OFFSET
1,1
COMMENTS
The primary key is the increasing length of the hypotenuse, A020882. If there is more than one solution with that hypotenuse, the (secondary) sorting key is the (increasing) even leg - that is, the terms go in the increasing order. [Corrected by Andrey Zabolotskiy, Oct 31 2019]
Only the even legs 'b' of reduced triangles with gcd(a,b,c)=1, a^2+b^2=c^2, a=q^2-p^2, b=2*p*q, c=q^2+p^2, gcd(p,q)=1 are listed.
LINKS
K. G. Stier, Table of n, a(n) for n = 1..1593
Michael Somos, Pythagorean Triple Table, Reduced integer right triangles, Feb 28, 1998.
Wikipedia, Pythagorean Triple.
CROSSREFS
KEYWORD
nonn,look
AUTHOR
K. G. Stier, Nov 03 2013
STATUS
approved