MathDB
Quadratic equation in naturals

Source: JBMO Shortlist 2006

November 10, 2008
quadraticsnumber theory proposednumber theory

Problem Statement

Determine all pairs (m,n) (m,n) of natural numbers for which m^2\equal{}nk\plus{}2 where k\equal{}\overline{n1}.
EDIT. [color=#FF0000]It has been discovered the correct statement is with k\equal{}\overline{1n}.