OFFSET
1,1
MATHEMATICA
cf76Q[n_]:=Module[{s=Sqrt[n], cf, len}, cf=If[IntegerQ[s], {1}, ContinuedFraction[ s][[2]]]; len=Length[cf]; EvenQ[len]&&cf[[len/2]]== 76]; Select[ Range[14000], cf76Q] (* Harvey P. Dale, Aug 27 2019 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
STATUS
approved