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.
{10}, y = (y_m...y_1y_0)'s wiki page.
{10}, y = (y_m...y_1y_0) has authored 0 sequences.