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Sequence of Squares 2 (Posted on 2004-12-01) Difficulty: 3 of 5
Show that there exist an infinite number of infinite sequences of distinct positive integers a, b, c, d, ... for which a+1, ab+1, abc+1, abcd+1, ... are all squares.

See The Solution Submitted by Brian Smith    
Rating: 2.6667 (6 votes)

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comment Comment 3 of 3 |
the solution posted is really beautiful..and so simple.
  Posted by Pemmadu Raghu Ramaiah on 2005-01-24 19:26:36
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