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%I #7 Feb 01 2021 19:24:17
%S 24,32,36,48,60,64,72,80,84,88,96,100,108,112,120,128,132,136,140,144,
%T 152,156,160,168,176,180,192,196,200,208,216,220,224,228,240,252,256,
%U 260,264,272,280,288,300,304,308,312,320,324,328,336,340,344,348,352,360,364
%N Perimeters of Heronian triangles with even side lengths.
%H Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/HeronianTriangle.html">Heronian Triangle</a>
%H Wikipedia, <a href="https://en.wikipedia.org/wiki/Heronian_triangle">Heronian triangle</a>
%H Wikipedia, <a href="https://en.wikipedia.org/wiki/Integer_triangle">Integer Triangle</a>
%e a(1) = 24; there is one Heronian triangle with even side lengths whose perimeter is 24, [6,8,10].
%e a(2) = 32; there is one Heronian triangle with even side lengths whose perimeter is 32, [10,10,12].
%Y Cf. A051518.
%K nonn
%O 1,1
%A _Wesley Ivan Hurt_, May 16 2020