A179164 Numbers n such that Mordell's equation y^2 = x^3 - n has exactly 2 integral solutions.

2, 13, 15, 18, 19, 20, 23, 25, 35, 40, 44, 45, 49, 54, 56, 61, 67, 71, 72, 74, 79, 81, 83, 87, 89, 95, 106, 107, 112, 118, 121, 124, 126, 127, 128, 139, 143, 146, 148, 150, 151, 153, 155, 159, 167, 170, 172, 175, 184, 186, 188, 193, 199, 222, 223, 233, 235, 236, 239

Offset

1,1

Links

Table of n, a(n) for n=1..59.

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. A081120, A081121, A179163-A179175.

Sequence in context: A032932 A089019 A015905 * A356102 A022116 A041201

Adjacent sequences: A179161 A179162 A179163 * A179165 A179166 A179167

Keyword

nonn

Author

Artur Jasinski, Jun 30 2010

Extensions

Edited by Ray Chandler, Jul 11 2010

Status

approved