A024157 Number of integer-sided triangles with sides a,b,c, a<b<c, a+b+c=n such that n divides abc.

0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 2, 0, 0, 0, 0, 1, 2, 0, 0, 2, 0, 0, 1, 2, 0, 4, 0, 1, 4, 0, 4, 2, 0, 0, 4, 5, 0, 6, 0, 3, 6, 0, 0, 9, 0, 0, 6, 3, 0, 3, 6, 7, 6, 0, 0, 14, 0, 0, 9, 4, 8, 10, 0, 4, 8, 12, 0, 9, 0, 0, 9, 5, 10, 12, 0, 17, 11, 0, 0, 21, 10, 0, 10, 10, 0, 18, 12, 6, 10, 0, 12, 22, 0, 1, 13, 8

Offset

1,15

Links

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

Sean A. Irvine, Java program (github)

Crossrefs

Sequence in context: A271719 A339088 A025907 * A331919 A332005 A039968

Adjacent sequences: A024154 A024155 A024156 * A024158 A024159 A024160

Keyword

nonn

Author

Clark Kimberling

Extensions

a(100) corrected by Sean A. Irvine, Jun 20 2019

Status

approved