A009097 - OEIS

The OEIS is supported by the many generous donors to the OEIS Foundation.

A009097 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`0`
`2`		`-2`
`3`		`3`
`4`		`-3`
`5`		`10`
`6`		`-56`
`7`		`315`
`8`		`-1971`
`9`		`13788`
`10`		`-105246`
`11`		`857615`
`12`		`-7266223`
`13`		`61296222`
`14`		`-465353292`
`15`		`1982748495`
`16`		`36246192441`
`17`		`-1600097656520`
`18`		`43901543199046`
`19`		`-1078930450441413`
`20`		`25757481055625541`
`21`		`-615789512284527630`

[1,0,-2,3,-3,10,-56,315,-1971,13788,-105246, 857615,-7266223,61296222,-465353292,1982748495, 36246192441,-1600097656520,43901543199046, -1078930450441413,25757481055625541, -615789512284527630]

License Agreements, Terms of Use, Privacy Policy. .

Last modified April 25 11:39 EDT 2024. Contains 371969 sequences. (Running on oeis4.)