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Four special natural numbers (Posted on 2008-12-11) Difficulty: 2 of 5
Find all sets of four natural numbers such that the square of each of them, when added to the sum of the other three, again yields a perfect square.

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  Subject Author Date
Some Thoughtsre: Is there a pattern to this?Charlie2008-12-12 11:18:18
Some ThoughtsIs there a pattern to this?brianjn2008-12-12 04:43:00
Some Thoughtscomputer exploration--is there a pattern to this?Charlie2008-12-12 00:17:29
re: a startDej Mar2008-12-11 22:48:58
re(2): No Subjectbrianjn2008-12-11 22:40:03
a startxdog2008-12-11 22:16:25
re: No SubjectJayDeeKay2008-12-11 20:59:08
Some ThoughtsNo Subjectbrianjn2008-12-11 20:14:02
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