OFFSET
1,1
LINKS
Wikipedia, Integer Triangle
Wikipedia, Pythagorean Triple.
EXAMPLE
a(1) = 12; there is one Pythagorean triangle with perimeter 12, [3,4,5] and hypotenuse 5 (prime).
a(2) = 30; there is one Pythagorean triangle with perimeter 30, [5,12,13] and hypotenuse 13 (prime).
CROSSREFS
KEYWORD
nonn
AUTHOR
Wesley Ivan Hurt, May 12 2020
STATUS
approved