a(n) = least m such that 1/2^(n+1) < f(m) < 1/2^n, where f(m) = fractional part of m*(golden ratio).

A283747

a(n) = least m such that 1/2^(n+1) < f(m) < 1/2^n, where f(m) = fractional part of m*(golden ratio).