A009433 - OEIS

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

A009433 as a simple table

`n`		`a(n)`
`0`		`0`
`1`		`1`
`2`		`-1`
`3`		`-1`
`4`		`0`
`5`		`-11`
`6`		`15`
`7`		`27`
`8`		`-504`
`9`		`11817`
`10`		`-94185`
`11`		`1226455`
`12`		`-12442056`
`13`		`155936221`
`14`		`-1995562569`
`15`		`27870901107`
`16`		`-423463160400`
`17`		`6793396567633`
`18`		`-117302680146033`
`19`		`2130615128588591`
`20`		`-40960288523646320`
`21`		`827190717641773765`

[0,1,-1,-1,0,-11,15,27,-504,11817,-94185,1226455, -12442056,155936221,-1995562569,27870901107, -423463160400,6793396567633,-117302680146033, 2130615128588591,-40960288523646320, 827190717641773765]

License Agreements, Terms of Use, Privacy Policy. .

Last modified September 14 16:10 EDT 2024. Contains 375925 sequences. (Running on oeis4.)