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A024160 Number of integer-sided triangles with sides a,b,c, a<b<c, a+b+c=n such that (c-b)(c-a)(b-a) divides (c+b)(c+a)(b+a). 0
0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 1, 1, 1, 1, 2, 1, 2, 2, 3, 1, 3, 3, 4, 2, 3, 3, 4, 2, 5, 3, 4, 2, 5, 5, 2, 4, 6, 6, 5, 2, 6, 5, 5, 3, 5, 5, 7, 5, 6, 5, 7, 4, 9, 7, 6, 4, 8, 7, 8, 6, 9, 6, 8, 4, 4, 8, 11, 7, 10, 4, 9, 8, 8, 7, 8, 8, 9, 9, 7, 3, 10, 8, 8, 8, 5, 9, 11, 7, 11, 8, 7, 9, 12, 12, 8, 7, 10, 9, 13, 0 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,15

LINKS

Table of n, a(n) for n=1..100.

CROSSREFS

Sequence in context: A178692 A033666 A139124 * A103284 A071287 A072084

Adjacent sequences:  A024157 A024158 A024159 * A024161 A024162 A024163

KEYWORD

nonn

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified October 25 03:21 EDT 2014. Contains 248517 sequences.