251707

Properties

Appears in sequences

• Numbers k such that prime(k) == 3 (mod k).at n=13A023145
• Least k such that k-th prime > n * k.at n=13A038606
• Values of pi(x) where x exceeds n * pi(x).at n=13A038624
• Index j of prime p(j) such that floor(p(j)/j) = n is first satisfied.at n=13A062742
• Values of transition of A072608(n) from alternating behavior (0,1,0,1,..) into steadily-1 (1,1,1,..) behavior or changing back. Expressing in terms of A072609(n): at n values it switches from steadily 0 into steadily 1 successive values or back.at n=21A072610
• Duplicate of A038606.at n=14A090974
• Number of solutions to x*frac[p(x)/x]<=Log[n] or A004648(n)<=Log[n].at n=37A099641
• Numbers k such that prime(k+1) == 5 (mod k).at n=17A105329
• Least positive integer m with pi(m*n) = phi(m), where pi(.) is the prime-counting function and phi(.) is Euler's totient function.at n=13A247601
• Least integer k > 0 such that prime(k) - k*n is prime.at n=13A247895
• Numbers k such that A068902(k+1) <= A068902(k).at n=8A283053
• Prime numbersat n=22181