261153653

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=24A094847
• 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=25A094847
• Records in A094847.at n=15A094849
• Least number k such that the first n primes have Kronecker symbol (p|k) = -1.at n=25A191088
• Least number k such that the first n primes have Kronecker symbol (p|k) = -1.at n=26A191088