%I #33 Sep 15 2024 22:11:08
%S 1,2,3,4,9,23,25,1456,1616,3865
%N Numbers k such that Fibonacci(prime(prime(k))) is prime.
%C The corresponding primes are {2,5,89,1597,99194853094755497,...}.
%C Numbers k such that A093308(k) is prime.
%C A277575(n) = prime(a(n)) is a prime in A119984.
%F a(n) = PrimePi(A277575(n)) = PrimePi(PrimePi(A277284(n))). - _Bobby Jacobs_, Oct 26 2016
%Y Cf. A000040, A000045, A119984, A083668, A093308, A075737, A001605, A006450, A005478, A030426, A277284, A277575.
%K hard,more,nonn
%O 1,2
%A _Alexander Adamchuk_, Sep 18 2006