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Palindromic sequences (Posted on 2005-10-31) Difficulty: 3 of 5
1,1
1,2,1
1,3,2,3,1
1,4,3,2,3,4,1
1,5,4,3,5,2,5,3,4,5,1
1,6,5,4,3,5,2,5,3,4,5,6,1

What are the next several lines and how are they formed?

Do the sequences have any special feature?

Does the pattern continue indefinitely?

See The Solution Submitted by Bob Smith    
Rating: 3.7143 (7 votes)

Comments: ( Back to comment list | You must be logged in to post comments.)
re(4): Spoiler Comment 16 of 16 |
(In reply to re(3): Spoiler by pcbouhid)

No worries, mate.  I understand what you were trying to say.   At the same time, I am as impressed as ever that GoFish and Tristan took what my simplistic sequence, and discovered it was a "subset" of an "official" sequence.  I'm glad the options were open for creative and elegant solutions to the puzzle.


  Posted by Bob Smith on 2005-11-02 09:15:31
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