%I #5 Feb 04 2015 15:27:01
%S 1,3,12,40,125,458,1790
%N A164982(2^n).
%C There are the numbers of ON cells in A164982 when we reach a triangle that is as full as it can be.
%H <a href="/index/Ce#cell">Index entries for sequences related to cellular automata</a>
%Y Cf. A164982.
%K nonn,more
%O 0,2
%A _N. J. A. Sloane_, Sep 21 2014