A013222 - OEIS

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A013222 as a simple table

`n`		`a(n)`
`0`		`0`
`1`		`0`
`2`		`-1`
`3`		`1`
`4`		`-6`
`5`		`15`
`6`		`-105`
`7`		`390`
`8`		`-3500`
`9`		`15785`
`10`		`-181125`
`11`		`807750`
`12`		`-12261150`
`13`		`25793625`
`14`		`-784508725`
`15`		`-9327500000`
`16`		`54587949000`
`17`		`-5375441316375`
`18`		`69535091676375`
`19`		`-2529291250424250`
`20`		`40837337931958750`
`21`		`-1268829193109066875`

[0,0,-1,1,-6,15,-105,390,-3500,15785,-181125, 807750,-12261150,25793625,-784508725,-9327500000, 54587949000,-5375441316375,69535091676375, -2529291250424250,40837337931958750, -1268829193109066875]

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Last modified April 28 05:00 EDT 2024. Contains 372020 sequences. (Running on oeis4.)