a(n) = round(log(Fibonacci(prime(k))/prime(k))), where k = A119984(n).

Terms

a(0) =0a(1) =0a(2) =1a(3) =2a(4) =3a(5) =5a(6) =7a(7) =10a(8) =16a(9) =18a(10) =35a(11) =57a(12) =60a(13) =166a(14) =201a(15) =201a(16) =209a(17) =238a(18) =267a(19) =268a(20) =1421a(21) =2263a(22) =2583a(23) =4471a(24) =4647a(25) =6934a(26) =12289a(27) =14789a(28) =17312a(29) =18039