%I #3 Mar 30 2012 18:55:58
%S 1,3,4,7,7,9,12,13,13,16,19,19,21,21,25,27,28,28,31,31,36,37,37,39,39,
%T 43,43,48,49,49,49,52,52,57,57,61,61,63,63,64,67,67,73,73,75,76,76,79,
%U 79,81,84,84,91,91,91,91,93,93,97,97,100,103,103,108,109,109,111,111,112,112,117,117
%N Number in position n when the numbers i^2 - i*j + j^2 (1 <= i <= j) are arranged in nondecreasing order.
%K nonn
%O 1,2
%A _Clark Kimberling_