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%I #13 Jul 06 2024 16:10:44
%S 6402,6406,6434,6478,6494,6498,6502,6514,6518,6542,6546,6582,6598,
%T 6614,6638,6646,6658,6662,6686,6694,6718,6722,14403,14439,14457,14493,
%U 14511,14541,14583,14613,14622,14709,14727,14757,14763,14766,14772,14781,14793
%N 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 80.
%K nonn
%O 1,1
%A _David W. Wilson_