OFFSET
1,1
COMMENTS
(91*m)^2+2*m for m >= 1 is a proper subsequence. It is a subsequence (see comment in A031749) and the term 69339112 is not of this form. - Chai Wah Wu, Jun 19 2016
LINKS
Charles R Greathouse IV, Table of n, a(n) for n = 1..10000
MATHEMATICA
cf91Q[n_]:=Module[{s=Sqrt[n]}, If[IntegerQ[s], 1, Min[ContinuedFraction[s][[2]]]]==91]; Select[Range[65*10^5], cf91Q] (* Harvey P. Dale, Oct 08 2016 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
STATUS
approved