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%I #3 Mar 31 2012 10:26:06
%S 3,5,5,7,7,7,9,9,9,11,11,11,11,11,13,13,13,13,13,13,15,15,15,15,17,17,
%T 17,17,17,17,17,17,19,19,19,19,19,19,19,19,19,21,21,21,21,21,21,23,23,
%U 23,23,23,23,23,23,23,23,23,25,25,25,25,25,25,25,25,25,25,27,27,27,27
%N Sum x+y of generator pairs (x, y) {x and y coprime and not both odd} of primitive Pythagorean triangles, sorted.
%C Also, the square root of the sum of even leg and hypotenuse of primitive Pythagorean triangles, sorted.
%F 2n-1 appears A072451(n) times.
%Y Cf. A094192, A094193.
%K nonn
%O 1,1
%A _Lekraj Beedassy_, Feb 07 2007
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