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Special palindromes (Posted on 2012-05-11) Difficulty: 4 of 5
The 5th prime multiplied by 5 is a palindrome (5*11=55).
Find additional numbers n such that when multiplied by the nth prime create a palindrome.
Exclude the trivial cases of n=1 and n=2.

See The Solution Submitted by Ady TZIDON    
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Hints/Tips Partial hint Comment 2 of 2 |

I think the solution could be found to this puzzle manually by finding a general formula for the nth palindrome.But I am not sure about this.

  Posted by Danish Ahmed Khan on 2012-10-27 01:49:26
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