50422

Appears in sequences

• Values of n for which pi_{4,3}(p_n) - pi_{4,1}(p_n) = -1, where p_n is the n-th prime and pi_{m,a}(x) is the number of primes <= x which are congruent to a (mod m).at n=8A051024
• Numbers k such that k^6 == 1 (mod 7^5).at n=18A056103
• Integers k for which {prime(1), prime(2), ..., prime(k)} (mod 4) is biased towards 1.at n=22A096628
• a(n) = 3*7^n+1.at n=5A199418