Primes == 3 (mod 8).

Terms

a(0) =3a(1) =11a(2) =19a(3) =43a(4) =59a(5) =67a(6) =83a(7) =107a(8) =131a(9) =139a(10) =163a(11) =179a(12) =211a(13) =227a(14) =251a(15) =283a(16) =307a(17) =331a(18) =347a(19) =379a(20) =419a(21) =443a(22) =467a(23) =491a(24) =499a(25) =523a(26) =547a(27) =563a(28) =571a(29) =587