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A267039
Decimal representation of the n-th iteration of the "Rule 89" elementary cellular automaton starting with a single ON (black) cell.
1
1, 1, 26, 51, 372, 167, 7208, 12047, 70608, 103583, 1803424, 3531839, 23226176, 15919743, 489767552, 695759103, 4439588096, 7728286207, 115362646528, 213392442367, 1628112843776, 651082770431, 31377048479744, 49253787832319, 314205864185856, 469379750076415
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]], 2], {k, 1, rows}] (* Decimal Representation of Rows *)
CROSSREFS
Cf. A267037.
Sequence in context: A158060 A169861 A249912 * A122999 A040650 A252994
KEYWORD
nonn,easy
AUTHOR
Robert Price, Jan 09 2016
STATUS
approved