OFFSET
1,3
LINKS
Paolo Xausa, Table of n, a(n) for n = 1..10000
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) = A365991(n,n-1).
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Paolo Xausa, Dec 20 2023
STATUS
approved