19371
domain: N
Appears in sequences
- Positions of remoteness 3 in Beans-Don't-Talk.at n=41A005695
- 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=9A226473
- Numbers k at which the ratio A288814(k) / k reaches a record high.at n=44A301592
- Numbers k such that A071324(k) = A071324(k+1).at n=15A333261
- Successive records of function f(x) = log(abs(pi(x) - R(x)))/log(x) where pi(x) is the number of primes <= x and R(x) is Riemann's prime counting function.at n=54A353055
- 11-gonal numbers which are products of three distinct primes.at n=16A354446
- Numbers k whose binary expansion is a substring of the binary expansion of binomial(k,2).at n=41A356537
- a(n) = hypergeom([-n, -n, n, n + 1], [1, 1, 1], 1).at n=4A361878