Primes p such that x^5 = 2 has a solution mod p, but x^(5^2) = 2 has no solution mod p.

Terms

a(0) =151a(1) =251a(2) =3251a(3) =3301a(4) =4751a(5) =8501a(6) =11251a(7) =11701a(8) =13751a(9) =14251a(10) =14951a(11) =15551a(12) =16451a(13) =17401a(14) =18401a(15) =21401a(16) =21601a(17) =24251a(18) =28351a(19) =28901a(20) =32251a(21) =32401a(22) =32801a(23) =34301a(24) =36151a(25) =36451a(26) =37201a(27) =40351a(28) =42451a(29) =42701