A020892 Ordered set of (c + a - b)/2 as (a,b,c) runs through all primitive Pythagorean triples with a<b<c.

2, 3, 4, 5, 5, 6, 7, 7, 8, 9, 9, 10, 11, 11, 12, 13, 13, 14, 14, 15, 15, 16, 17, 17, 18, 18, 19, 19, 20, 21, 21, 21, 22, 22, 23, 23, 24, 24, 25, 25, 26, 26, 27, 27, 28, 29, 29, 30, 30, 30, 31, 31, 32, 33, 33, 33, 33, 34, 34, 35, 35, 36, 37, 37, 38, 38, 39, 39, 39, 39, 40, 41, 41, 42, 42

Offset

1,1

Links

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

Formula

a(n) = A020891(n)/2.

Crossrefs

Cf. A020891.

Sequence in context: A373178 A275579 A198292 * A196165 A356990 A138366

Adjacent sequences: A020889 A020890 A020891 * A020893 A020894 A020895

Keyword

nonn

Author

Clark Kimberling

Extensions

Offset corrected to 1 by Ray Chandler, Jan 23 2020

Status

approved