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 A092153 #2 Apr 30 2014 01:30:31 %S A092153 208,249,273,408,434,459,494,698,808,928,954,1038,1069,1244,1489,1684, %T A092153 1698,1718,1753,2054,2263,2264,2383,2389,2774,2804,3078,3258,3514, %U A092153 4333,4669,5058,5094,5098,5138,5169,5378,5393,5604,7394,7424,8013 %N A092153 1/24 * (A018188(n)-11). %C A092153 The pair 2263, 2264 is unique in the first 2030 values. %H A092153 Jon Grantham, <a href="http://www.pseudoprime.com/pseudo.html">Pseudoprimes/Probable Primes</a> %K A092153 nonn %O A092153 0,1 %A A092153 _Ralf Stephan_, Apr 02 2004