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A195796 Positive integers a for which there is a primitive (-1)-Pythagorean triple (a,b,c) satisfying a<=b.

%I A195796 #7 Mar 30 2012 18:57:48
%S A195796 1,3,5,5,7,7,8,9,11,11,13,13,15,16,16,17,17,19,19,21,23,23,24,24,25,
%T A195796 25,27,29,29,31,31,32,32,33,35,35,37,39,40,40,40,41,43,45,47,48,49,51,
%U A195796 53,55,55,56,56,56,56,57,63,64,64,65,69,72,75,77,80,80,85,85,87
%N A195796 Positive integers a for which there is a primitive (-1)-Pythagorean triple (a,b,c) satisfying a<=b.
%C A195796 See A195770 for definitions of k-Pythagorean triple, primitive k-Pythagorean triple, and lists of related sequences.
%e A195796 Primitive (-1)-Pythagorean triples
%e A195796 (c^2=a^2+b^2+k*a*b, where k=-1):
%e A195796 1,1,1
%e A195796 3,8,7
%e A195796 5,8,7
%e A195796 5,21,19
%e A195796 7,15,13
%e A195796 8,40,37
%e A195796 9,15,13
%e A195796 11,65,61
%e A195796 11,35,31
%e A195796 13,96,91
%t A195796 (See A195778.)
%Y A195796 Cf. A195770, A195778, A195862, A195863.
%K A195796 nonn
%O A195796 1,2
%A A195796 _Clark Kimberling_, Sep 25 2011