Diagonal of (1 - 9 x y) / ((1 - 3 y - 2 x + 3 y^2 + 9 x^2 y) * (1 - u - z - u z) * (1 - v - w)).

A276015

Diagonal of (1 - 9 x y) / ((1 - 3 y - 2 x + 3 y^2 + 9 x^2 y) * (1 - u - z - u z) * (1 - v - w)).

Terms

    a(0) =1a(1) =18a(2) =1404a(3) =158760a(4) =21234150a(5) =3126159036a(6) =489778537248

External references