Primes p such that 39 is a square mod p.

Terms

a(0) =2a(1) =3a(2) =5a(3) =7a(4) =13a(5) =19a(6) =23a(7) =31a(8) =41a(9) =61a(10) =67a(11) =89a(12) =107a(13) =131a(14) =137a(15) =149a(16) =151a(17) =157a(18) =163a(19) =179a(20) =181a(21) =191a(22) =197a(23) =223a(24) =251a(25) =263a(26) =271a(27) =277a(28) =281a(29) =293