

A179143


The smallest positive parameter k for which the TateShafarevich group Ш of the elliptic curve y^2=x^3k has order n^2.


2




OFFSET

1,2


LINKS



EXAMPLE

Order 1 for k=1, order 4 for k=105, order 9 for k=227.


CROSSREFS



KEYWORD

nonn,more


AUTHOR



EXTENSIONS

in title k with n reversed, last term removed because was not successive one Artur Jasinski, Oct 10 2010


STATUS

approved



