A046086 Smallest member 'a' of the primitive Pythagorean triples (a,b,c) ordered by increasing c, then b.

3, 5, 8, 7, 20, 12, 9, 28, 11, 33, 16, 48, 36, 13, 39, 65, 20, 60, 15, 44, 88, 24, 17, 51, 85, 119, 52, 19, 104, 57, 95, 28, 133, 84, 140, 21, 60, 105, 120, 32, 96, 23, 69, 115, 160, 161, 68, 207, 136, 25, 75, 204, 36, 175, 180, 225, 76, 27, 252, 152, 135, 189