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Triangular Coordinates (Posted on 2004-10-26) Difficulty: 3 of 5
Prove that there are an infinite number of distinct ordered pairs (m, n) of integers such that, for every positive integer t, the number mt + n is a triangular number if and only if t is a triangular number as well

No Solution Yet Submitted by Victor Zapana    
Rating: 2.6667 (3 votes)

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re: What's this? Comment 11 of 11 |
(In reply to What's this? by Tristan)

Petitioning the director does work! The problem statement has been corrected. Maybe somebody will notice.
  Posted by Richard on 2004-11-01 16:59:10

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