Differences between Fibonacci-lucky numbers.

Terms

a(0) =1a(1) =2a(2) =1a(3) =2a(4) =3a(5) =1a(6) =2a(7) =3a(8) =3a(9) =1a(10) =3a(11) =2a(12) =3a(13) =1a(14) =3a(15) =5a(16) =1a(17) =2a(18) =1a(19) =8a(20) =1a(21) =2a(22) =4a(23) =2a(24) =1a(25) =2a(26) =4a(27) =3a(28) =6a(29) =2