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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 83.
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%I #14 Aug 18 2021 00:10:32

%S 85313,85898,142210,291769,392101,394609,395866,504389,630797,633977,

%T 764317,771325,916378,927898,1078069,1086389,1090561,1098929,1277629,

%U 1282153,1460105,1469785,1474637,1479497,1662482,1665061,1667642

%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 83.

%Y Subsequence of A003814.

%K nonn

%O 1,1

%A _David W. Wilson_

%E First term 6890 removed by _Georg Fischer_, Jun 16 2019