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%I #14 Nov 09 2016 12:17:04
%S 1,2,3,7,27,703,26623
%N In the '3x+1' problem, these values for the starting value set new records for both the number of steps and the highest point of trajectory before reaching 1.
%C Both the 3x+1 steps and the halving steps are counted.
%H José Eduardo Gaboardi de Carvalho, <a href="/A276665/a276665.txt">Java program</a>
%Y Intersection of A006877 and A006884.
%K nonn,more
%O 1,2
%A _José Eduardo Gaboardi de Carvalho_, Sep 12 2016