

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

Table of n, a(n) for n=1..6.
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]


EXAMPLE

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


CROSSREFS

Cf. A179130, A179138A179142.
Sequence in context: A212665 A242063 A228307 * A176878 A088595 A308643
Adjacent sequences: A179140 A179141 A179142 * A179144 A179145 A179146


KEYWORD

nonn,more


AUTHOR

Artur Jasinski, Jun 30 2010


EXTENSIONS

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


STATUS

approved



