cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A031771 Numbers k such that the least term in the periodic part of the continued fraction for sqrt(k) is 93.

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%I A031771 #19 Aug 08 2021 16:55:19
%S A031771 8651,34600,77847,138392,216235,311376,423815,553552,700587,864920,
%T A031771 1046551,1245480,1461707,1695232,1946055,2214176,2499595,2802312,
%U A031771 3122327,3459640,3814251,4186160,4575367,4981872,5405675,5846776,6305175,6780872
%N A031771 Numbers k such that the least term in the periodic part of the continued fraction for sqrt(k) is 93.
%C A031771 (93*m)^2+2*m for m >= 1 is a proper subsequence. It is a subsequence (see comment in A031749) and the term 75620603 is not of this form. - _Chai Wah Wu_, Jun 19 2016
%H A031771 Charles R Greathouse IV, <a href="/A031771/b031771.txt">Table of n, a(n) for n = 1..10000</a>
%t A031771 cf93Q[n_]:=Module[{s=Sqrt[n]},If[IntegerQ[s],1,Min[ContinuedFraction[s][[2]]]] == 93]; Select[Range[6781000],cf93Q] (* _Harvey P. Dale_, Aug 08 2021 *)
%K A031771 nonn
%O A031771 1,1
%A A031771 _David W. Wilson_