271743

Appears in sequences

• Related to Gilbreath conjecture.at n=42A001549
• First occurrence of just n semiprimes occurs between the a(n)-th prime and the next prime.at n=39A103669
• a(n) is the least k such that the number of integers between (1/4)*prime(k) and (1/4)*prime(k+1) is n.at n=34A390785
• a(n) is the least k such that the number of integers between (1/5)*prime(k) and (1/5)*prime(k+1) is n.at n=27A390786
• a(n) is the least k such that there are exactly n integers between (1/6)*prime(k) and (1/6)*prime(k+1).at n=22A390787