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 A070223 #2 Mar 30 2012 17:30:43 %S A070223 0,1,2,3,5,8,11,12,16,24,31,48,56,60,76,132,155,164,176,191,217,277, %T A070223 328,395,588,692,697,915,1148,7371,21100,22742,89678,114902,125664, %U A070223 128079,144573,149465,171654,198676,213885,222898,248633,353497,382075 %N A070223 Square roots of A069191, sorted. %Y A070223 Cf. A069191. %K A070223 nonn %O A070223 1,3 %A A070223 _Robert G. Wilson v_, May 25 2002