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A179143 The smallest positive parameter k for which the Tate-Shafarevich group Ш of the elliptic curve y^2=x^3-k has order n^2. 2
1, 105, 227, 1221, 3930, 2957 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
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]
EXAMPLE
Order 1 for k=1, order 4 for k=105, order 9 for k=227.
CROSSREFS
Sequence in context: A212665 A242063 A228307 * A176878 A088595 A308643
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

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Last modified May 26 16:43 EDT 2024. Contains 372840 sequences. (Running on oeis4.)