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A031639 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 51. 0

%I

%S 32449,52981,54370,80777,110393,150769,151546,191258,192133,236557,

%T 238505,242425,289885,296377,348629,352178,356938,407669,411506,

%U 412789,414074,417941,420529,479593,487933,548441,554377,560345,566345,629810

%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 51.

%K nonn

%O 1,1

%A _David W. Wilson_

%E First term 2602 removed by _Georg Fischer_, Jun 16 2019

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Last modified June 25 16:08 EDT 2022. Contains 354851 sequences. (Running on oeis4.)