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 A094760 #2 Dec 06 2006 03:00:00 %S A094760 1,33,666,11110,166665,2333331,31111108,399999996,4999999995 %N A094760 Duplicate of A083956. %K A094760 dead %O A094760 1,2