Diagonal of the rational function 1/(1 - (w*x*y*z + w*x*y + w*x*z + w*y*z + x*y*z)).

A274783

Diagonal of the rational function 1/(1 - (w*x*y*z + w*x*y + w*x*z + w*y*z + x*y*z)).

Terms

    a(0) =1a(1) =1a(2) =1a(3) =25a(4) =121a(5) =361a(6) =3361a(7) =24361a(8) =116425a(9) =790441a(10) =6060121a(11) =36888721a(12) =238815721a(13) =1760983225a(14) =11968188961a(15) =79763351305a(16) =570661612585

External references