Primes p such that 87 is not a square mod p.

Terms

a(0) =5a(1) =7a(2) =11a(3) =37a(4) =47a(5) =53a(6) =61a(7) =67a(8) =73a(9) =97a(10) =103a(11) =131a(12) =139a(13) =149a(14) =151a(15) =157a(16) =173a(17) =191a(18) =193a(19) =197a(20) =199a(21) =223a(22) =229a(23) =233a(24) =251a(25) =257a(26) =263a(27) =281a(28) =283a(29) =311