OFFSET
0,2
LINKS
Robert Price, Table of n, a(n) for n = 0..999
Alan J. Macfarlane, Linear reversible second-order cellular automata and their first-order matrix equivalents, Journal of Physics A: Mathematical and General 37.45 (2004): 10791. See Fig. 3.
Robert Price, Diagram of the first 35 generations
EXAMPLE
The fourth generation (starting at 0) of RCA(2) is x.x.x where "x" is an ON cell and "." is OFF. Treating this as a binary number yields 10101 which is 21 in decimal notation. Thus a(4) = 21.
CROSSREFS
KEYWORD
nonn
AUTHOR
Robert Price, Mar 23 2017
STATUS
approved