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%I A031562 #12 Jul 06 2024 16:07:31
%S A031562 4098,4126,4146,4162,4166,4174,4178,4182,4194,4198,4222,4246,4258,
%T A031562 4262,4286,4294,4322,4354,9219,9237,9249,9294,9321,9327,9357,9399,
%U A031562 9417,9438,9444,9489,9501,9507,9543,9561,9573,9579,9582,9609,9633,9687,9723,9726
%N A031562 Numbers k such that the continued fraction for sqrt(k) has even period and if the last term of the periodic part is deleted the central term is 64.
%K A031562 nonn
%O A031562 1,1
%A A031562 _David W. Wilson_

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