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 A102284 Length of primitive cycle mentioned in A102280. 4
 2, 3, 4, 6, 4, 7, 11, 5, 16, 5, 23, 8, 6, 20, 11, 18, 38, 29, 12, 28, 6, 24, 30, 10, 12, 38, 44, 24, 100, 17, 48, 72, 18, 14, 21, 106, 52, 29, 27, 75, 44, 7, 37, 26, 36, 14, 136, 140, 10, 59, 72, 42, 28, 15, 89, 47, 24, 34, 24, 110, 80, 72, 26, 46, 66, 141, 15, 10, 80, 68, 88, 38, 51, 20, 47, 66, 16, 107, 25, 58 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 LINKS Geoffrey H. Morley, Table of n, a(n) for n = 1..10000 J. C. Lagarias, The set of rational cycles for the 3x+1 problem, Acta Arith. 56 (1990), 33-53. - See Table 3.1 on page 41. But there are errors - a(12)[k=35] and a(25)[k=73] are incorrect. CROSSREFS Cf. A102280, A226634. Sequence in context: A159633 A049044 A366577 * A273098 A328166 A266447 Adjacent sequences: A102281 A102282 A102283 * A102285 A102286 A102287 KEYWORD nonn AUTHOR N. J. A. Sloane, Feb 19 2005 EXTENSIONS a(12) and a(25) corrected and more terms added by Geoffrey H. Morley, Mar 14 2013 STATUS approved

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Last modified December 9 20:06 EST 2023. Contains 367693 sequences. (Running on oeis4.)