A179146 Numbers n such that Mordell's equation y^2 = x^3 + n has exactly 2 integral solutions.

2, 3, 4, 5, 10, 16, 18, 19, 22, 25, 26, 30, 31, 33, 35, 38, 40, 41, 43, 48, 49, 50, 52, 54, 55, 56, 71, 72, 76, 79, 81, 82, 91, 92, 94, 97, 98, 99, 105, 106, 107, 112, 117, 119, 120, 122, 126, 127, 131, 132, 134, 136, 138, 142, 143, 144, 150, 151, 152, 154, 156, 163, 170

Offset

1,1

Links

Table of n, a(n) for n=1..63.

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: A282032 A205962 A134220 * A099161 A369592 A033077

Adjacent sequences: A179143 A179144 A179145 * A179147 A179148 A179149

Keyword

nonn

Author

Artur Jasinski, Jun 30 2010

Extensions

Edited by Ray Chandler, Jul 11 2010

Status

approved