Numbers n such that the n-th Lucas number is prime and can be written in the form a^2 + b^2.
A216567
Numbers n such that the n-th Lucas number is prime and can be written in the form a^2 + b^2.
Terms
- a(0) =0a(1) =7a(2) =13a(3) =19a(4) =31a(5) =37a(6) =61a(7) =79a(8) =313a(9) =613a(10) =5851a(11) =7741a(12) =8467a(13) =13963a(14) =14449a(15) =35449a(16) =51169a(17) =193201a(18) =344293a(19) =387433a(20) =574219
External references
- oeis: A216567