%I
%S 7,8,9,11,13,15,17,19,20,20,23,25,27,28,29,31,32,33,36,39,41,44,44,45,
%T 47,48,51,52,53,57,59,63,63,64,68,71,72,72,76,81,84,88,92,93,96,99,99,
%U 104,108,108,111,117,117,124,129,132,133,144,144,148,152,153
%N Positive integers a for which there is a primitive (4/3)Pythagorean 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 (4/3)Pythagorean triples a,b,c;
%e c^2=a^2+b^2+k*a*b, where k=4/3:
%e 7,36,41
%e 8,21,27
%e 9,16,23
%e 11,12,21
%e 13,132,141
%e 15,52,63
%e 17,36,49
%e 19,288,301
%e 20,27,43
%e 20,153,167
%t (See A196040.)
%Y Cf. A195770, A196040, A196044, A196045.
%K nonn
%O 1,1
%A _Clark Kimberling_, Sep 27 2011
