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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 (spoiler) | Comment 5 of 10 |
(In reply to re: SLOANE A103705 (spoiler) by Charlie)


Isn't it A030098? ... or A103751?

Yes, indeed   - I quoted from memory ...

Just now  I CORRECTED MY  PREVIOUS POST-  but could not edit the title(subject) 

  Posted by Ady TZIDON on 2008-10-26 04:30:48
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