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%I #3 Mar 30 2012 17:26:21
%S 10541,33334,47141,57735,66667,105409,105410,105411,105412,105413,
%T 149071,149072,149073,182574,182575,182576,210818,210819,235702,
%U 235703,258198,258199,278886,278887,298141,298142,316227,333332,333333,333334
%N Numbers whose square starts with 5 identical digits.
%e 10541^2=111112681, 33334^2=1111155556.
%t Select[ Range[ 100, 500000 ], Length[ Union[ Take[ IntegerDigits[ #^2 ], 5 ] ] ] == 1 & ] (Jonathan Vos Post, Aug 29 2007)
%Y Cf. A119511, A131573, A132391, A133183.
%K nonn,base
%O 1,1
%A _Zak Seidov_, Aug 04 2006