75674domain: NAppears in sequencesNumber of lines through at least 2 points of an n X n grid of points.at n=24A018808Numbers k such that k and k^2 use only the digits 2, 4, 5, 6 and 7.at n=54A137094Greatest integer k such that k/2^n < sqrt(1/3).at n=17A293327The integer k that minimizes |k/2^n - sqrt(1/3)|.at n=17A293329