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 A071072 #7 Mar 30 2012 18:38:59 %S A071072 0,4,8,12,16,32,36,52,56,72,76,92,96 %N A071072 Minimal "multiples of 4" set in base 10. %C A071072 Any multiple of 4 contains in its digits at least one of the terms of this sequence, and there is no smaller set. %D A071072 J.-P. Delahaye, "Pour la science" (French edition of Scientific American), Juin 2002, p. 98 %Y A071072 Cf. A071062, A071071, A071070, A071073. %K A071072 fini,full,nonn,base %O A071072 1,2 %A A071072 _Benoit Cloitre_, May 26 2002