A284234 Decimal representation of generation n in the reversible cellular automaton RCA(2) when started with a single ON cell at generation 0.

1, 3, 1, 15, 21, 3, 81, 255, 69, 819, 1089, 15, 4373, 13059, 4433, 65535, 83269, 12339, 345409, 986895, 263189, 3158019, 4210769, 255, 16842821, 50529075, 16843841, 252641295, 353702165, 50541315, 1364267345, 4294967295, 1162102085, 13693562931, 18341971265

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

Index entries for sequences related to cellular automata

Index to Elementary Cellular Automata

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

Cf. A283324, A284232.

Sequence in context: A095922 A263632 A284861 * A365338 A089278 A213245

Adjacent sequences: A284231 A284232 A284233 * A284235 A284236 A284237

Keyword

nonn

Author

Robert Price, Mar 23 2017

Status

approved