no of integer triangles whose sum of shorter sides is 19
Source: 2019 Dürer Math Competition Finals Day2 E1 https://artofproblemsolving.com/community/c1621835_2019_
January 5, 2022
geometrycombinatoricscombinatorial geometry
Problem Statement
Find the number of non-isosceles triangles (up to congruence) with integral side lengths, in which the sum of the two shorter sides is .