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A020431
Numbers k such that the continued fraction for sqrt(k) has period 92.
0
2461, 2524, 3532, 3943, 4249, 4681, 4783, 5221, 5479, 5596, 6031, 6799, 7132, 7281, 7294, 7929, 8599, 8997, 9136, 9573, 9679, 9838, 9844, 10165, 11104, 12014, 12214, 12631, 12734, 13006, 13228, 13327, 13504, 13679, 13744, 14188, 15205, 15571, 16003
OFFSET
1,1
MATHEMATICA
cfp92Q[n_]:=Module[{sqrt=Sqrt[n]}, !IntegerQ[sqrt]&&Length[ ContinuedFraction[ sqrt][[2]]]==92]; Select[Range[16100], cfp92Q] (* Harvey P. Dale, Oct 12 2012 *)
CROSSREFS
Sequence in context: A043814 A043823 A043468 * A236707 A304554 A152497
KEYWORD
nonn
STATUS
approved