Expansion of g.f. 1/((1-7*x)*(1-8*x)*(1-9*x)).

A020782

Expansion of g.f. 1/((1-7*x)*(1-8*x)*(1-9*x)).

Terms

    a(0) =1a(1) =24a(2) =385a(3) =5160a(4) =62401a(5) =706104a(6) =7628545a(7) =79669320a(8) =810888001a(9) =8089258584a(10) =79415935105a(11) =769621605480

External references