Numbers represented as a sum of two coprime squares
4194
Which integers can be expressed as a sum of squares of two coprime integers?
28749
Proving that any common multiple of two numbers is a multiple of their least common multiple
83145
Sum of rational numbers
142978
combinatorics: sum of product of integer compositions
72402
Summation of natural number set with power of $m$
89512
Finding two numbers given their sum and their product
147562
Sum of squares diophantine equation
138072
Linear time algorithm for 2-SUM
20443
Calculate sum of squares of first $n$ odd numbers
135458
When is a sum of consecutive squares equal to a square?
66216
Squares, Cubes and Prime numbers
48502
number of ordered pairs of integers $(x,y)$ satisfying the equation
38018
Arrangement of integers in a row such that the sum of every two adjacent numbers is a perfect square.
139350
Given two coprime integers, find multiples of them that differ by 1
69194
Partitioning sum of squares
20486
Numbers representable as $x^2 + 2y^2$
136582
Decomposing total sum of squares