%I
%S 0,1,7,16,17,111,47,97,131,170,161,201,170,184,255,307,160,334,231,
%T 247,162,183,406,441,242,439,328,367,370,427,430,399,363,322,573,400,
%U 483,576,606,483,572,438,475,592,770,726,543,836,555,770,871,796,1109,755
%N Lengths of the 3x+1 trajectories associated with the record values in A006884.
%D R. B. Banks, Slicing Pizzas, Racing Turtles and Further Adventures in Applied Mathematics, Princeton Univ. Press, 1999. See p. 96.
%H Brian Hayes, <a href="https://www.jstor.org/stable/24969271">Computer Recreations: On the ups and downs of hailstone numbers</a>, Scientific American, 250 (No. 1, 1984), pp. 1016.
%K nonn
%O 1,3
%A _N. J. A. Sloane_, Nov 10 2007
%E Extended by _T. D. Noe_, Apr 27 2010
