences. (Running on oeis4.)