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A024156 Number of integer-sided triangles with sides a,b,c, a<b<c, a+b+c=n that are obtuse. +0
6
0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 1, 0, 2, 1, 2, 2, 3, 2, 4, 3, 6, 3, 7, 4, 8, 6, 9, 7, 10, 8, 12, 10, 15, 11, 16, 13, 18, 15, 19, 17, 21, 19, 25, 21, 28, 22, 30, 25, 32, 28, 35, 31, 38, 33, 41, 35, 45, 38, 47, 42, 51, 46, 53, 50, 57, 52, 61, 55, 65, 58, 68, 63, 74, 67, 77, 71, 82, 74, 86, 77, 92, 82, 96, 87 (list; graph; listen)
OFFSET

1,13

CROSSREFS

Sequence in context: A127682 A127685 A127687 this_sequence A075989 A085432 A029169

Adjacent sequences: A024153 A024154 A024155 this_sequence A024157 A024158 A024159

KEYWORD

nonn

AUTHOR

Clark Kimberling (ck6(AT)evansville.edu)

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Last modified July 26 13:41 EDT 2008. Contains 142293 sequences.


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