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.
]:={{}};P[ n_Integer,1 ]:={Table[ 1,{n} ]};P[ 's wiki page.
]:={{}};P[ n_Integer,1 ]:={Table[ 1,{n} ]};P[ has authored 0 sequences.