This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A140385 #2 Mar 30 2012 18:52:25 %S A140385 3,8,5,5,24,13,15,16,17,21,40,29,35,24,37,9,80,41,45,56,53,11,120,61, %T A140385 55,96,73,39,160,89,65,144,97,99,40,101,91,120,109,15,224,113,105,176, %U A140385 137,51,280,149,85,264,157,165,104,173,19,360,181,95,336,193,195,56,197,221 %N A140385 Consecutive area triples (y^2-x^2,4xy,p=x^2+y^2) associated with the Pythagorean primes A002144. %C A140385 Triples A070079(i), 8*A070151(i), A002144(i), i=1,2,3... in compound order. %e A140385 (3,8,5) followed by (5,24,13) followed by (15,16,17) ... %K A140385 nonn,less %O A140385 1,1 %A A140385 _Juri-Stepan Gerasimov_, Jun 13 2008 %E A140385 Edited by R. J. Mathar, Jun 16 2008