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A368300 Main diagonal of A365484: the n-th term in the trajectory of n under the A014682 map. 4
1, 1, 8, 2, 1, 2, 10, 1, 10, 1, 1, 1, 2, 2, 1, 2, 2, 2, 1, 2, 1, 1, 2, 2, 1, 2, 167, 1, 2, 1, 319, 1, 1, 2, 1, 1, 2, 1, 2, 1, 911, 1, 1, 2, 1, 2, 433, 1, 2, 1, 2, 1, 2, 325, 488, 2, 1, 2, 1, 2, 1, 40, 20, 2, 2, 1, 2, 1, 2, 1, 2, 2, 2, 2, 2, 2, 1, 2, 1, 2, 1, 2 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,3
LINKS
Alex V. Kontorovich and Jeffrey C. Lagarias, Stochastic Models for the 3x+1 and 5x+1 Problems, arXiv:0910.1944 [math.NT], 2009, and in Jeffrey C. Lagarias, ed., The Ultimate Challenge: The 3x+1 Problem, American Mathematical Society, 2010, pp. 131-188.
FORMULA
a(n) = A365484(n,n-1).
MATHEMATICA
A368300[n_]:=Nest[If[OddQ[#], (3#+1)/2, #/2]&, n, n-1]; Array[A368300, 100]
CROSSREFS
Sequence in context: A011008 A010149 A199796 * A021553 A157472 A346834
KEYWORD
nonn,easy
AUTHOR
Paolo Xausa, Dec 20 2023
STATUS
approved

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Last modified July 25 04:49 EDT 2024. Contains 374586 sequences. (Running on oeis4.)