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A196186 Positive integers a for which there is a primitive 9-Pythagorean triple (a,b,c) satisfying a<=b.

%I A196186 #5 Mar 30 2012 18:57:49
%S A196186 1,3,3,3,3,5,5,5,7,8,8,8,9,9,11,13,13,15,15,15,15,15,16,16,16,17,17,
%T A196186 19,19,21,21,23,23,24,24,24,24,25,27,29,31,32,32,33,35,37,39,39,39,39,
%U A196186 40,40,40,41,43,45,45,45,47,48,48,51,51,51,53,55,56
%N A196186 Positive integers a for which there is a primitive 9-Pythagorean triple (a,b,c) satisfying a<=b.
%C A196186 See A195770 for definitions of k-Pythagorean triple, primitive k-Pythagorean triple, and lists of related sequences.
%e A196186 Primitive 9-Pythagorean triples a,b,c;
%e A196186 c^2=a^2+b^2+9*a*b:
%e A196186 1,15,19
%e A196186 3,5,13
%e A196186 3,8,17
%e A196186 3,13,23
%e A196186 3,160,173
%e A196186 5,24,41
%e A196186 5,48,67
%e A196186 5,459,481
%e A196186 7,57,83
%e A196186 8,15,37
%t A196186 (See A196183.)
%Y A196186 Cf. A195770, A196183, A196187, A196188.
%K A196186 nonn
%O A196186 1,2
%A A196186 _Clark Kimberling_, Sep 29 2011