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A031648 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 60. 0

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

%S 23129,45418,74065,111677,153833,206341,262433,263458,265514,268613,

%T 399865,487733,566129,569141,572161,573674,575189,576706,660073,

%U 669853,673129,764717,775241,778765,782297,867722,869585,873317,877057,886442

%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 60.

%K nonn

%O 1,1

%A _David W. Wilson_

%E First term 3601 removed by _Georg Fischer_, Jun 16 2019

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Last modified May 20 08:05 EDT 2024. Contains 372703 sequences. (Running on oeis4.)