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A031696 Numbers k such that the least term in the periodic part of the continued fraction for sqrt(k) is 18. 1

%I #16 Jul 15 2021 01:44:39

%S 82,326,732,1300,2030,2922,3976,5192,6570,8110,9812,11676,13702,15890,

%T 18240,20752,23426,26262,29260,32420,32780,35742,39226,42872,46680,

%U 50650,54782,59076,63532,68150,72930,77872,82976,88242,93670,99260,105012

%N Numbers k such that the least term in the periodic part of the continued fraction for sqrt(k) is 18.

%H Charles R Greathouse IV, <a href="/A031696/b031696.txt">Table of n, a(n) for n = 1..10000</a>

%t Select[Range[110000],!IntegerQ[Sqrt[#]]&&Min[ContinuedFraction[Sqrt[#]][[2]]]==18&] (* _Vincenzo Librandi_, Jan 27 2012 *)

%K nonn

%O 1,1

%A _David W. Wilson_

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Last modified April 19 19:02 EDT 2024. Contains 371798 sequences. (Running on oeis4.)