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A195935 Positive integers a for which there is a primitive (-1/3)-Pythagorean triple (a,b,c) satisfying a<=b.

%I A195935 #5 Mar 30 2012 18:57:48
%S A195935 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 A195935 29,29,31,32,33,37,39,39,40,40,41,43,45,45,47,48,51,53,55,56,56,57,57,
%U A195935 59,63,63,63,64,65,69,71,72,72,72,72,81,83,88,89,91,93,95,96
%N A195935 Positive integers a for which there is a primitive (-1/3)-Pythagorean triple (a,b,c) satisfying a<=b.
%C A195935 See A195770 for definitions of k-Pythagorean triple, primitive k-Pythagorean triple, and lists of related sequences.
%e A195935 Primitive (-1/3)-Pythagorean triples
%e A195935 (c^2=a^2+b^2+k*a*b, where k=-1/3):
%e A195935 1,3,3
%e A195935 7,144,143
%e A195935 8,9,11
%e A195935 9,11,13
%e A195935 9,16,17
%e A195935 9,80,79
%e A195935 11,72,71
%e A195935 13,72,71
%e A195935 13,495,493
%e A195935 15,32,33
%t A195935 (See A195932.)
%Y A195935 Cf. A195932.
%K A195935 nonn
%O A195935 1,2
%A A195935 _Clark Kimberling_, Sep 26 2011