%I #4 Jul 12 2019 14:21:23
%S 0,1,2,6,12,24,72,144,288,864,1728,5184,10368
%N Positions where A163894 obtains record values.
%C The ratios a(n+1)/a(n) from n>=1 onward start as 2,3,2,2,3,2,2,3,2,3,2,...
%Y See A163896, A309016.
%K nonn
%O 0,3
%A _Antti Karttunen_, Sep 19 2009