Primes that do not divide any term of the Lucas 4-step sequence A073817.

Terms

a(0) =2789a(1) =3847a(2) =4451a(3) =4751a(4) =5431a(5) =6203a(6) =8317a(7) =9533a(8) =9629a(9) =9907a(10) =10093a(11) =11839a(12) =13903a(13) =13907a(14) =14207a(15) =15823a(16) =16319a(17) =16759a(18) =19543a(19) =20939a(20) =21379a(21) =21859a(22) =25303a(23) =26683a(24) =29483a(25) =30871a(26) =31267a(27) =31699a(28) =32003a(29) =32771