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Arranging numbers in a row (
Posted on 20081120
)
How many numbers, from 1 to 50 (both included) can you arrange in a row (one of each) so that each one, except the first and the last, is the sum or difference of its two neighbours?
Example: 3, 10, 7, 17, 24, 41.
10 = 3+7, 7 = 1710, 17 = 247, 24 = 4117.
See The Solution
Submitted by
pcbouhid
Rating:
2.3333
(3 votes)
Comments: (
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re: With numbers all in a row (noncomputer solution)
 Comment 11 of 12 
(In reply to
With numbers all in a row (noncomputer solution)
by Gamer)
Nice analysis.
Posted by
pcbouhid
on 20081122 07:22:48
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