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Numbers k such that the continued fraction for sqrt(k) has odd period and if the last term of the periodic part is deleted the two central terms are both 64.
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%I #12 Aug 18 2021 00:10:32

%S 26269,84181,126857,174893,232549,299498,300593,372461,377357,379817,

%T 462841,465565,543698,548129,551093,558538,643829,645434,650261,

%U 651874,754153,761113,865741,873197,884441,992977,994970,1006970,1010986

%N Numbers k such that the continued fraction for sqrt(k) has odd period and if the last term of the periodic part is deleted the two central terms are both 64.

%K nonn

%O 1,1

%A _David W. Wilson_

%E First term 4097 removed by _Georg Fischer_, Jun 16 2019