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

Terms

a(0) =1a(1) =1a(2) =1a(3) =1a(4) =3a(5) =5a(6) =7a(7) =9a(8) =15a(9) =25a(10) =39a(11) =57a(12) =87a(13) =137a(14) =215a(15) =329a(16) =503a(17) =777a(18) =1207a(19) =1865a(20) =2871a(21) =4425a(22) =6839a(23) =10569a(24) =16311a(25) =25161a(26) =38839a(27) =59977a(28) =92599a(29) =142921