Primes p such that 78 is not a square mod p.

Terms

a(0) =5a(1) =17a(2) =19a(3) =47a(4) =61a(5) =67a(6) =71a(7) =73a(8) =79a(9) =97a(10) =103a(11) =107a(12) =113a(13) =127a(14) =131a(15) =149a(16) =157a(17) =163a(18) =167a(19) =179a(20) =181a(21) =193a(22) =197a(23) =199a(24) =233a(25) =239a(26) =241a(27) =251a(28) =257a(29) =277