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 A031771 Numbers k such that the least term in the periodic part of the continued fraction for sqrt(k) is 93. 1
 8651, 34600, 77847, 138392, 216235, 311376, 423815, 553552, 700587, 864920, 1046551, 1245480, 1461707, 1695232, 1946055, 2214176, 2499595, 2802312, 3122327, 3459640, 3814251, 4186160, 4575367, 4981872, 5405675, 5846776, 6305175, 6780872 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS (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 LINKS Charles R Greathouse IV, Table of n, a(n) for n = 1..10000 MATHEMATICA 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 *) CROSSREFS Sequence in context: A075006 A361796 A031591 * A205732 A205913 A205905 Adjacent sequences: A031768 A031769 A031770 * A031772 A031773 A031774 KEYWORD nonn AUTHOR David W. Wilson STATUS approved

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Last modified September 9 04:58 EDT 2024. Contains 375759 sequences. (Running on oeis4.)