This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A277284 #69 Nov 19 2024 06:34:20 %S A277284 3,5,11,17,83,431,509,130021,148091,433781 %N A277284 Prime-indexed primes p such that Fibonacci(p) is prime. %C A277284 Intersection of A006450 and A083668. - _Michel Marcus_, Oct 21 2016 %F A277284 a(n) = prime(A277575(n)). %F A277284 a(n) = prime(prime(A122534(n))). %e A277284 17 = A000040(7), with 7 itself being a prime, and A000045(17) = 1597, a prime, thus 17 is included in this sequence. %t A277284 Select[Prime[Prime[Range[37000]]],PrimeQ[Fibonacci[#]]&] (* _Harvey P. Dale_, Sep 12 2019 *) %o A277284 (PARI) isok(p) = isprime(p) && isprime(primepi(p)) && isprime(fibonacci(p)); \\ _Michel Marcus_, Oct 21 2016 %Y A277284 Cf. A000040, A000045, A006450, A083668, A122534, A277575. %K A277284 nonn,hard,more %O A277284 1,1 %A A277284 _Bobby Jacobs_, Oct 21 2016