a(n) = Fibonacci(n) represented in bijective base-3 numeration.

Terms

a(0) =1a(1) =1a(2) =2a(3) =3a(4) =12a(5) =22a(6) =111a(7) =133a(8) =321a(9) =1231a(10) =2322a(11) =11323a(12) =22122a(13) =111222a(14) =211121a(15) =323113a(16) =1311311a(17) =3112131a(18) =12131212a(19) =22321113a(20) =112222332a(21) =212321222a(22) =332321331a(23) =1323113323a(24) =3133213131a(25) =12311111231a(26) =23221332132a(27) =113233221133a(28) =221232331112