Expansion of 1/((1-5*x)*(1-10*x)).

Terms

a(0) =1a(1) =15a(2) =175a(3) =1875a(4) =19375a(5) =196875a(6) =1984375a(7) =19921875a(8) =199609375a(9) =1998046875a(10) =19990234375a(11) =199951171875