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

Terms

a(0) =1a(1) =2a(2) =4a(3) =5a(4) =6a(5) =4a(6) =1a(7) =-6a(8) =-12a(9) =-19a(10) =-18a(11) =-12a(12) =9a(13) =34a(14) =68a(15) =85a(16) =86a(17) =36a(18) =-47a(19) =-182a(20) =-300a(21) =-387a(22) =-322a(23) =-108a(24) =345a(25) =882a(26) =1444a(27) =1637a(28) =1318a(29) =68