Primes p such that 57 is not a square mod p.

Terms

a(0) =5a(1) =11a(2) =13a(3) =17a(4) =23a(5) =31a(6) =37a(7) =47a(8) =67a(9) =79a(10) =83a(11) =97a(12) =101a(13) =103a(14) =109a(15) =127a(16) =131a(17) =137a(18) =149a(19) =151a(20) =181a(21) =191a(22) =193a(23) =197a(24) =211a(25) =223a(26) =233a(27) =239a(28) =241a(29) =251