A013229 - OEIS

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A013229 as a simple table

`n`		`a(n)`
`0`		`0`
`1`		`0`
`2`		`-1`
`3`		`1`
`4`		`-6`
`5`		`15`
`6`		`-90`
`7`		`285`
`8`		`-1960`
`9`		`2275`
`10`		`-12600`
`11`		`-877725`
`12`		`9088200`
`13`		`-206895975`
`14`		`2291088800`
`15`		`-43975670375`
`16`		`519884196000`
`17`		`-10108488755625`
`18`		`124295092272000`
`19`		`-2588043770222625`
`20`		`31717643136725000`

[0,0,-1,1,-6,15,-90,285,-1960,2275,-12600,-877725, 9088200,-206895975,2291088800,-43975670375, 519884196000,-10108488755625,124295092272000, -2588043770222625,31717643136725000]

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Last modified September 8 15:58 EDT 2024. Contains 375753 sequences. (Running on oeis4.)