Primes p such that x^3 = 5 has no solution mod p.

Terms

a(0) =7a(1) =19a(2) =31a(3) =37a(4) =43a(5) =61a(6) =73a(7) =79a(8) =97a(9) =103a(10) =109a(11) =139a(12) =151a(13) =157a(14) =193a(15) =223a(16) =229a(17) =271a(18) =277a(19) =283a(20) =307a(21) =331a(22) =349a(23) =373a(24) =397a(25) =421a(26) =433a(27) =439a(28) =463a(29) =499