For a positive integer n, what is the largest k such that the numbers 1,2, ... ,n can be put into k boxes so that the sum of the numbers in each box is the same?

(In reply to Possible solution by Jer)

Please edit your second line:

{1,n}, {2,n-1}... {k,n-k+1} ...      {n/2,1+n/2}}

Posted by Ady TZIDON on 2016-02-11 11:52:27