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A060564
Number of elliptic curves (up to isogeny) of conductor n.
4
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 1, 1, 0, 1, 0, 1, 1, 1, 0, 0, 1, 0, 2, 1, 0, 0, 1, 0, 1, 1, 1, 1, 1, 2, 2, 1, 1, 0, 1, 1, 1, 1, 1, 0, 1, 1, 2, 1, 1, 1, 2, 1, 2, 3, 2, 0, 0, 1, 1, 1, 1, 1, 3, 1, 0, 1, 1, 0, 1, 1, 0, 3, 1, 3, 1, 1, 2, 0, 1, 1, 2, 1, 0, 0, 1, 2, 3, 2, 2, 0, 1, 0, 2, 0, 1, 4
OFFSET
1,26
LINKS
J. E. Cremona, Elliptic Curve Data
F. Richman, Elliptic curves [broken link]
A. L. Robledo, PlanetMath.org, The Arithmetic of Elliptic Curves
Eric Weisstein's World of Mathematics, Elliptic Curve
CROSSREFS
Cf. A005788.
Sequence in context: A345236 A321223 A082926 * A031267 A247763 A065360
KEYWORD
nonn,nice
AUTHOR
N. J. A. Sloane, Apr 12 2001
STATUS
approved