50378

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=1A051024
• Integers k for which {prime(1), prime(2), ..., prime(k)} (mod 4) is biased towards 1.at n=1A096628
• Number of 5-step one space for components leftwards or up, two space for components rightwards or down asymmetric quasi-queen's tours (antidiagonal moves become knight moves) on an n X n board summed over all starting positions.at n=6A187860