Primes p such that 6p + 7 is a square.

Terms

a(0) =3a(1) =7a(2) =19a(3) =47a(4) =59a(5) =103a(6) =139a(7) =227a(8) =307a(9) =367a(10) =467a(11) =503a(12) =619a(13) =839a(14) =887a(15) =1039a(16) =1319a(17) =1567a(18) =1699a(19) =1907a(20) =1979a(21) =2203a(22) =2687a(23) =3407a(24) =4003a(25) =4759a(26) =4987a(27) =5827a(28) =6079a(29) =6599