A106503 Middle side of primitive integer-sided triangle having an angle twice another, sorted on perimeter (A106499).

5, 9, 15, 16, 25, 28, 25, 36, 39, 49, 45, 49, 64, 51, 66, 81, 72, 64, 81, 84, 100, 91, 104, 121, 88, 100, 121, 115, 144, 120, 121, 169, 121, 144, 169, 135, 196, 153, 170, 169, 168, 145, 225, 169, 198, 196, 225, 190, 169, 256, 209, 217, 192, 220, 196, 289, 225, 231