OFFSET
1,1
MATHEMATICA
cf74Q[n_]:=Module[{s=Sqrt[n], cf, len}, cf=If[IntegerQ[s], {2, 2}, ContinuedFraction[ s][[2]]]; len=Length[cf]; OddQ[len] && cf[[(len+1)/2]]==74]; Select[Range[1400000], cf74Q] (* Harvey P. Dale, Mar 15 2015 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
EXTENSIONS
Definition clarified and terms corrected and extended by Harvey P. Dale, Mar 15 2015
STATUS
approved