Primes p such that 91 is not a square mod p.

Terms

a(0) =2a(1) =17a(2) =19a(3) =23a(4) =31a(5) =37a(6) =43a(7) =47a(8) =59a(9) =61a(10) =79a(11) =83a(12) =101a(13) =107a(14) =109a(15) =127a(16) =137a(17) =149a(18) =157a(19) =167a(20) =173a(21) =179a(22) =181a(23) =191a(24) =193a(25) =197a(26) =211a(27) =223a(28) =227a(29) =257