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

Terms

a(0) =1a(1) =2a(2) =2a(3) =3a(4) =6a(5) =8a(6) =9a(7) =14a(8) =22a(9) =27a(10) =34a(11) =52a(12) =73a(13) =90a(14) =122a(15) =179a(16) =238a(17) =304a(18) =425a(19) =598a(20) =782a(21) =1035a(22) =1450a(23) =1980a(24) =2601a(25) =3522a(26) =4882a(27) =6563a(28) =8726a(29) =11928