A013156 - OEIS

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A013156 as a simple table

`n`		`a(n)`
`0`		`0`
`1`		`2`
`2`		`-1`
`3`		`-4`
`4`		`18`
`5`		`-110`
`6`		`495`
`7`		`-3560`
`8`		`19180`
`9`		`-175670`
`10`		`1060875`
`11`		`-12405100`
`12`		`74505750`
`13`		`-1145912950`
`14`		`5007404675`
`15`		`-121546204000`
`16`		`-249464553000`
`17`		`-9910138520750`
`18`		`-387578487479625`
`19`		`2249416271459500`
`20`		`-229283516527763750`

[0,2,-1,-4,18,-110,495,-3560,19180,-175670, 1060875,-12405100,74505750,-1145912950,5007404675, -121546204000,-249464553000,-9910138520750, -387578487479625,2249416271459500, -229283516527763750]

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Last modified April 23 06:04 EDT 2024. Contains 371906 sequences. (Running on oeis4.)