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A024154 Number of integer-sided triangles with sides a,b,c, a<b<c, a+b+c=n that are acute. 5
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 1, 1, 1, 1, 1, 2, 1, 2, 2, 2, 3, 3, 4, 3, 4, 4, 4, 5, 5, 5, 6, 6, 8, 6, 9, 8, 8, 9, 9, 11, 10, 11, 12, 12, 13, 13, 14, 15, 15, 16, 16, 18, 18, 17, 19, 19, 22, 20, 23, 23, 24, 25, 26, 26, 28, 27, 28, 29, 31, 31, 32, 34, 34, 36, 35, 38, 37, 38, 40, 41, 44, 43, 45 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,22

LINKS

Table of n, a(n) for n=1..89.

CROSSREFS

Sequence in context: A280128 A070096 A319821 * A117875 A084840 A029278

Adjacent sequences:  A024151 A024152 A024153 * A024155 A024156 A024157

KEYWORD

nonn

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified July 8 18:44 EDT 2020. Contains 335524 sequences. (Running on oeis4.)