A110134 Numbers which are the sides common to two or more primitive Pythagorean triangles.

5, 12, 13, 15, 17, 20, 21, 24, 25, 28, 29, 33, 35, 36, 37, 39, 40, 41, 44, 45, 48, 51, 52, 53, 55, 56, 57, 60, 61, 63, 65, 68, 69, 72, 73, 75, 76, 77, 80, 84, 85, 87, 88, 89, 91, 92, 93, 95, 96, 97, 99, 100, 101, 104, 105, 108, 109, 111, 112, 113, 115, 116, 117, 119, 120