OFFSET
1,1
MATHEMATICA
ct35Q[n_]:=Module[{s=Sqrt[n], cf, len, ctr}, If[IntegerQ[s], cf={1, 1}, cf= ContinuedFraction[ s][[2]]]; len=Length[cf]; ctr=Floor[len/2]; OddQ[len] && Take[cf, {ctr, ctr+1}]=={35, 35}]; Select[Range[280000], ct35Q] (* Harvey P. Dale, Apr 16 2013 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
EXTENSIONS
Corrected by Harvey P. Dale, Apr 16 2013
STATUS
approved