Indices of prime Lucas numbers.

Terms

a(0) =0a(1) =2a(2) =4a(3) =5a(4) =7a(5) =8a(6) =11a(7) =13a(8) =16a(9) =17a(10) =19a(11) =31a(12) =37a(13) =41a(14) =47a(15) =53a(16) =61a(17) =71a(18) =79a(19) =113a(20) =313a(21) =353a(22) =503a(23) =613a(24) =617a(25) =863a(26) =1097a(27) =1361a(28) =4787a(29) =4793