Diagonal of the rational function 1/(1 - x - y - z + x*y + x*z - y*z).
A274665
Diagonal of the rational function 1/(1 - x - y - z + x*y + x*z - y*z).
Terms
- a(0) =1a(1) =4a(2) =30a(3) =280a(4) =2890a(5) =31584a(6) =358176a(7) =4168560a(8) =49455450a(9) =595480600a(10) =7254787540a(11) =89234708160
External references
- oeis: A274665