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A309028
Smallest k>0 such that the elliptic curve y^2 = x^3 + k*x has rank n, if k exists.
4
1, 3, 14, 323, 1918, 195843
OFFSET
0,2
COMMENTS
See A309029 for the smallest negative k.
LINKS
B. J. Birch and H. P. F. Swinnerton-Dyer, Notes on elliptic curves, I, J. Reine Angew. Math., 212 (1963), 7-25.
KEYWORD
nonn,more,hard
AUTHOR
Seiichi Manyama, Jul 08 2019
EXTENSIONS
a(5) from Vaclav Kotesovec, Jul 14 2019
STATUS
approved