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.
Integer]; Array[f, 91] (* _Robert G. Wilson v's wiki page.
Integer]; Array[f, 91] (* _Robert G. Wilson v has authored 0 sequences.