OFFSET
1,1
MATHEMATICA
cf47Q[n_]:=Module[{s=Sqrt[n]}, If[IntegerQ[s], 1, Count[ContinuedFraction[s][[2]], 1]]==47]; Select[Range[125000], cf47Q] (* Harvey P. Dale, Jan 06 2019 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
STATUS
approved