%I #6 May 19 2013 12:18:39
%S 1,3,49,55,288,339,694,101440,101494,102316,105098,105224,105976,
%T 112748,119613,175427,471801,489736,4439569,4444724,4451595,4574267,
%U 14066483,14129690,14143733,14189802,17127881,83092220,83123423
%N Record sum of numbers in trajectory of 3x+1 problem.
%H <a href="/index/3#3x1">Index entries for sequences related to 3x+1 (or Collatz) problem</a>
%K nonn
%O 0,2
%A _Jeff Burch_
%E More terms from Larry Reeves (larryr(AT)acm.org), Apr 27 2001