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%I #5 Mar 30 2012 18:57:48
%S 1,7,8,9,9,9,11,13,13,15,15,16,16,17,17,19,21,23,23,24,24,25,27,27,27,
%T 29,29,31,32,33,37,39,39,40,40,41,43,45,45,47,48,51,53,55,56,56,57,57,
%U 59,63,63,63,64,65,69,71,72,72,72,72,81,83,88,89,91,93,95,96
%N Positive integers a for which there is a primitive (-1/3)-Pythagorean triple (a,b,c) satisfying a<=b.
%C See A195770 for definitions of k-Pythagorean triple, primitive k-Pythagorean triple, and lists of related sequences.
%e Primitive (-1/3)-Pythagorean triples
%e (c^2=a^2+b^2+k*a*b, where k=-1/3):
%e 1,3,3
%e 7,144,143
%e 8,9,11
%e 9,11,13
%e 9,16,17
%e 9,80,79
%e 11,72,71
%e 13,72,71
%e 13,495,493
%e 15,32,33
%t (See A195932.)
%Y Cf. A195932.
%K nonn
%O 1,2
%A _Clark Kimberling_, Sep 26 2011
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