A289253 Areas of integer-sided triangles whose area equals 7 times their perimeter.

1134, 1176, 1344, 1386, 1470, 1596, 1680, 1764, 1848, 1890, 2016, 2058, 2184, 2310, 2394, 2520, 2604, 2856, 2940, 3024, 3360, 3696, 3780, 3864, 4032, 4242, 4368, 4536, 4830, 5292, 5544, 5712, 6006, 6090, 6216, 6258, 6510, 6636, 6720

Offset: 1

Author

Zhining Yang, Jun 29 2017

Keywords

• fini
• full
• nonn

Examples

			The areas 1134,1176,1344,1386,1470, ... pertain respectively to triangles with sides (39,60,63), (42,56,70), (40,68,84), (36,77,85), (35,84,91)...., equal 7 times their perimeter 162,168,192,198,210,...
		

Links

• Zhining Yang, Table of n, a(n) for n = 1..77

Crossrefs

Cf. A098030, A289218, A289219, A289220, A289221.

A row of the triangle in A290451.

Cf. A332927 (listing distinct triangles with identical areas separately).