Gray code of Fibonacci(n).

Terms

a(0) =0a(1) =1a(2) =1a(3) =3a(4) =2a(5) =7a(6) =12a(7) =11a(8) =31a(9) =51a(10) =44a(11) =117a(12) =216a(13) =157a(14) =453a(15) =851a(16) =566a(17) =1315a(18) =3860a(19) =6271a(20) =5979a(21) =16291a(22) =26552a(23) =22537a(24) =61360a(25) =112537a(26) =79657a(27) =229603a(28) =439754a(29) =275695