Numbers n such that the n-th Lucas number is prime and can be written in the form a^2 + 6*b^2.

A216571

Numbers n such that the n-th Lucas number is prime and can be written in the form a^2 + 6*b^2.

Terms

    a(0) =4a(1) =11a(2) =313a(3) =4787a(4) =10691a(5) =12251a(6) =14449a(7) =35449a(8) =36779a(9) =44507a(10) =51169a(11) =56003a(12) =148091a(13) =193201a(14) =202667a(15) =387433a(16) =616787a(17) =692147

External references