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.
,m in g.charpoly().roots(ZZ))==n) # _Max Alekseyev's wiki page.
,m in g.charpoly().roots(ZZ))==n) # _Max Alekseyev has authored 0 sequences.