%N Numbers n for which the order of Tate-Shafarevich group Ш of the elliptic curve y^2=x^3+n is 4.
%C For n<123 the order of the Tate-Shafarevich group Ш of the elliptic curve y^2=x^3+n is 1.
%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. A002151, A002153, A002155, A002833, A031507.
%A _Artur Jasinski_, Jun 30 2010
%E Edited by _N. J. A. Sloane_, Jul 05 2010