%I #10 Jul 11 2021 07:23:10
%S 3169,3697,5233,6269,6521,9521,9754,9946,10169,12149,12202,12385,
%T 13738,15461,15706,15898,17321,18922,19853,20065,20341,21977,21985,
%U 23333,24154,24457,24953,25013,25034,25181,27109,27781,27802,28114,28249,28786,28873
%N Numbers k such that the continued fraction for sqrt(k) has period 81.
%K nonn
%O 1,1
%A _David W. Wilson_
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