Expansion of (1-x)^2/(1-5*x+3*x^2).

Terms

a(0) =1a(1) =3a(2) =13a(3) =56a(4) =241a(5) =1037a(6) =4462a(7) =19199a(8) =82609a(9) =355448a(10) =1529413a(11) =6580721a(12) =28315366a(13) =121834667a(14) =524227237a(15) =2255632184a(16) =9705479209a(17) =41760499493a(18) =179686059838a(19) =773148800711