Search: id:A109688
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%I A109688
%S A109688 1,1,225,343396,44944,505575225,4666665969,77770707876,388888184881,
%T A109688 9499999990849
%N A109688 Smallest square that contains exactly n occurrences of the string n.
%e A109688 a(2)=225=15^2 since this is the first square that contains two 2's.
%Y A109688 Sequence in context: A051364 A061051 A036428 this_sequence A013757 A151653 
               A077729
%Y A109688 Adjacent sequences: A109685 A109686 A109687 this_sequence A109689 A109690 
               A109691
%K A109688 base,more,nonn
%O A109688 0,3
%A A109688 Erich Friedman (efriedma(AT)stetson.edu), Aug 07 2005
%E A109688 Corrected and extended by Giovanni Resta (g.resta(AT)iit.cnr.it), Apr 
               05 2006

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