OFFSET
1,1
MATHEMATICA
cf43Q[n_]:=Module[{s=Sqrt[n], cf, len}, cf=If[IntegerQ[s], {1}, ContinuedFraction[ s][[2]]]; len=Length[cf]; EvenQ[len]&&cf[[len/2]] == 43]; Select[Range[17000], cf43Q] (* Harvey P. Dale, Jan 08 2019 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
EXTENSIONS
Definition corrected by Harvey P. Dale, Feb 24 2023
STATUS
approved