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 A218037 #18 Apr 12 2013 17:12:36 %S A218037 100,200,300,400,500,600,700,800,900,1001,1002,1003,1004,1005,1006, %T A218037 1007,1008,1009,1100,1200,1300,1400,1500,1600,1700,1800,1900,2001, %U A218037 2002,2003,2004,2005,2006,2007,2008,2009,2100,2200,2300,2400,2500,2600,2700,2800 %N A218037 Decimal numbers with exactly two consecutive zeros. %C A218037 The various "beatmap" sequences used in music, dance choreography and even juggling has been standardized with an often employed "00" subsequence. This "00" represents two empty beats, like a musical rest of 2 beats in a measure. %H A218037 Wikipedia, <a href="http://en.wikipedia.org/wiki/Juggling_notation">Juggling Notation</a> %Y A218037 Cf. A043490 (superset). %K A218037 nonn,base %O A218037 1,1 %A A218037 _Joshua S.M. Weiner_, Oct 19 2012