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

Terms

a(0) =1a(1) =2a(2) =2a(3) =2a(4) =4a(5) =8a(6) =12a(7) =16a(8) =24a(9) =40a(10) =64a(11) =96a(12) =144a(13) =224a(14) =352a(15) =544a(16) =832a(17) =1280a(18) =1984a(19) =3072a(20) =4736a(21) =7296a(22) =11264a(23) =17408a(24) =26880a(25) =41472a(26) =64000a(27) =98816a(28) =152576a(29) =235520