214037

Appears in sequences

• Let p = n-th odd prime. Then a(n) = least positive integer congruent to 5 modulo 8 such that Legendre(a(n), q) = -1 for all odd primes q <= p.at n=13A094847
• Let p = n-th odd prime. Then a(n) = least positive integer congruent to 5 modulo 8 such that Legendre(a(n), q) = -1 for all odd primes q <= p.at n=14A094847
• Let p = n-th odd prime. Then a(n) = least positive integer congruent to 5 modulo 8 such that Legendre(a(n), q) = -1 for all odd primes q <= p.at n=15A094847
• Records in A094847.at n=9A094849
• Least number k such that the first n primes have Kronecker symbol (p|k) = -1.at n=14A191088
• Least number k such that the first n primes have Kronecker symbol (p|k) = -1.at n=15A191088
• Least number k such that the first n primes have Kronecker symbol (p|k) = -1.at n=16A191088
• a(n) = smallest number congruent to a quadratic non-residue modulo each of the first n odd primes.at n=14A206095
• a(n) = smallest number congruent to a quadratic non-residue modulo each of the first n odd primes.at n=15A206095
• a(n) is the least number k that is a quadratic residue modulo prime(n) but is a quadratic nonresidue modulo all previous odd primes.at n=16A376999