Expansion of (1-6*x)/((1-x)*(1-10*x)).

Terms

a(0) =1a(1) =5a(2) =45a(3) =445a(4) =4445a(5) =44445a(6) =444445a(7) =4444445a(8) =44444445a(9) =444444445a(10) =4444444445a(11) =44444444445a(12) =444444444445