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A020372 Numbers k such that the continued fraction for sqrt(k) has period 33. 0
613, 937, 1033, 1114, 1693, 2785, 3274, 3373, 3461, 3593, 3802, 3946, 4397, 4589, 4709, 4813, 4817, 5242, 5281, 6997, 7345, 7837, 7937, 8266, 8713, 9818, 9901, 9941, 10229, 10330, 11729, 11789, 12077, 12130, 12517, 12842, 12970, 13165, 13322, 14138 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
LINKS
MATHEMATICA
cf33Q[n_]:=Module[{s=Sqrt[n]}, If[IntegerQ[s], 1, Length[ ContinuedFraction[ s][[2]]]]==33]; Select[Range[15000], cf33Q] (* Harvey P. Dale, Feb 02 2022 *)
CROSSREFS
Sequence in context: A100364 A142435 A090869 * A032657 A117503 A165771
KEYWORD
nonn
AUTHOR
STATUS
approved

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Last modified March 28 16:34 EDT 2024. Contains 371254 sequences. (Running on oeis4.)