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A179148 Numbers n such that Mordell's equation y^2 = x^3 + n has exactly 4 integral solutions. 1
12, 15, 28, 44, 63, 68, 101, 121, 128, 148, 168, 197, 198, 204, 208, 220, 232, 248, 269, 294, 337, 346, 350, 369, 404, 409, 443, 481, 485, 492, 540, 556, 561, 575, 618, 640, 656, 659, 701, 702, 716, 740, 757, 768, 775, 785, 804, 829, 850, 857, 868, 885, 901 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..53.

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]

CROSSREFS

Cf. A054504, A081119, A179145-A179162.

Sequence in context: A063604 A124521 A134221 * A194234 A296796 A161917

Adjacent sequences:  A179145 A179146 A179147 * A179149 A179150 A179151

KEYWORD

nonn

AUTHOR

Artur Jasinski, Jun 30 2010

EXTENSIONS

URL typos corrected - R. J. Mathar, Jul 05 2010

Edited by Ray Chandler, Jul 11 2010

STATUS

approved

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Last modified April 19 21:57 EDT 2021. Contains 343117 sequences. (Running on oeis4.)