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.
==0,@p; push@p,$p; push@c,$p-1; }print"$n,"if!grep$n%$'s wiki page.
==0,@p; push@p,$p; push@c,$p-1; }print"$n,"if!grep$n%$ has authored 0 sequences.