A365329 - OEIS

%I #12 Sep 03 2023 14:59:55

%S 11,15,17,5,21,13,7,4,2,1

%N Denominators of a FRACTRAN program that produces the iterates of the Collatz (or 3x+1) function.

%C See A365328 for comments and links.

%H <a href="/index/3#3x1">Index entries for sequences related to 3x+1 (or Collatz) problem</a>

%Y Cf. A014682, A365328 (numerators).

%K nonn,frac,fini,full

%O 1,1

%A _Paolo Xausa_, Sep 01 2023