36254563domain: NAppears in sequencesLet p = n-th odd prime. Then a(n) = least positive integer congruent to 3 modulo 8 such that Legendre(-a(n), q) = -1 for all odd primes q <= p.at n=17A094841Records in A094841.at n=8A094843Least number k such that the first n primes have Kronecker symbol (p|k) = -1.at n=18A191088