Expansion of (1 + x - x^3)/((1 + x - x^3)^2 - 4*x).

Terms

a(0) =1a(1) =3a(2) =5a(3) =8a(4) =19a(5) =46a(6) =98a(7) =201a(8) =429a(9) =937a(10) =2024a(11) =4325a(12) =9260a(13) =19916a(14) =42841a(15) =91999a(16) =197485a(17) =424160a(18) =911255a(19) =1957402a(20) =4203998a(21) =9029425a(22) =19394681a(23) =41658577a(24) =89478064a(25) =192188361a(26) =412801176a(27) =886657848a(28) =1904452689a(29) =4090568027