%I
%S 2,3,5,7,11,15,19,27,35,43
%N Number of steps required by R. L. Graham's generalized binary merging algorithm.
%H R. L. Graham, <a href="http://www.math.ucsd.edu/~ronspubs/71_07_sorting.pdf">On sorting by comparisons</a>, in Proceedings of the ATLAS Symposium, 1971, pp. 263269.
%H Frank K. Hwang and David N. Deutsch, <a href="http://dx.doi.org/10.1145/321738.321749">A class of merging algorithms</a>, Journal of the ACM (JACM) 20.1 (1973): 148159. See "g" page 157.
%Y Cf. A260795, A200310.
%K nonn,more
%O 3,1
%A _N. J. A. Sloane_, Aug 06 2015
