Invitation: celebrating 50 years of OEIS, 250000 sequences, and Sloane's 75th, there will be a conference at DIMACS, Rutgers, Oct 9-10 2014.
%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