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%I #3 Mar 30 2012 17:29:16
%S 6,20,15,72,35,28,63,272,99,45,143,88,195,77,66,1056,323,117,399,104,
%T 91,165,575,304,675,221,783,120,899,204,1023,4160,187,357,170,153,
%U 1443,437,247,336,1763,228,1935,209,190,621,2303,1120,2499,725,391,273,2915
%N Least semiperimeter of primitive Pythagorean triangles with even leg 4n.
%Y Cf. A088557, A088558, A096891-A096900.
%K nonn
%O 1,1
%A _Ray Chandler_, Jul 14 2004