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.
q - P(m-1,q)). (Here m!_q is the standard q-factorial.) Then P(m,q) enumerates the pure inverting compositions of length at most m and lim has authored 0 sequences.