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 A050085 #4 Mar 30 2012 18:57:00 %S A050085 1,5,7,14,2,16,28,4,40,6,30,52,13,25,8,20,91,32,86,15,81,140,27,135,3, %T A050085 22,39,93,221,17,88,248,56,179,29,110,174,51,105,137,12,73,24,196,41, %U A050085 68,127,191,287,19,90,186,250,314,31,149,213,85,309 %N A050085 a(n)=position of n in A050084. %K A050085 nonn %O A050085 1,2 %A A050085 _Clark Kimberling_