%I #10 Oct 07 2013 11:29:28
%S 1,1,2,6,25,135,913,7499,73191,833597,10917343,162402263,2715430931,
%T 50576761471,1041203832858,23529845888598
%N Number of strictly increasing addition chains of length n.
%D M. Torelli, Increasing integer sequences and Goldbach's conjecture, preprint, 1996.
%H M. Torelli, <a href="http://dx.doi.org/10.1051/ita:2006017">Increasing integer sequences and Goldbach's conjecture</a>, RAIRO - Theoretical Informatics and Applications, vol.40, no.02 (April 2006), pp.107-121.
%H David Bruce Wilson, <a href="http://dbwilson.com">Home page</a>
%K nonn
%O 0,3
%A Mauro Torelli (torelli(AT)hermes.mc.dsi.unimi.it)
%E More terms from David Bruce Wilson