%I #8 Mar 30 2012 16:49:56
%S 12,8,11,15,10,13,17,23,31,41,55,73,97,129,86,115,153,102,68,91,121,
%T 161,215,287,383,511,681,454,605,807,538,717,478,637,849,566,755,1007,
%U 1343,1791,1194,796,1061,1415,1887,1258,1677,1118,1491,994,1325,1767,1178,1571
%N Iterate the map in A006368 starting at 12.
%H T. D. Noe, <a href="/A094332/b094332.txt">Table of n, a(n) for n=1..1001</a>
%H <a href="/index/3#3x1">Index entries for sequences related to 3x+1 (or Collatz) problem</a>
%Y See A028384, A006368, A094328, etc. for more information.
%K nonn
%O 1,1
%A _N. J. A. Sloane_, Jun 04 2004