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A031657 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 69. 0

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

%S 58613,96802,98050,146045,202669,268549,348389,350753,351938,430697,

%T 433325,435961,441257,632554,640529,645338,745394,747121,752314,

%U 754049,755786,761009,764501,880573,1008857,1024985,1029037,1145861,1148002

%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 69.

%K nonn

%O 1,1

%A _David W. Wilson_

%E First term 4762 removed by _Georg Fischer_, Jun 16 2019

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Last modified April 20 00:03 EDT 2024. Contains 371798 sequences. (Running on oeis4.)