perplexus.info :: Numbers : An arrangement of 15

An arrangement of 15 (Posted on 2003-01-15)

Arrange the numbers from 1 to 15 in such an order that any two consecutive numbers in the sequence add up to a perfect square.

See The Solution Submitted by levik

Rating: 4.2941 (17 votes)

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One solution

| Comment 8 of 13 |

Below is a sequence, and below that is the sums between each number:

08 01 15 10 06 03 13 12 04 05 11 14 02 07 09
_09 16 25 16 09 16 25 16 09 16 25 16 09 16

Notice how every second sum is 16... That is how I started...

Posted by ratsnstuff on 2003-10-14 06:54:55

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