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.
) == 1 } 4, 1e7; # _Daniel Suteu's wiki page.
) == 1 } 4, 1e7; # _Daniel Suteu has authored 0 sequences.