A013223 - OEIS

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A013223 as a simple table

`n`		`a(n)`
`0`		`0`
`1`		`0`
`2`		`-1`
`3`		`1`
`4`		`-6`
`5`		`15`
`6`		`-135`
`7`		`600`
`8`		`-6580`
`9`		`42805`
`10`		`-554085`
`11`		`4837050`
`12`		`-72076950`
`13`		`796427775`
`14`		`-13416518115`
`15`		`180272874600`
`16`		`-3389491521000`
`17`		`53781169937625`
`18`		`-1117482909042825`
`19`		`20474457815886750`
`20`		`-466428359492228250`

[0,0,-1,1,-6,15,-135,600,-6580,42805,-554085, 4837050,-72076950,796427775,-13416518115, 180272874600,-3389491521000,53781169937625, -1117482909042825,20474457815886750, -466428359492228250]

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Last modified April 23 18:16 EDT 2024. Contains 371916 sequences. (Running on oeis4.)