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%I #2 Mar 30 2012 17:40:41
%S 4040609404060944,603783587037835876,
%T 617639516153625555176395161536255556,
%U 680188481201573219801884812015732196
%N Squares with structure dmmd, where d is a single digit and m a string of digits.
%C a(5) = 1[7614436409951194844][7614436409951194844]1.
%e 785900449264170834^2 = a(3) = 6[17639516153625555][17639516153625555]6.
%Y Cf. A116499, A116502.
%K base,nonn
%O 1,1
%A _Giovanni Resta_, Feb 18 2006
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