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 A033663 #5 Mar 30 2012 18:35:33 %S A033663 4,27,58,438,728,378,2944,2576,588,778,5936,2679,9880,2888,4788,15778, %T A033663 16688,9849,5998,9968,17889,69856,26999,76896,177688,167888,159996, %U A033663 79978,487697,188889,895696,777896,399699,869896,1879976,957999,779998 %N A033663 Least Smith number having digital sum A033662(n). %Y A033663 Cf. A006753. %K A033663 base,nonn %O A033663 1,1 %A A033663 _David W. Wilson_