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Sum of four squares (Posted on 2025-04-14) Difficulty: 3 of 5
There are infinitely many sets of positive integers A<B<C<D such that A^2+B^2, A^2+B^2+C^2, and A^2+B^2+C^2+D^2 are all squares. Find the value of A≤ 1500 which leads to the largest number of solutions.

No Solution Yet Submitted by K Sengupta    
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  Subject Author Date
Some ThoughtsThe code I usedLarry2025-04-16 12:58:45
Some ThoughtsA computer solutionLarry2025-04-16 12:55:55
Some Thoughtssome thoughtsbroll2025-04-16 03:52:23
Preliminary investigationsLarry2025-04-14 19:26:52
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