A334015 - OEIS

%I #11 Sep 05 2021 18:27:23

%S 18,24,30,40,42,48,50,56,60,66,70,72,78,80,84,88,90,96,98,102,104,110,

%T 112,114,120,126,130,132,136,138,140,144,150,152,154,156,160,168,170,

%U 174,176,180,182,184,186,190,192,198,200,204,208,210,216,220,222,224,228

%N Perimeters of integer-sided triangles with at least one prime median.

%H Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/TriangleMedian.html">Triangle Median</a>.

%H Wikipedia, <a href="https://en.wikipedia.org/wiki/Integer_triangle">Integer Triangle</a>

%H Wikipedia, <a href="http://en.wikipedia.org/wiki/Median_(geometry)">Median (geometry)</a>.

%e 18 is in the sequence since the triangle [5,5,8] has medians (3/2)*sqrt(17), (3/2)*sqrt(17) and 3 (prime).

%Y Cf. A005044, A333869.

%K nonn

%O 1,1

%A _Wesley Ivan Hurt_, Apr 12 2020