A334938 Sum of the middle side lengths of all Heronian triangles with even sides and perimeter A334936(n).

8, 10, 10, 16, 24, 46, 90, 30, 58, 26, 96, 60, 154, 48, 138, 234, 50, 50, 92, 238, 40, 52, 220, 492, 52, 334, 344, 410, 338, 158, 936, 66, 458, 76, 444, 334, 858, 82, 858, 202, 540, 1120, 832, 200, 306, 552, 780, 1434, 100, 1230, 122, 122, 120, 808, 1268, 428, 260, 260, 2066, 1950, 764, 1342

Offset: 1

Author

Wesley Ivan Hurt, May 16 2020

Keywords

• nonn

Examples

			a(1) = 8; there is one Heronian triangle with even side lengths and perimeter A334936(1) = 24, [6,8,10] whose middle side length is 8.
a(2) = 10; there is one Heronian triangle with even side lengths and perimeter A334936(2) = 32, [10,10,12] whose middle side length is 10.
		

Links

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

Crossrefs

Cf. A334936, A334937, A334939.