Expansion of g.f. (1-9*x)/(1-28*x).

A196512

Expansion of g.f. (1-9*x)/(1-28*x).

Terms

    a(0) =1a(1) =19a(2) =532a(3) =14896a(4) =417088a(5) =11678464a(6) =326996992a(7) =9155915776a(8) =256365641728

External references