Expansion of Product_{k>=1} (1 + 9^(k-1)*x^k).

A344068

Expansion of Product_{k>=1} (1 + 9^(k-1)*x^k).

Terms

    a(0) =1a(1) =1a(2) =9a(3) =90a(4) =810a(5) =8019a(6) =72900a(7) =715149a(8) =6495390a(9) =63772920a(10) =579270690a(11) =5643903420a(12) =51613018479a(13) =499772430810

External references