%I

%S 3,6,11,22,42,84,168,336,672,1342,2684,5368,10736,21472,42944,85888,

%T 171776

%N Number at end of segment n of A117073.

%D N. J. A. Sloane and _Allan Wilks_, On sequences of Recaman type, paper in preparation, 2006.

%Y Equals A117074(n) + 2.

%K nonn

%O 1,1

%A _N. J. A. Sloane_, Apr 18 2006