A187009 - OEIS

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A187009 as a simple table

`n`		`a(n)`
`1`		`1`
`2`		`-1`
`3`		`2`
`4`		`-6`
`5`		`20`
`6`		`-80`
`7`		`348`
`8`		`-1778`
`9`		`9892`
`10`		`-64392`
`11`		`449596`
`12`		`-3609782`
`13`		`30152616`
`14`		`-284037468`
`15`		`2694480888`
`16`		`-28592860322`
`17`		`295151311376`
`18`		`-3440953545088`
`19`		`37165311149276`
`20`		`-471576198145144`
`21`		`5062381083026352`
`22`		`-71104461751595892`

[1,-1,2,-6,20,-80,348,-1778,9892,-64392,449596, -3609782,30152616,-284037468,2694480888, -28592860322,295151311376,-3440953545088, 37165311149276,-471576198145144,5062381083026352, -71104461751595892]

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Last modified July 22 14:43 EDT 2024. Contains 374501 sequences. (Running on oeis4.)