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Even Digit Perfect Square(s) (Posted on 2008-10-25) Difficulty: 3 of 5
Determine all possible 7-digit decimal (base 10) perfect square(s), each of whose digits is nonzero and even.

Note: While a solution is trivial with the aid of a computer program, show how to derive it without one.

See The Solution Submitted by K Sengupta    
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re(2): SLOANE A103705 | Comment 6 of 10 |
(In reply to re: SLOANE A103705 by Gamer)

Thanks for the support, Gamer.

Your sentiment exactly matches mine regarding the very first comment, but I did not want to appear rude, since this was my  problem. 

Edited on October 26, 2008, 6:05 am
  Posted by K Sengupta on 2008-10-26 05:53:50

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