A134221 Values n for which integer solutions of Mordell curve y^2=x^3+n have 2 different values of x (or equivalently of nonnegative y).

12, 15, 28, 44, 63, 68, 101, 121, 128, 148, 168, 197, 198, 204, 208, 220, 232, 248, 269, 294, 337, 343, 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

Offset

1,1

Comments

Union of A179147 and A179148.

Links

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

Formula

Numbers n such that A134108(n) = Floor((A081119(n)+1)/2) = 2.

Crossrefs

Cf. A134108, A134220, A134222, A134223.

Sequence in context: A124521 A345666 A369005 * A179148 A194234 A296796

Adjacent sequences: A134218 A134219 A134220 * A134222 A134223 A134224

Keyword

nonn

Author

Artur Jasinski, Oct 14 2007

Extensions

Edited and extended by Ray Chandler, Jul 12 2010

Status

approved