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A031670 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 82. 0

%I #14 Aug 18 2021 00:10:32

%S 42461,136981,137722,206237,208057,379681,383386,387109,487493,493093,

%T 497314,621305,750397,897338,899233,903029,1053301,1055354,1057409,

%U 1059466,1065649,1069781,1073921,1075994,1228393,1237273,1250653

%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 82.

%Y Subsequence of A003814.

%K nonn

%O 1,1

%A _David W. Wilson_

%E First term 6725 removed by _Georg Fischer_, Jun 16 2019

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Last modified June 25 10:28 EDT 2024. Contains 373701 sequences. (Running on oeis4.)