PUZZLET 029

Squared Denary and Binary Palindromes

Find denary integers which, when squared and converted to binary, produce numerical palindromes. Limit your search to a maximum value of 20,000 before squaring.

Example:

3^{2}= 9 (denary) = 1001 (binary), a numerical palindrome.

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Last Updated: January 11th, 2010.