The diagonal of the rational function 1/(1 - x - y - x y - x z - y z).

A268542

The diagonal of the rational function 1/(1 - x - y - x y - x z - y z).

Terms

    a(0) =1a(1) =4a(2) =42a(3) =520a(4) =7090a(5) =102144a(6) =1525776a(7) =23380368a(8) =365130810a(9) =5786380600a(10) =92774019052

External references