Inert rational primes in Q(sqrt 7), or, 7 is not a square mod p.

Terms

a(0) =5a(1) =11a(2) =13a(3) =17a(4) =23a(5) =41a(6) =43a(7) =61a(8) =67a(9) =71a(10) =73a(11) =79a(12) =89a(13) =97a(14) =101a(15) =107a(16) =127a(17) =151a(18) =157a(19) =163a(20) =173a(21) =179a(22) =181a(23) =191a(24) =211a(25) =229a(26) =239a(27) =241a(28) =257a(29) =263