A013197 - OEIS

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A013197 as a simple table

`n`		`a(n)`
`0`		`0`
`1`		`1`
`2`		`0`
`3`		`0`
`4`		`4`
`5`		`-20`
`6`		`120`
`7`		`-560`
`8`		`2784`
`9`		`-7920`
`10`		`-24960`
`11`		`1034880`
`12`		`-14625536`
`13`		`172569280`
`14`		`-1661936640`
`15`		`12339608320`
`16`		`-13269651456`
`17`		`-1902800305920`
`18`		`53452617646080`
`19`		`-1037015219466240`
`20`		`16547577836929024`
`21`		`-208832669083243520`

[0,1,0,0,4,-20,120,-560,2784,-7920,-24960,1034880, -14625536,172569280,-1661936640,12339608320, -13269651456,-1902800305920,53452617646080, -1037015219466240,16547577836929024, -208832669083243520]

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Last modified September 5 14:34 EDT 2024. Contains 375700 sequences. (Running on oeis4.)