A302190 - OEIS

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A302190 as a simple table

`n`		`a(n)`
`0`		`0`
`1`		`2`
`2`		`-1`
`3`		`2`
`4`		`-6`
`5`		`24`
`6`		`-120`
`7`		`720`
`8`		`-5040`
`9`		`40320`
`10`		`-362880`
`11`		`3628800`
`12`		`-39916800`
`13`		`479001600`
`14`		`-6227020800`
`15`		`87178291200`
`16`		`-1307674368000`
`17`		`20922789888000`
`18`		`-355687428096000`
`19`		`6402373705728000`
`20`		`-121645100408832000`
`21`		`2432902008176640000`
`22`		`-51090942171709440000`

[0,2,-1,2,-6,24,-120,720,-5040,40320,-362880, 3628800,-39916800,479001600,-6227020800, 87178291200,-1307674368000,20922789888000, -355687428096000,6402373705728000, -121645100408832000,2432902008176640000, -51090942171709440000]

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Last modified April 19 21:09 EDT 2024. Contains 371798 sequences. (Running on oeis4.)