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.
j, x) + 2, for j = 1, ..., delta(2*m+1). Thus MPc2(2*m+1, x) = Product's wiki page.
j, x) + 2, for j = 1, ..., delta(2*m+1). Thus MPc2(2*m+1, x) = Product has authored 0 sequences.