OFFSET
1,1
LINKS
Eric Weisstein's World of Mathematics, Heronian Triangle
Wikipedia, Heronian triangle
Wikipedia, Integer Triangle
FORMULA
a(1) = 4; there is one primitive Heronian triangle with perimeter A096468(1) = 12, which is [3,4,5] and its middle side length is 4.
a(6) = 13; there are two primitive Heronian triangles with perimeter A096468(6) = 36, [9,10,17] and [10,13,13] with middle side lengths 10 and 13. The largest of these is 13.
CROSSREFS
KEYWORD
nonn
AUTHOR
Wesley Ivan Hurt, May 03 2020
STATUS
approved