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A159781
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Values of hypotenuse of primitive pythagorean triples which can have four different shapes (that is four different sets of "legs")
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1
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1105, 1885, 2405, 2465, 2665, 3145, 3445, 3485, 3965, 4505, 4745, 5185, 5365, 5525, 5785, 5945, 6205, 6305, 6409, 6565, 7085, 7345, 7565, 7585, 7685, 8177, 8245, 8905, 9061, 9265, 9425, 9605, 9685, 9805, 10205, 10585, 10865
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,1
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COMMENTS
| Sequence A024409 lists values of hypotenuse which are common to have more than one shape, and are all actually consisting of two shapes, except 1105 which is the first occurrence of 4 shapes. There are no occurrences of 3 shapes, or more than 4 in the range studied (hypotenuse values 5 to 10,000)
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CROSSREFS
| Cf. A024409 and A146945
Cf. A006278 (8, 16 etc. shapes). [From R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Apr 12 2010]
Sequence in context: A025305 A052155 A097102 * A102924 A083738 A180296
Adjacent sequences: A159778 A159779 A159780 * A159782 A159783 A159784
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KEYWORD
| nonn
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AUTHOR
| John T. Harrison (harrison_uk_2000(AT)yahoo.co.uk), Apr 22 2009
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EXTENSIONS
| 6429 replaced by 6409 and 3 terms added by R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Apr 12 2010
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