login
Ordered odd short legs of primitive Pythagorean triangles.
7

%I #15 Jan 21 2020 13:52:20

%S 3,5,7,9,11,13,15,17,19,21,23,25,27,29,31,33,33,35,37,39,39,41,43,45,

%T 47,49,51,51,53,55,57,57,59,61,63,65,65,67,69,69,71,73,75,75,77,79,81,

%U 83,85,85,87,87,89,91,93,93,95,95,97,99,101,103,105,105,105,107,109,111

%N Ordered odd short legs of primitive Pythagorean triangles.

%C Sequence comprises all odd values greater than 1. In particular, primitive Pythagorean triangles with consecutive longer sides have long and short legs 2n(n+1) {A046092(n)} and 2n+1 {A005408(n)} respectively.

%H Ray Chandler, <a href="/A081874/b081874.txt">Table of n, a(n) for n = 1..10000</a>

%H Ron Knott, <a href="http://www.maths.surrey.ac.uk/hosted-sites/R.Knott/Pythag/pythag.html">Pythagorean Triples and Online Calculators</a>

%Y Cf. A020884, A046092, A005408.

%K nonn

%O 1,1

%A _Lekraj Beedassy_, Apr 23 2003

%E Corrected and extended by _Ray Chandler_, Oct 29 2003