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 A341194 a(n) is the least k such that A340873(k) = n. 3
 1, 2, 4, 3, 6, 12, 5, 10, 20, 13, 25, 9, 17, 34, 29, 57, 114, 41, 81, 49, 97, 33, 65, 129, 113, 225, 449, 169, 337, 201, 401, 801, 285, 545, 489, 925, 1833, 641, 1281, 769, 1537, 513, 1025, 2049, 1793, 3585, 1473, 2689, 1665, 3201, 6401, 2557, 4381, 3753, 7505 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,2 LINKS Table of n, a(n) for n=0..54. Rémy Sigrist, Illustration of initial terms Rémy Sigrist, C program for A341194 Index entries for sequences related to 3x+1 (or Collatz) problem FORMULA a(n) <= 2^n. a(n+1) <= 2*a(n). EXAMPLE See Illustration in Links section. PROG (C) See Links section. CROSSREFS Cf. A033491, A340873. Sequence in context: A258046 A334384 A225055 * A120947 A222600 A046793 Adjacent sequences: A341191 A341192 A341193 * A341195 A341196 A341197 KEYWORD nonn,base AUTHOR Rémy Sigrist, Feb 06 2021 STATUS approved

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Last modified June 8 18:04 EDT 2023. Contains 363165 sequences. (Running on oeis4.)