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A132348
Lengths of the 3x+1 trajectories associated with the record values in A006884.
1
0, 1, 7, 16, 17, 111, 47, 97, 131, 170, 161, 201, 170, 184, 255, 307, 160, 334, 231, 247, 162, 183, 406, 441, 242, 439, 328, 367, 370, 427, 430, 399, 363, 322, 573, 400, 483, 576, 606, 483, 572, 438, 475, 592, 770, 726, 543, 836, 555, 770, 871, 796, 1109, 755
OFFSET
1,3
REFERENCES
R. B. Banks, Slicing Pizzas, Racing Turtles and Further Adventures in Applied Mathematics, Princeton Univ. Press, 1999. See p. 96.
LINKS
Brian Hayes, Computer Recreations: On the ups and downs of hailstone numbers, Scientific American, 250 (No. 1, 1984), pp. 10-16.
CROSSREFS
Sequence in context: A101681 A067776 A193688 * A177763 A101073 A026226
KEYWORD
nonn
AUTHOR
N. J. A. Sloane, Nov 10 2007
EXTENSIONS
Extended by T. D. Noe, Apr 27 2010
STATUS
approved