OFFSET
1,1
LINKS
Harvey P. Dale, Table of n, a(n) for n = 1..1000
MATHEMATICA
cf34Q[n_]:=Module[{s=Sqrt[n], cf, len}, cf=If[IntegerQ[s], {1}, ContinuedFraction[ s][[2]]]; len=Length[cf]; EvenQ[len]&&cf[[(len)/2]] == 34]; Select[Range[5000], cf34Q] (* Harvey P. Dale, Nov 29 2019 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
STATUS
approved