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 A282320 #9 Feb 23 2017 23:48:22 %S A282320 1,1,2,3,7,16,54,241,2038,33120 %N A282320 Erroneous version of A002854. %C A282320 Included in accordance with the OEIS policy of including erroneous published sequences to serve as pointers to the correct versions. %D A282320 Hofmeister, Michael. "Counting double covers of graphs." Journal of graph theory 12.3 (1988): 437-444. %K A282320 dead %O A282320 1,3