A050397 - OEIS

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A050397 as a simple table

`n`		`a(n)`
`1`		`1`
`2`		`-2`
`3`		`4`
`4`		`-10`
`5`		`30`
`6`		`-104`
`7`		`392`
`8`		`-1568`
`9`		`6520`
`10`		`-27976`
`11`		`122944`
`12`		`-551680`
`13`		`2518912`
`14`		`-11684000`
`15`		`54957216`
`16`		`-261897024`
`17`		`1263216192`
`18`		`-6164172608`
`19`		`30416619200`
`20`		`-151750104800`
`21`		`765364073120`
`22`		`-3902783995520`
`23`		`20123276097920`

[1,-2,4,-10,30,-104,392,-1568,6520,-27976,122944, -551680,2518912,-11684000,54957216,-261897024, 1263216192,-6164172608,30416619200,-151750104800, 765364073120,-3902783995520,20123276097920]

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Last modified May 2 19:04 EDT 2024. Contains 372203 sequences. (Running on oeis4.)