58243

Properties

Appears in sequences

• Number of positive integers <= 10^n that are divisible by no prime exceeding 5.at n=32A106598
• a(n) is the first prime index where the gap between R(n), Riemann's prime counting function, and Pi(n), the exact prime counting function, is greater than n.at n=12A226473
• a(n) = (3/n)*Sum_{k=0..n-1} A245769(k)^2.at n=5A268136
• Primes of the form k!3+3, where k!3 is the triple factorial number (A007661).at n=9A288889
• Prime numbersat n=5901