| 8, 13, 20, 21, 25, 29, 30, 36, 37, 41, 42, 44, 49, 56, 57, 59, 62, 66, 67, 69, 74, 75, 77, 78, 79, 80, 86, 89, 96, 97, 99, 100, 101, 102, 105, 110, 111, 113, 115, 122, 123, 125, 126, 127, 128, 130, 131, 138, 141, 144, 147, 152, 153
(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(20)=69: [A070080(69), A070081(69), A070082(69)]=[5<6<9], A070084(69)=gcd(5,6,9)=1, A070085(69)=5^2+6^2-9^2=25+36-81=-20<0.
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CROSSREFS
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Cf. A070104, A070110, A070127, A070112.
Sequence in context: A045636 A022954 A070130 this_sequence A030782 A063849 A101642
Adjacent sequences: A070128 A070129 A070130 this_sequence A070132 A070133 A070134
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KEYWORD
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nonn
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AUTHOR
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Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), May 05 2002
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