Expansion of (1+4*x)/(1-6*x+x^2).

Terms

a(0) =1a(1) =10a(2) =59a(3) =344a(4) =2005a(5) =11686a(6) =68111a(7) =396980a(8) =2313769a(9) =13485634a(10) =78600035a(11) =458114576a(12) =2670087421a(13) =15562409950a(14) =90704372279a(15) =528663823724