1,1

Table of n, a(n) for n=1..75.

With[{c=Sqrt[13]}, Table[Length[ContinuedFraction[c*n][[2]]], {n, 80}]] (* Harvey P. Dale, Aug 25 2014 *)

Sequence in context: A154010 A258750 A217706 * A004553 A074826 A018246

Adjacent sequences: A064861 A064862 A064863 * A064865 A064866 A064867

nonn

R. K. Guy, Oct 26, 2001

approved