Largest prime not exceeding Fibonacci(n) = A000045(n).

Terms

a(0) =2a(1) =3a(2) =5a(3) =7a(4) =13a(5) =19a(6) =31a(7) =53a(8) =89a(9) =139a(10) =233a(11) =373a(12) =607a(13) =983a(14) =1597a(15) =2579a(16) =4177a(17) =6763a(18) =10939a(19) =17707a(20) =28657a(21) =46351a(22) =75017a(23) =121379a(24) =196387a(25) =317797a(26) =514229a(27) =832003a(28) =1346249a(29) =2178283