%I #11 Jul 02 2013 13:23:25
%S 1,23,139,311,3299,7153,185357
%N Integer k associated with the record-breaking number A226679(n) of primitive Collatz-like 3x-k cycles.
%C a(8)>315187.
%Y Cf. A226664.
%K nonn,more
%O 1,2
%A _Geoffrey H. Morley_, Jun 15 2013