A070096 Number of integer triangles with perimeter n and relatively prime side lengths which are both acute and scalene.

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, 2, 4, 4, 4, 4, 5, 4, 6, 5, 8, 5, 9, 7, 8, 7, 8, 10, 10, 9, 12, 10, 12, 11, 14, 11, 15, 13, 15, 14, 18, 13, 19, 15, 21, 16, 23, 17, 24, 20, 25, 21, 28, 20, 28, 23, 28

Offset

1,22

Links

Table of n, a(n) for n=1..75.

R. Zumkeller, Integer-sided triangles

Crossrefs

Cf. A070080, A070081, A070082, A070093, A005044, A051493, A070094, A024154, A070084, A070122.

Sequence in context: A280128 A367055 A354703 * A319821 A024154 A117875

Adjacent sequences: A070093 A070094 A070095 * A070097 A070098 A070099

Keyword

nonn

Author

Reinhard Zumkeller, May 05 2002

Status

approved