

A002154


Numbers n for which rank of the elliptic curve y^2=x^3n is 2.
(Formerly M4782 N2040)


4



11, 26, 39, 47, 53, 61, 67, 76, 83, 89, 104, 106, 109, 116, 118, 121, 139, 147, 152, 155, 170, 186, 191, 200, 207, 211, 212, 214, 219, 222, 233, 236, 244, 249, 262, 277, 286, 289
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OFFSET

1,1


REFERENCES

B. J. Birch and H. P. F. SwinnertonDyer, Notes on elliptic curves, I, J. Reine Angew. Math., 212 (1963), 725.
N. J. A. Sloane, A Handbook of Integer Sequences, Academic Press, 1973 (includes this sequence).
N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).


LINKS

Table of n, a(n) for n=1..38.


CROSSREFS

Sequence in context: A174223 A247466 A190684 * A035934 A035932 A035933
Adjacent sequences: A002151 A002152 A002153 * A002155 A002156 A002157


KEYWORD

nonn


AUTHOR

N. J. A. Sloane.


EXTENSIONS

Better definition from Artur Jasinski, Jun 30 2010


STATUS

approved



