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A107572
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List of triples a,b,c that are sidelengths of a scalene triangle; a<b<c, lexically by perimeter.
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5
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2, 3, 4, 2, 4, 5, 3, 4, 5, 2, 5, 6, 3, 4, 6, 3, 5, 6, 2, 6, 7, 3, 5, 7, 4, 5, 6, 3, 6, 7, 4, 5, 7, 2, 7, 8, 3, 6, 8, 4, 5, 8, 4, 6, 7, 3, 7, 8, 4, 6, 8, 5, 6, 7, 2, 8, 9, 3, 7, 9, 4, 6, 9, 4, 7, 8, 5, 6, 8, 3, 8, 9, 4, 7, 9, 5, 6, 9, 5, 7, 8, 2, 9, 10, 3, 8, 10, 4, 7, 10, 4, 8, 9, 5, 6, 10, 5, 7, 9, 6, 7, 8, 3
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,1
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COMMENTS
| The number of such triangles of perimeter n+6 is Alcuin's sequence, as noted at A005044.
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EXAMPLE
| (2,3,4) is the least such triangle, followed by (2,4,5) and then (3,4,5).
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CROSSREFS
| Cf. A107573, A107574, A107575, A107576, A107577, A005044, A070080.
Sequence in context: A166281 A107468 A023632 * A043264 A117826 A173229
Adjacent sequences: A107569 A107570 A107571 * A107573 A107574 A107575
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KEYWORD
| nonn,tabf
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AUTHOR
| Clark Kimberling (ck6(AT)evansville.edu), May 16 2005
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