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%I #10 Feb 01 2021 18:19:47
%S 16,18,32,36,40,42,44,48,50,54,64,70,72,78,80,84,88,90,96,98,100,104,
%T 108,110,112,114,120,126,128,130,132,136,140,144,150,154,160,162,168,
%U 170,172,176,180,182,186,190,192,196,198,200,204,208,210,216,220,222,224,228,230
%N Perimeters of Heronian triangles whose middle side length is squarefree.
%H Giovanni Resta, <a href="/A335223/b335223.txt">Table of n, a(n) for n = 1..10000</a>
%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>
%Y Cf. A008683, A330869, A335222, A335224.
%K nonn
%O 1,1
%A _Wesley Ivan Hurt_, May 27 2020