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 A119511 #10 Feb 15 2015 17:49:22 %S A119511 1,15,149,2357,10541,57735,745356,1490712,182574186,2357022604, %T A119511 298142397,7453559925,1490711985,10540925533895,74535599249993, %U A119511 105409255338946,7453559924999299,14907119849998598,471404520791031683 %N A119511 a(n) is the smallest positive integer whose square starts with precisely n identical digits. %H A119511 Hans Havermann, <a href="/A119511/b119511.txt">Table of n, a(n) for n = 1..1000</a> %e A119511 Note that 15^2 = 225 and 149^2 = 22201. %Y A119511 Cf. A119998. %K A119511 base,nonn %O A119511 1,2 %A A119511 _Tanya Khovanova_, Jul 26 2006 %E A119511 More terms from _R. J. Mathar_, Jul 29 2006