%I #11 Mar 08 2020 22:47:21
%S 2,3,4,6,8,10,14,18,24,32,42,55,74,100,134,178,237,311,413,548,736,
%T 988,1314,1744,2309,3084,4130,5500,7336,9788
%N Normalized extreme values for "3x+1" trees of depth n.
%D D. Applegate and J. C. Lagarias, Distribution of 3x+1 trees, Experimental Mathematics 4 (1995),193-209.
%H J. C. Lagarias, <a href="http://www.cecm.sfu.ca/organics/papers/lagarias/paper/html/paper.html">The 3x+1 problem and its generalizations</a>, Amer. Math. Monthly, 92 (1985), 3-23.
%H <a href="/index/3#3x1">Index entries for sequences related to 3x+1 (or Collatz) problem</a>
%H Experimental Mathematics, <a href="http://www.emis.de/journals/EM/">Home Page</a>
%Y Cf. A045474-A045476.
%K nonn,more
%O 1,1
%A _N. J. A. Sloane_