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A031640 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 52. 0

%I #12 Aug 18 2021 00:10:32

%S 17449,55306,55777,83065,84221,115769,117133,153889,155461,157834,

%T 196538,198314,200098,250361,252365,302941,309577,360529,368978,

%U 370193,424426,425729,427034,428341,430961,433589,434906,438869,504829,507673

%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 52.

%K nonn

%O 1,1

%A _David W. Wilson_

%E First term 2705 removed by _Georg Fischer_, Jun 16 2019

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Last modified April 24 15:18 EDT 2024. Contains 371960 sequences. (Running on oeis4.)