Primes p such that 7 is a square mod p.

Terms

a(0) =2a(1) =3a(2) =7a(3) =19a(4) =29a(5) =31a(6) =37a(7) =47a(8) =53a(9) =59a(10) =83a(11) =103a(12) =109a(13) =113a(14) =131a(15) =137a(16) =139a(17) =149a(18) =167a(19) =193a(20) =197a(21) =199a(22) =223a(23) =227a(24) =233a(25) =251a(26) =271a(27) =277a(28) =281a(29) =283