Expansion of g.f. 1/((1-6*x)*(1-7*x)*(1-9*x)).

A020571

Expansion of g.f. 1/((1-6*x)*(1-7*x)*(1-9*x)).

Terms

    a(0) =1a(1) =22a(2) =325a(3) =4030a(4) =45301a(5) =478702a(6) =4851925a(7) =47752510a(8) =460048501a(9) =4362445582a(10) =40876539925a(11) =379553364190

External references