60971domain: NAppears in sequencesNumber of prime powers (p^2, p^3, ...) <= 2^n.at n=38A036386a(n) = 169*n^2 - 2*n.at n=18A158218a(n) = (4*n^3-3*n^2+5*n-3)/3.at n=35A177342Positions of records in A365367.at n=5A365370