A267039 Decimal representation of the n-th iteration of the "Rule 89" elementary cellular automaton starting with a single ON (black) cell.

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.

Links

Robert Price, Table of n, a(n) for n = 0..1000

Eric Weisstein's World of Mathematics, Elementary Cellular Automaton

S. Wolfram, A New Kind of Science

Index entries for sequences related to cellular automata

Index to Elementary Cellular Automata

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

Adjacent sequences: A267036 A267037 A267038 * A267040 A267041 A267042

Keyword

nonn,easy

Author

Robert Price, Jan 09 2016

Status

approved