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Dascal triangle (Posted on 2016-02-02) Difficulty: 3 of 5
Arrange integers 1- 15 in a triangle such that the upper row consists of 5 integers, all other rows represent each the absolute values of the differences between the adjacent members of the row above so that the 5th row contains one number only.

A bad example:

4   7  15  10   2
  3  12   5   8
    9   7   * oops!  Can't use 3 again.
Just wanted to explain the build-up..
Better luck to the solvers!

No Solution Yet Submitted by Ady TZIDON    
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Comments: ( Back to comment list | You must be logged in to post comments.)
re(5): computer solution | Comment 6 of 8 |
(In reply to re(4): computer solution by Jer)

The reference you gave contains a further reference to a proof of impossibility for n>5 (triangle of 15):



  Posted by Charlie on 2016-02-04 10:46:56
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