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