%N Numbers n such that Mordell's equation y^2 = x^3 + n has exactly 4 integral solutions.
%H J. Gebel, <a href="/A001014/a001014.txt">Integer points on Mordell curves</a> [Cached copy, after the original web site tnt.math.se.tmu.ac.jp was shut down in 2017]
%Y Cf. A054504, A081119, A179145-A179162.
%A _Artur Jasinski_, Jun 30 2010
%E URL typos corrected - _R. J. Mathar_, Jul 05 2010
%E Edited by _Ray Chandler_, Jul 11 2010