OFFSET
1,1
COMMENTS
A Pythagorean triangle is a right triangle with integer side length x, y, z forming a Pythagorean triple (x, y, z).
Because (x, y, z) is equivalent to (y, x, z), the total number of Pythagorean triangles with legs x, y < 10^n is b(n) = 2*a(n) = 4, 124, 2064, 28942, ...
LINKS
Eric Weisstein's World of Mathematics, Pythagorean Triangle.
Eric Weisstein's World of Mathematics, Pythagorean Triple.
CROSSREFS
KEYWORD
nonn,more
AUTHOR
Martin Renner, Mar 26 2014
EXTENSIONS
a(5)-a(11) from Giovanni Resta, Mar 27 2014
STATUS
approved