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.
%I A109327 #4 Jun 30 2017 09:09:19 %S A109327 3,8,20,44,80,343,399 %N A109327 Erroneous version of A000236. %H A109327 J. H. Jordan, <a href="http://dx.doi.org/10.4153/CJM-1964-030-6">Pairs of consecutive power residues or nonresidues</a>, Canad. J. Math., 16 (1964), 310-314. %H A109327 J. R. Rabung and J. H. Jordan, <a href="http://dx.doi.org/10.1090/S0025-5718-1970-0277469-8">Consecutive power residues or nonresidues</a>, Math. Comp., 24 (1970), 737-740. %K A109327 dead %O A109327 2,1