A098777 - OEIS

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A098777 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`-1`
`2`		`-2`
`3`		`2`
`4`		`16`
`5`		`-40`
`6`		`-320`
`7`		`1040`
`8`		`12160`
`9`		`-52480`
`10`		`-742400`
`11`		`3872000`
`12`		`66457600`
`13`		`-411136000`
`14`		`-8202444800`
`15`		`58479872000`
`16`		`1335009280000`
`17`		`-10791497728000`
`18`		`-277035646976000`
`19`		`2502527565824000`
`20`		`71391934873600000`
`21`		`-712816377856000000`
`22`		`-22367684235100160000`
`23`		`244597236078018560000`

[1,-1,-2,2,16,-40,-320,1040,12160,-52480,-742400, 3872000,66457600,-411136000,-8202444800, 58479872000,1335009280000,-10791497728000, -277035646976000,2502527565824000, 71391934873600000,-712816377856000000, -22367684235100160000,244597236078018560000]

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Last modified April 28 18:59 EDT 2024. Contains 372092 sequences. (Running on oeis4.)