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 A051892 #9 Jan 27 2020 16:58:45 %S A051892 1,2,5,9,14,50,174,260,284,285,330,545,744,1134,1170,1274,1329,1364, %T A051892 1365,2024,2639,3179,3435,3779,4115,4860,5859,5889,6035,6669,8645, %U A051892 8960,8979,9714,9944,10115,10179,15770,16589,16875,19325,20214,20265,21450 %N A051892 Values of e, the lesser key or generating number for Pythagorean triangles in which S (the odd short leg) and U (the hypotenuse) are twin primes. %H A051892 Robert Simms, <a href="https://web.archive.org/web/20080622012348/http://www.math.clemson.edu/~simms/neat/math/pyth/">Deriving Pythagorean Triples</a> (web archive) %Y A051892 Equals A051891 - 1. See A051642 for the S's, A051859 for the U's and A051858 for the T's (the even long leg). %K A051892 nonn %O A051892 1,2 %A A051892 Stuart M. Ellerstein (ellerstein(AT)aol.com), Dec 17 1999 %E A051892 More terms from _Joshua Zucker_, May 12 2006