Expansion of ( 1-2*x+3*x^2 ) / ( 1-4*x+5*x^2-4*x^3 ).

Terms

a(0) =1a(1) =2a(2) =6a(3) =18a(4) =50a(5) =134a(6) =358a(7) =962a(8) =2594a(9) =6998a(10) =18870a(11) =50866a(12) =137106a(13) =369574a(14) =996230a(15) =2685474a(16) =7239042a(17) =19513718a(18) =52601558a(19) =141793810a(20) =382222322a(21) =1030326470a(22) =2777369510a(23) =7486734978a(24) =20181398242a(25) =54401396118a(26) =146645533174a(27) =395300745074