50450

Appears in sequences

• Integers k such that in the list of divisors of k (in base 6), each digit 0-5 appears equally often.at n=11A045815
• 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=17A051024
• Number of Lyndon words (aperiodic necklaces) with 3n beads of 3 colors, n beads of each color.at n=5A074655
• Integers k for which {prime(1), prime(2), ..., prime(k)} (mod 4) is biased towards 1.at n=32A096628
• Numbers k such that k and k^2 use only the digits 0, 2, 4 and 5.at n=39A136897
• Numbers k such that k and k^2 use only the digits 0, 2, 4, 5 and 7.at n=56A136899
• Number of n X 3 0..3 arrays x(i,j) with each element horizontally or vertically next to at least one element with value (x(i,j)+1) mod 4 and at least one element with value (x(i,j)-1) mod 4, and upper left element zero.at n=7A230801
• T(n,k)=Number of nXk 0..3 arrays x(i,j) with each element horizontally or vertically next to at least one element with value (x(i,j)+1) mod 4 and at least one element with value (x(i,j)-1) mod 4, and upper left element zero.at n=47A230805
• T(n,k)=Number of nXk 0..3 arrays x(i,j) with each element horizontally or vertically next to at least one element with value (x(i,j)+1) mod 4 and at least one element with value (x(i,j)-1) mod 4, and upper left element zero.at n=52A230805