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.
%I A031769 #19 Jul 16 2021 02:38:11
%S A031769 8283,33128,74535,132504,207035,298128,405783,530000,670779,828120,
%T A031769 1002023,1192488,1399515,1623104,1863255,2119968,2393243,2683080,
%U A031769 2989479,3312440,3651963,4008048,4380695,4769904,5175675,5598008,6036903,6492360
%N A031769 Numbers k such that the least term in the periodic part of the continued fraction for sqrt(k) is 91.
%C A031769 (91*m)^2+2*m for m >= 1 is a proper subsequence. It is a subsequence (see comment in A031749) and the term 69339112 is not of this form. - _Chai Wah Wu_, Jun 19 2016
%H A031769 Charles R Greathouse IV, <a href="/A031769/b031769.txt">Table of n, a(n) for n = 1..10000</a>
%t A031769 cf91Q[n_]:=Module[{s=Sqrt[n]},If[IntegerQ[s],1,Min[ContinuedFraction[s][[2]]]]==91]; Select[Range[65*10^5],cf91Q] (* _Harvey P. Dale_, Oct 08 2016 *)
%K A031769 nonn
%O A031769 1,1
%A A031769 _David W. Wilson_