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Circle of numbers (Posted on 2005-05-27) Difficulty: 2 of 5
Over 2000 numbers are around a circle. Each number is the sum of its left and right neighbors.

Given that one of the numbers is a one, how many numbers (as a minimum) must there be?

See The Solution Submitted by McWorter    
Rating: 3.7500 (4 votes)

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quick answer | Comment 1 of 31
Seems that to close the circle the number of terms has to be multiple of 6. So 2004.
  Posted by armando on 2005-05-27 14:01:03
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