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A185666 Trajectory of 649 under the 3x+1 map of A014682. 0

%I #13 Mar 30 2012 16:52:00

%S 649,974,487,731,1097,1646,823,1235,1853,2780,1390,695,1043,1565,2348,

%T 1174,587,881,1322,661,992,496,248,124,62,31,47,71,107,161,242,121,

%U 182,91,137,206,103,155,233,350,175,263,395,593,890,445,668,334,167,251,377,566,283,425,638,319,479,719,1079,1619,2429,3644,1822,911,1367,2051,3077,4616,2308,1154,577,866,433,650,325,488,244,122,61,92,46,23,35,53,80,40,20,10,5,8,4,2,1,2,1,2,1,2,1,2,1

%N Trajectory of 649 under the 3x+1 map of A014682.

%C Used as an example by Lagarias, Fig. 1, page 7. The graph shows a typical "hailstone" pattern.

%D J. C. Lagarias, ed., The Ultimate Challenge: The 3x+1 Problem, Amer. Math. Soc., 2010.

%H <a href="/index/3#3x1">Index entries for sequences related to 3x+1 (or Collatz) problem</a>

%K nonn

%O 1,1

%A _N. J. A. Sloane_, Feb 08 2011

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Last modified April 30 12:47 EDT 2024. Contains 372134 sequences. (Running on oeis4.)