Numbers n such that the n-th Fibonacci number is prime and can be written in the form a^2 + 5*b^2.

A216559

Numbers n such that the n-th Fibonacci number is prime and can be written in the form a^2 + 5*b^2.

Terms

    a(0) =11a(1) =29a(2) =131a(3) =359a(4) =431a(5) =449a(6) =509a(7) =569a(8) =571a(9) =2971a(10) =9311a(11) =14431a(12) =25561a(13) =35999a(14) =37511a(15) =81839a(16) =104911a(17) =130021a(18) =148091a(19) =397379a(20) =433781a(21) =590041a(22) =593689a(23) =604711a(24) =1803059a(25) =1968721

External references