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 A169762 #5 Mar 16 2013 11:15:19 %S A169762 1,1,2,4,9,14,23 %N A169762 a(n) = value of K corresponding to A169761(n). %F A169762 a(n) = A169761(n)-n. %e A169762 a(9) = 9 corresponds to the [18,9,6] extended quadratic residue code. %K A169762 nonn,more %O A169762 5,3 %A A169762 _N. J. A. Sloane_, May 08 2010