120293879

Properties

Appears in sequences

• a(n) is the least number m such that the n-th prime is the least quadratic nonresidue modulo m.at n=20A000229
• Smallest prime p of form p = 8k-1 such that first n primes (p_1=2, ..., p_n) are quadratic residues mod p.at n=18A002223
• Smallest prime p of form p = 8k-1 such that first n primes (p_1=2, ..., p_n) are quadratic residues mod p.at n=19A002223
• Least negative pseudosquare modulo the first n odd primes.at n=19A045535
• Smallest integer >= 2 that is not the sum of 2 positive integers whose prime factors are all <= p(n), the n-th prime.at n=20A062241
• Primes corresponding to the records in the sequence of smallest positive quadratic nonresidues (A053760).at n=17A147970
• Smallest prime p modulo which the first n primes are nonzero quadratic residues.at n=18A147972
• Smallest prime p modulo which the first n primes are nonzero quadratic residues.at n=19A147972
• Prime numbersat n=6857528