A020889 Ordered set of b + c - a as (a,b,c) runs through all primitive Pythagorean triples with a<b<c.

6, 20, 24, 30, 42, 60, 70, 72, 80, 88, 104, 110, 112, 126, 130, 140, 154, 156, 170, 180, 198, 204, 210, 228, 234, 238, 252, 264, 266, 272, 286, 304, 308, 322, 330, 336, 342, 352, 364, 368, 374, 390, 396, 400, 414, 416, 420, 432, 442, 450, 460, 468, 480, 494, 506, 510

Offset

1,1

Links

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

Formula

a(n) = 2*A020890(n).

Crossrefs

Cf. A020890.

Sequence in context: A062017 A103678 A348713 * A334817 A084682 A341298

Adjacent sequences: A020886 A020887 A020888 * A020890 A020891 A020892

Keyword

nonn

Author

Clark Kimberling

Extensions

Extended and corrected by David W. Wilson

Offset corrected to 1 by Ray Chandler, Jan 23 2020

Status

approved