A009521 - OEIS

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A009521 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`-1`
`2`		`-7`
`3`		`55`
`4`		`2897`
`5`		`-5105`
`6`		`-7252983`
`7`		`-341550201`
`8`		`43255573537`
`9`		`11238852308639`
`10`		`963068748879257`
`11`		`-153386988236833449`
`12`		`-82902651997417876879`
`13`		`-17679532127297031010385`
`14`		`-779530123182446522616663`

[1,-1,-7,55,2897,-5105,-7252983,-341550201, 43255573537,11238852308639,963068748879257, -153386988236833449,-82902651997417876879, -17679532127297031010385, -779530123182446522616663]

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Last modified September 3 01:08 EDT 2024. Contains 375630 sequences. (Running on oeis4.)