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 A092020 #5 Mar 30 2012 17:34:55 %S A092020 5383560,5811960,6126120,8410920,9110640,10581480,11124120,11411400, %T A092020 13573560,14894880,16936920,18976440,19503120,19838280,20060040, %U A092020 23589720,24929520,28930440,29004360,29789760,30084600,31143840 %N A092020 Numbers that can be expressed as the difference of the squares of primes in exactly twenty-four distinct ways. %Y A092020 Cf. A090781, A090782, A090788, A092000-A092019. %K A092020 nonn %O A092020 1,1 %A A092020 _Ray Chandler_, Feb 22 2004 %E A092020 a(6)-a(22) from _Donovan Johnson_, Nov 26 2008