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A195882 Positive integers a for which there is a primitive (1/2)-Pythagorean triple (a,b,c) satisfying a<=b.

%I A195882 #6 Mar 30 2012 18:57:48
%S A195882 2,3,5,7,7,10,11,11,13,13,14,15,16,17,17,18,18,19,19,21,22,23,25,26,
%T A195882 26,27,29,29,31,32,32,32,33,34,37,38,38,39,41,42,43,46,46,48,48,48,49,
%U A195882 53,57,58,61,62,63,64,64,66,69,73,77,78,80,80,80,86,91,93,94,95
%N A195882 Positive integers a for which there is a primitive (1/2)-Pythagorean triple (a,b,c) satisfying a<=b.
%C A195882 See A195770 for definitions of k-Pythagorean triple, primitive k-Pythagorean triple, and lists of related sequences.
%e A195882 Primitive (1/2)-Pythagorean triples
%e A195882 (c^2=a^2+b^2+k*a*b, where k=1/2):
%e A195882 2,3,4
%e A195882 3,16,17
%e A195882 5,14,16
%e A195882 7,16,19
%e A195882 7,90,92
%e A195882 10,91,94
%e A195882 11,42,46
%e A195882 11,224,227
%e A195882 13,16,23
%t A195882 (See A195879.)
%Y A195882 Cf. A195770, A195883, A195884, A195879.
%K A195882 nonn
%O A195882 1,1
%A A195882 _Clark Kimberling_, Sep 25 2011