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A334560
Perimeters of primitive Heronian triangles whose longest side length is squarefree.
2
12, 16, 30, 32, 36, 40, 42, 48, 50, 54, 60, 64, 66, 68, 70, 72, 76, 78, 80, 84, 90, 98, 100, 104, 108, 112, 114, 126, 128, 132, 136, 140, 144, 150, 152, 154, 156, 160, 162, 164, 168, 174, 176, 180, 182, 186, 190, 192, 196, 198, 200, 204, 208, 210, 216, 220, 222, 224
OFFSET
1,1
LINKS
Eric Weisstein's World of Mathematics, Heronian Triangle
Wikipedia, Integer Triangle
EXAMPLE
a(1) = 12; there is one primitive Heronian triangle with a perimeter of 12 whose longest side length is squarefree, which is [3,4,5].
a(4) = 32; there is one primitive Heronian triangle with a perimeter of 36 whose longest side length is squarefree, [4,13,15].
CROSSREFS
KEYWORD
nonn
AUTHOR
Wesley Ivan Hurt, May 06 2020
STATUS
approved