A009487 - OEIS

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A009487 as a simple table

`n`		`a(n)`
`0`		`0`
`1`		`1`
`2`		`-1`
`3`		`2`
`4`		`-6`
`5`		`16`
`6`		`0`
`7`		`-736`
`8`		`12208`
`9`		`-169784`
`10`		`2318040`
`11`		`-32444776`
`12`		`472825056`
`13`		`-7215401192`
`14`		`115478109656`
`15`		`-1937542156096`
`16`		`34035113079360`
`17`		`-624767330011904`
`18`		`11958852841719552`
`19`		`-238135073165940736`
`20`		`4920755077661248000`

[0,1,-1,2,-6,16,0,-736,12208,-169784,2318040, -32444776,472825056,-7215401192,115478109656, -1937542156096,34035113079360,-624767330011904, 11958852841719552,-238135073165940736, 4920755077661248000]

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Last modified April 25 12:33 EDT 2024. Contains 371969 sequences. (Running on oeis4.)