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A107572 List of triples a,b,c that are sidelengths of a scalene triangle; a<b<c, lexically by perimeter. 6
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; text; internal format)
OFFSET

1,1

COMMENTS

The number of such triangles of perimeter n+6 is Alcuin's sequence, as noted at A005044.

LINKS

Table of n, a(n) for n=1..103.

EXAMPLE

(2,3,4) is the least such triangle, followed by (2,4,5) and then (3,4,5).

CROSSREFS

Cf. A107573, A107574, A107575, A107576, A107577, A005044, A070080.

Sequence in context: A023632 A286844 A338272 * A043264 A268444 A117826

Adjacent sequences:  A107569 A107570 A107571 * A107573 A107574 A107575

KEYWORD

nonn,tabf

AUTHOR

Clark Kimberling, May 16 2005

STATUS

approved

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Last modified December 8 03:17 EST 2021. Contains 349590 sequences. (Running on oeis4.)