A009355 - OEIS

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

A009355 as a simple table

`n`		`a(n)`
`0`		`0`
`1`		`1`
`2`		`-1`
`3`		`0`
`4`		`-4`
`5`		`40`
`6`		`-181`
`7`		`896`
`8`		`-8464`
`9`		`88320`
`10`		`-863041`
`11`		`9382912`
`12`		`-120330244`
`13`		`1676579840`
`14`		`-24638823301`
`15`		`390142722048`
`16`		`-6678730634944`
`17`		`121851014348800`
`18`		`-2353418855768161`
`19`		`48123147849826304`
`20`		`-1039698070255280164`

[0,1,-1,0,-4,40,-181,896,-8464,88320,-863041, 9382912,-120330244,1676579840,-24638823301, 390142722048,-6678730634944,121851014348800, -2353418855768161,48123147849826304, -1039698070255280164]

License Agreements, Terms of Use, Privacy Policy. .

Last modified April 24 11:47 EDT 2024. Contains 371936 sequences. (Running on oeis4.)