1,1

Also called "excess" of primitive Pythagorean triangles and corresponds to incircle's diameter. - Lekraj Beedassy, Dec 01 2003

Ray Chandler, Table of n, a(n) for n = 1..10000

D. McCullough, The Height and Excess of Pythagorean Triples

a(n) = 2*A020888(n).

For values ordered by hypotenuse, see A087459.

Sequence in context: A342597 A035280 A244367 * A050827 A082990 A099188

Adjacent sequences: A020884 A020885 A020886 * A020888 A020889 A020890

nonn

Clark Kimberling

Offset corrected to 1 by Ray Chandler, Jan 23 2020

approved