A334590 Number of nonprimitive Heronian triangles with perimeter A334589(n).

1, 1, 2, 2, 1, 2, 2, 4, 2, 3, 1, 2, 4, 2, 7, 2, 4, 3, 5, 3, 1, 2, 7, 3, 1, 2, 5, 4, 9, 2, 9, 8, 6, 2, 6, 2, 3, 5, 13, 2, 7, 3, 2, 9, 2, 12, 9, 1, 9, 8, 3, 1, 7, 13, 8, 13, 3, 1, 4, 7, 10, 20, 1, 3, 16, 2, 2, 1, 2, 4, 8, 13, 3, 1, 3, 7, 3, 19, 3, 15, 15, 13, 6, 1, 6, 21, 22, 6, 2, 15, 12

Offset: 1

Author

Wesley Ivan Hurt, May 06 2020

Keywords

• nonn

Examples

			a(1) = 1; there is one nonprimitive Heronian triangle with a perimeter of A334589(1) = 24, which is [6,8,10].
a(2) = 1; there is one nonprimitive Heronian triangle with a perimeter of A334589(2) = 32, which is [10,10,12].
		

Links

• Eric Weisstein's World of Mathematics, Heronian Triangle
• Wikipedia, Heronian triangle
• Wikipedia, Integer Triangle

Crossrefs

Cf. A051518, A096468, A334589.