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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 a triangular number? | Comment 5 of 11 |
(In reply to What's a triangular number? by Bryan)

<<Guess I need to get more active voting on the puzzle queue... >>

Perhaps. But maybe hitting the books a bit first would better equip you to deal with such arcane concepts as triangular numbers, and multisets.


  Posted by Richard on 2004-10-26 18:27:19
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