A298614 Number of primitive Heronian triangles with perimeter A096468(n).

1, 1, 1, 1, 1, 2, 1, 2, 1, 1, 2, 3, 1, 1, 3, 1, 1, 2, 1, 1, 1, 2, 5, 3, 1, 6, 3, 2, 5, 1, 4, 1, 1, 1, 4, 1, 6, 1, 3, 4, 5, 1, 3, 3, 2, 8, 1, 1, 1, 1, 1, 5, 1, 3, 2, 2, 7, 8, 3, 4, 3, 2, 6, 3, 3, 1, 5, 4, 3, 1, 5, 1, 2, 6, 16, 1, 9, 4, 9, 1, 3, 2, 3, 1, 4

Offset: 1

Author

Peter Kagey, Jan 26 2018

Keywords

• nonn

Comments

A Heronian triangle is a triangle with integer sides and area.

Links

• Peter Kagey, Table of n, a(n) for n = 1..5000
• Sascha Kurz, Lists of primitive Heronian triples, Bayreuth University.

Crossrefs

This is A070138 with the zeros omitted.

Cf. A096468.

Formula

a(n) = A070138(A096468(n)).