Changes

More formally: given a positive integer ''n'', the triple can be generated by the following two procedures:

More formally: given a positive integer ''n'', the triple can be generated by the following two procedures:

(see http://www.mcs.surrey.ac.uk/Personal/R.Knott/Pythag/pythag.html )

(see http://web.archive.org/web/20090916034804/http://www.mcs.surrey.ac.uk/Personal/R.Knott/Pythag/pythag.html )

:<math> a= 2n + 1  \,:\,  b=2n(n + 1)  \,:\, c = 2n(n + 1) + 1 </math>

:<math> a= 2n + 1  \,:\,  b=2n(n + 1)  \,:\, c = 2n(n + 1) + 1 </math>