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 A069667 #10 Mar 19 2016 00:10:40 %S A069667 1,16,121,1024,10201,101124,1002001,24000201,100020001,2500100001, %T A069667 10000200001,141001001001,1000002000001,25000010000001, %U A069667 100000020000001,2500000100000001,10000000200000001,250000001000000001 %N A069667 Smallest nontrivial (no trailing zeros) n-digit square with minimum digit sum. %H A069667 Chai Wah Wu, <a href="/A069667/b069667.txt">Table of n, a(n) for n = 1..37</a> %Y A069667 Cf. A069661, A069662, A069663, A069664, A069665, A069666. %K A069667 nonn,base %O A069667 1,2 %A A069667 _Amarnath Murthy_, Apr 06 2002 %E A069667 More terms from _Sascha Kurz_, Feb 02 2003 %E A069667 More terms from Larry Reeves (larryr(AT)acm.org), Oct 15 2003