A009352 - OEIS

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A009352 as a simple table

`n`		`a(n)`
`0`		`0`
`1`		`1`
`2`		`-1`
`3`		`6`
`4`		`-16`
`5`		`80`
`6`		`-421`
`7`		`2800`
`8`		`-21736`
`9`		`194304`
`10`		`-1961521`
`11`		`22060544`
`12`		`-273408136`
`13`		`3701321728`
`14`		`-54335326501`
`15`		`859630860288`
`16`		`-14579917279216`
`17`		`263892101169152`
`18`		`-5076781293615361`
`19`		`103444435675512832`
`20`		`-2225448965436594976`

[0,1,-1,6,-16,80,-421,2800,-21736,194304,-1961521, 22060544,-273408136,3701321728,-54335326501, 859630860288,-14579917279216,263892101169152, -5076781293615361,103444435675512832, -2225448965436594976]

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Last modified April 25 07:53 EDT 2024. Contains 371964 sequences. (Running on oeis4.)