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%I #12 Feb 01 2021 19:13:15
%S 24,48,60,72,80,96,112,120,140,144,160,168,180,192,216,224,240,252,
%T 264,280,288,300,308,312,320,336,352,360,364,384,396,400,408,416,420,
%U 432,440,448,456,468,480,504,520,528,540,552,560,572,576,600,612,616,624,640,648,660
%N Perimeters of Pythagorean triangles with even side lengths.
%H Wikipedia, <a href="https://en.wikipedia.org/wiki/Integer_triangle">Integer Triangle</a>
%H <a href="/index/Ps#PyTrip">Index entries related to Pythagorean Triples.</a>
%e a(1) = 24; There is one integer-sided right triangle with perimeter 24, [6,8,10] with all side lengths even.
%Y Cf. A005044, A010814, A334607.
%K nonn
%O 1,1
%A _Wesley Ivan Hurt_, May 10 2020
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