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 A069665 #3 Dec 05 2013 19:55:16 %S A069665 9,49,289,6889,97969,698896,9696996,79869969,876988996,8998988769, %T A069665 88998998929,975979998889,9998768898889,97888999968769, %U A069665 898999897988929,9895699989899689,38999699989995889,989879999979599689 %N A069665 Smallest n-digit square with maximum digit sum. %Y A069665 Cf. A069661, A069662, A069663, A069664. %K A069665 nonn,base %O A069665 1,1 %A A069665 _Amarnath Murthy_, Apr 06 2002 %E A069665 More terms from Larry Reeves (larryr(AT)acm.org), Oct 14 2003