Number of primes <= the n-th Fibonacci number.

Terms

a(0) =0a(1) =0a(2) =0a(3) =1a(4) =2a(5) =3a(6) =4a(7) =6a(8) =8a(9) =11a(10) =16a(11) =24a(12) =34a(13) =51a(14) =74a(15) =111a(16) =166a(17) =251a(18) =376a(19) =574a(20) =871a(21) =1329a(22) =2033a(23) =3121a(24) =4794a(25) =7396a(26) =11425a(27) =17688a(28) =27426a(29) =42613