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- Wed Aug 27, 2014 6:29 pm UTC
- Forum: Mathematics
- Topic: The Shortest String Containing all Permutations of n Symbols
- Replies: 29
- Views: 28400
I couldn't help noting that each of the optimal strings posted here is palindromic. That is to say, each can be read either from left to right or from right to left with the same result: 121 123121321 123412314231243121342132413214321 Many years of recreational mathematics lead me to suspect that th...