A179143 The smallest positive parameter k for which the Tate-Shafarevich group ะจ of the elliptic curve y^2=x^3-k has order n^2.
1, 105, 227, 1221, 3930, 2957
Offset: 1
Examples
Order 1 for k=1, order 4 for k=105, order 9 for k=227.
Links
- J. Gebel, Integer points on Mordell curves [Cached copy, after the original web site tnt.math.se.tmu.ac.jp was shut down in 2017]
Extensions
in title k with n reversed, last term removed because was not successive one Artur Jasinski, Oct 10 2010