

A309029


Smallest k>0 such that the elliptic curve y^2 = x^3  k*x has rank n, if k exists.


3




OFFSET

0,2


COMMENTS

See A309028 for the smallest positive k.


LINKS

Table of n, a(n) for n=0..5.
B. J. Birch and H. P. F. SwinnertonDyer, Notes on elliptic curves, I, J. Reine Angew. Math., 212 (1963), 725.


CROSSREFS

Cf. A031508, A060952, A194687, A309028.
Cf. A002156, A002157, A309032, A309033, A309034, A309100.
Sequence in context: A060352 A215185 A002523 * A079889 A053786 A181546
Adjacent sequences: A309026 A309027 A309028 * A309030 A309031 A309032


KEYWORD

nonn,more,hard


AUTHOR

Seiichi Manyama, Jul 08 2019


EXTENSIONS

a(5) from Vaclav Kotesovec, Jul 09 2019


STATUS

approved



