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.
]++; while ($S[1] == $S[$k]) { print "$k $'s wiki page.
]++; while ($S[1] == $S[$k]) { print "$k $ has authored 0 sequences.