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]}]]; a[1] = 0; a[2] = 1; Table[a[n], {n, 1, 100}] (* _Jean-François Alcover's wiki page.
] -> 0]}]]; a[1] = 0; a[2] = 1; Table[a[n], {n, 1, 100}] (* _Jean-François Alcover has authored 0 sequences.