Primes p such that x^3 = 23 has no solution mod p.

Terms

a(0) =7a(1) =13a(2) =19a(3) =43a(4) =67a(5) =73a(6) =79a(7) =97a(8) =127a(9) =151a(10) =181a(11) =199a(12) =223a(13) =229a(14) =277a(15) =283a(16) =307a(17) =331a(18) =337a(19) =349a(20) =367a(21) =397a(22) =409a(23) =421a(24) =433a(25) =439a(26) =457a(27) =487a(28) =499a(29) =523