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 A119998 #12 Sep 27 2013 15:18:52 %S A119998 1,15,149,2357,10541,57735,745356,1490712,182574186,298142397, %T A119998 298142397,1490711985,1490711985,10540925533895,74535599249993, %U A119998 105409255338946,7453559924999299,14907119849998598,471404520791031683,7453559924999298988 %N A119998 a(n) is the smallest positive integer whose square starts with (at least) n identical digits. %H A119998 Alois P. Heinz, <a href="/A119998/b119998.txt">Table of n, a(n) for n = 1..200</a> %F A119998 a(n) <= A119511(n). - _R. J. Mathar_, Aug 08 2006 %F A119998 a(n) = sqrt(A192934(n)). - _Alois P. Heinz_, Sep 02 2011 %e A119998 Note that 15^2 = 225 and 149^2 = 22201. %Y A119998 Cf. A119511, A192934. %K A119998 base,nonn %O A119998 1,2 %A A119998 _Tanya Khovanova_, Jul 26 2006 %E A119998 More terms from _R. J. Mathar_, Jul 29 2006 %E A119998 More terms from _R. J. Mathar_, Aug 08 2006