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

Terms

a(0) =1a(1) =2a(2) =6a(3) =14a(4) =36a(5) =88a(6) =220a(7) =544a(8) =1352a(9) =3352a(10) =8320a(11) =20640a(12) =51216a(13) =127072a(14) =315296a(15) =782304a(16) =1941056a(17) =4816128a(18) =11949760a(19) =29649664a(20) =73566592a(21) =182532992a(22) =452899840a(23) =1123732480a(24) =2788198656a(25) =6918062592a(26) =17165057536a(27) =42589842944a(28) =105673675776a(29) =262196922368