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.
?PrimeQ]; s = {}; dm = 0; Do[d = DivisorSigma[0, n]; If[d > dm, dm = d; AppendTo[s, f[n]]], {n, 1, 10^6}]; s (* _Amiram Eldar has authored 0 sequences.