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%I #5 Mar 30 2012 18:57:49
%S 3,5,7,8,9,11,11,13,13,15,16,17,17,19,19,21,21,21,23,23,24,25,27,27,
%T 29,31,32,33,33,37,39,39,40,40,41,43,47,48,48,49,51,51,53,56,56,56,57,
%U 57,59,61,63,64,69,72,72,75,87,88,88,93,96,96,104,104,105,111,112
%N Positive integers a for which there is a primitive 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 3-Pythagorean triples a,b,c;
%e c^2=a^2+b^2+k*a*b, where k=3:
%e 3,7,11
%e 5,24,31
%e 7,51,61
%e 8,9,19
%e 9,88,101
%e 11,15,29
%e 11,135,151
%e 13,24,41
%e 13, 192,211
%e 15,259,281
%t (See A196112.)
%Y Cf. A195770, A196112, A196116, A196117.
%K nonn
%O 1,1
%A _Clark Kimberling_, Sep 28 2011
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