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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 66.
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%I #12 Jul 06 2024 16:07:58

%S 4358,4374,4382,4386,4406,4414,4418,4434,4454,4462,4478,4482,4486,

%T 4502,4518,4526,4534,4546,4562,4566,4574,4598,4614,4622,9804,9813,

%U 9876,9897,9903,9921,9942,9957,9969,9993,10014,10029,10041,10077,10101,10113,10119

%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 66.

%K nonn

%O 1,1

%A _David W. Wilson_