Numbers n such that the n-th Lucas number is prime and can be written in the form a^2 + 3*b^2.

Terms

a(0) =2a(1) =4a(2) =11a(3) =17a(4) =19a(5) =41a(6) =113a(7) =313a(8) =353a(9) =617a(10) =1097a(11) =1361a(12) =4787a(13) =4793a(14) =5851a(15) =8467a(16) =10691a(17) =12251a(18) =13963a(19) =14449a(20) =35449a(21) =36779a(22) =44507a(23) =51169a(24) =56003a(25) =89849a(26) =140057a(27) =148091a(28) =159521a(29) =183089