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A138604
Short legs of more than two primitive Pythagorean triangles.
2
60, 84, 105, 120, 132, 140, 156, 165, 168, 180, 195, 204, 220, 228, 231, 240, 252, 255, 260, 264, 273, 276, 280, 285, 300, 308, 312, 315, 336, 340, 345, 348, 357, 360, 364, 372, 380, 385, 396, 399, 408, 420, 429, 435, 440, 444, 455, 456, 460, 465, 468, 476
OFFSET
1,1
LINKS
EXAMPLE
60, 91,109; 60,221,229; 60, 899, 901;
84,187,205; 84, 437, 445; 84,1763,1765;
105,208,233; 105, 608, 617; 105,5512,5513;
120,209,241; 120, 391, 409; 120,3599,3601;
132,475,493; 132,1085,1093; 132,4355,4357;
140,171,221; 140,1221,1229; 140,4899,4901;
156,667,685; 156,1517,1525; 156,6083,6085;
MATHEMATICA
lst = {}; aa = aaa = 1; For[a=1, a<=500, For[b=a+1, ((b+1)^2-b^2)<=a^2, c=(a^2+b^2)^0.5; If[c==Round[c]&&GCD[a, b]==1, If[a == aaa, Print[a]; AppendTo[lst, a]]; aaa=aa; aa=a; ]; b++ ]; a++ ]; Union[lst]
CROSSREFS
Sequence in context: A086974 A099831 A306222 * A350140 A291125 A337688
KEYWORD
nonn
AUTHOR
EXTENSIONS
More terms Vladimir Joseph Stephan Orlovsky, Jan 24 2009
More terms from Ray Chandler, Jan 22 2020
STATUS
approved