A020888 Ordered set of (a + b - c)/2 as (a,b,c) runs through all primitive Pythagorean triples with a<b<c.

1, 2, 3, 3, 4, 5, 5, 6, 6, 7, 7, 8, 9, 9, 10, 10, 11, 11, 12, 12, 13, 13, 14, 14, 15, 15, 15, 15, 16, 17, 17, 18, 18, 19, 19, 20, 20, 21, 21, 21, 21, 22, 22, 23, 23, 24, 24, 25, 25, 26, 26, 27, 27, 28, 28, 29, 29, 30, 30, 30, 30, 31, 31, 32, 33, 33, 33, 33, 34, 34, 35, 35, 35, 35

Offset

1,2

Comments

n appears A068068(n) number of times. - Lekraj Beedassy, May 03 2006

Ordered inradii of primitive Pythagorean triangles. - Lekraj Beedassy, May 08 2006

Links

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

Formula

a(n) = A020887(n)/2.

Crossrefs

For values ordered by hypotenuse, see A014498.

Sequence in context: A047785 A027923 A167743 * A196393 A274089 A357409

Adjacent sequences: A020885 A020886 A020887 * A020889 A020890 A020891

Keyword

nonn

Author

Clark Kimberling

Extensions

Offset corrected to 1 by Ray Chandler, Jan 23 2020

Status

approved