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Search: id:A070134
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| A070134 |
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Numbers n such that [A070080(n), A070081(n), A070082(n)] is an obtuse isosceles integer triangle with relatively prime side lengths. |
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+0
8
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| 5, 14, 32, 52, 61, 104, 118, 133, 146, 163, 202, 242, 246, 266, 314, 342, 404, 437, 467, 472, 504, 542, 547, 577, 619, 625, 714, 757, 801, 807, 853, 907, 957, 1015, 1022, 1082, 1139, 1145, 1265, 1278, 1335, 1414, 1475
(list; graph; listen)
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OFFSET
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1,1
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LINKS
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R. Zumkeller, Integer-sided triangles
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EXAMPLE
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a(5)=61: [A070080(61), A070081(61), A070082(61)]=[5=5<9], A070084(69)=gcd(5,5,9)=1, A070085(61)=5^2+5^2-9^2=25+25-81=-31<0.
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CROSSREFS
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Cf. A070107, A070110, A070127, A070115.
Sequence in context: A081861 A023652 A101648 this_sequence A064412 A139754 A036595
Adjacent sequences: A070131 A070132 A070133 this_sequence A070135 A070136 A070137
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KEYWORD
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nonn
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AUTHOR
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Reinhard Zumkeller (reinhard.zumkeller(AT)lhsystems.com), May 05 2002
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