A024160 - OEIS

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, 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, 7