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A267038
Binary representation of the n-th iteration of the "Rule 89" elementary cellular automaton starting with a single ON (black) cell.
1
1, 1, 11010, 110011, 101110100, 10100111, 1110000101000, 10111100001111, 10001001111010000, 11001010010011111, 110111000010010100000, 1101011110010000111111, 1011000100110011101000000, 111100101110101001111111, 11101001100010100001010000000
OFFSET
0,3
REFERENCES
S. Wolfram, A New Kind of Science, Wolfram Media, 2002; p. 55.
MATHEMATICA
rule=89; rows=20; ca=CellularAutomaton[rule, {{1}, 0}, rows-1, {All, All}]; (* Start with single black cell *) catri=Table[Take[ca[[k]], {rows-k+1, rows+k-1}], {k, 1, rows}]; (* Truncated list of each row *) Table[FromDigits[catri[[k]]], {k, 1, rows}] (* Binary Representation of Rows *)
CROSSREFS
Cf. A267037.
Sequence in context: A178586 A045152 A251873 * A267293 A300557 A181319
KEYWORD
nonn,easy
AUTHOR
Robert Price, Jan 09 2016
STATUS
approved