%I #6 Jun 18 2013 12:35:00
%S 17,115,2263,113,769,436099,6073,3735185,194197,230891,4575823,823027,
%T 21111517,12477095
%N Smallest positive integer in the primitive Collatz-like 3x-k cycle(s) with the conjectured record-breaking length A226686(n).
%Y k = A226687(n).
%Y Cf. A226672.
%K nonn
%O 1,1
%A _Geoffrey H. Morley_, Jun 16 2013