%I
%S 3,5,7,7,9,11,11,13,13,15,16,17,17,19,19,21,23,23,24,25,25,27,29,29,
%T 31,31,32,32,33,35,37,40,40,40,41,43,47,48,49,53,55,55,56
%N Positive integers a for which there is a primitive 1Pythagorean triple (a,b,c) satisfying a<=b.
%C See A195770 for definitions of kPythagorean triple, primitive kPythagorean triple, and lists of related sequences.
%e Primitive 1Pythagorean triples
%e (c^2=a^2+b^2+k*a*b, where k=1):
%e 3,5,7
%e 5,16,19
%e 7,8,13
%e 7,33,37
%e 9,56,61
%e 11,24,31
%e 11,85,91
%e 13,35,43
%e 13,120,127
%t (See A195770.)
%Y Cf. A195770, A195778.
%K nonn
%O 1,1
%A _Clark Kimberling_, Sep 25 2011
