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 A096420 #2 Mar 31 2012 14:11:11 %S A096420 2,3,3,3,3,10,10,12,29,29,47,175,757,90898,148227,168544,2848069, %T A096420 17425845,40219759,49525807,82271521,86730226,100632852,137736877 %N A096420 Engel expansion of Renyi's Parking constant. %Y A096420 Cf. A050996. %K A096420 nonn %O A096420 1,1 %A A096420 _Gerald McGarvey_, Aug 08 2004