OFFSET
1,1
COMMENTS
a(n) = 625n^2 + n for n < 53, but a(53) = 1692652. - Charles R Greathouse IV, Aug 04 2017
LINKS
Charles R Greathouse IV, Table of n, a(n) for n = 1..10000
MATHEMATICA
lt50Q[n_]:=Module[{s=Sqrt[n]}, !IntegerQ[s]&&Min[ContinuedFraction[s][[2]]]==50]; Select[Range[641000], lt50Q] (* Harvey P. Dale, Mar 05 2013 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
STATUS
approved