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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: ( You must be logged in to post comments.)
  Subject Author Date
re(4): SpoilerBob Smith2005-11-02 09:15:31
re(3): Spoilerpcbouhid2005-11-01 20:31:02
re(2): SpoilerTristan2005-11-01 19:59:43
Hints/TipsNext two linesBob Smith2005-11-01 10:45:53
re(2): Agree with pcbouhidgoFish2005-11-01 10:05:17
re: Spoilerpcbouhid2005-11-01 09:57:12
re: SpoilerBryan2005-11-01 09:09:13
SolutionSpoilerTristan2005-10-31 21:03:56
Hints/TipsAn ideaTristan2005-10-31 20:33:18
SolutionFuller solutiongoFish2005-10-31 18:46:14
SolutiongoFish2005-10-31 18:10:58
Some Thoughtscounting the number of numberstanx2005-10-31 15:26:36
my guesspcbouhid2005-10-31 14:58:31
re: This works, but is it what Bob had in mind (don't know if spoiler)Bob Smith2005-10-31 14:26:25
Some ThoughtsThis works, but is it what Bob had in mind (don't know if spoiler)Charlie2005-10-31 13:49:37
Some Thoughtsa thoughtThoughtProvoker2005-10-31 12:37:09
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