A283324 - OEIS

%I #16 Jul 20 2018 22:28:52

%S 1,2,1,4,3,2,3,8,3,6,3,4,5,6,5,16,7,6,7,12,5,6,5,8,5,10,5,12,11,10,11,

%T 32,11,14,11,12,9,14,9,24,9,10,9,12,7,10,7,16,9,10,9,20,11,10,11,24,

%U 11,22,11,20,21,22,21,64,23,22,23,28,13,22,13,24,13

%N Number of ON cells at generation n in the reversible cellular automaton RCA(2) when started with a single ON cell at generation 0.

%H Robert Price, <a href="/A283324/b283324.txt">Table of n, a(n) for n = 0..999</a>

%H Alan J. Macfarlane, <a href="https://doi.org/10.1088/0305-4470/37/45/006">Linear reversible second-order cellular automata and their first-order matrix equivalents</a>, Journal of Physics A: Mathematical and General 37.45 (2004): 10791. See Fig. 3.

%H Robert Price, <a href="/A283324/a283324.bfile.txt">Diagram of the first 35 generations</a>

%H <a href="/index/Ce#cell">Index entries for sequences related to cellular automata</a>

%H <a href="https://oeis.org/wiki/Index_to_Elementary_Cellular_Automata">Index to Elementary Cellular Automata</a>

%Y Cf. A284232, A284234.

%K nonn

%O 0,2

%A _N. J. A. Sloane_, Mar 16 2017

%E More terms and b-file from _Robert Price_, Mar 23 2017