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Search: id:A020883
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| A020883 |
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Ordered long legs of primitive Pythagorean triangles. |
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12
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| 4, 12, 15, 21, 24, 35, 40, 45, 55, 56, 60, 63, 72, 77, 80, 84, 91, 99, 105, 112, 117, 120, 132, 140, 143, 144, 153, 156, 165, 168, 171, 176, 180, 187, 195, 208, 209, 220, 221, 224, 231, 240, 247, 252, 253, 255, 260, 264, 272, 273, 275, 285, 288, 299, 304, 308, 312, 323
(list; graph; listen)
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OFFSET
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0,1
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COMMENT
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Consider primitive Pythagorean triangles (A^2 + B^2 = C^2, (A, B) = 1, A <= B); sequence gives values of B, sorted.
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LINKS
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Ron Knott, Pythagorean Triples and Online Calculators
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MATHEMATICA
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lst={}; amx=99; Do[For[b=a+1, b<(a^2/2), c=(a^2+b^2)^(1/2); If[c==IntegerPart[c]&&GCD[a, b, c]==1, AppendTo[lst, b]]; b=b+2], {a, 3, amx}]; lst [From Vladimir Orlovsky (4vladimir(AT)gmail.com), Aug 07 2008]
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CROSSREFS
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Cf. A024354.
Cf. A020882, A020884-A020886.
Adjacent sequences: A020880 A020881 A020882 this_sequence A020884 A020885 A020886
Sequence in context: A103020 A024353 A024354 this_sequence A002365 A046087 A081872
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KEYWORD
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nonn
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AUTHOR
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Clark Kimberling (ck6(AT)evansville.edu)
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EXTENSIONS
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Extended and corrected by David W. Wilson (davidwwilson(AT)comcast.net)
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