%I #5 Mar 31 2012 10:26:02
%S 6,15,20,28,35,42,45,63,66,72,77,88,99,91,104,117,110,130,120,143,165,
%T 156,153,170,187,204,195,190,221,209,228,210,238,247,266,231,255,273,
%U 285,304,276,299,322,336,345,323,357,368,325,350,342,391,400,414,425
%N Semiperimeter of primitive Pythagorean triangles sorted on hypotenuse A020882(n).
%C For ordered semiperimeter of primitive Pythagorean triangles see A020886.
%F a(n)=A093507/2.
%K nonn
%O 1,1
%A _Lekraj Beedassy_, May 14 2004