Primes with primitive root 28.

Terms

a(0) =5a(1) =11a(2) =13a(3) =17a(4) =23a(5) =41a(6) =43a(7) =67a(8) =71a(9) =73a(10) =79a(11) =89a(12) =101a(13) =107a(14) =173a(15) =179a(16) =181a(17) =191a(18) =229a(19) =257a(20) =263a(21) =269a(22) =293a(23) =313a(24) =331a(25) =347a(26) =353a(27) =359a(28) =379a(29) =397